Fuel, Gas, and Oil Valves
Fuel, Gas, and Oil Valves are specialized devices designed to control fuel, gas, and oil flow and regulation within various industrial applications. These valves ensure safe and efficient operation by managing the delivery and distribution of these volatile fluids. With robust construction and materials resistant to corrosion and high temperatures, they provide reliable performance in demanding environments. Fuel, Gas, and Oil Valves are crucial components in industries such as oil and gas, automotive, power generation, and heating systems, where precise control and safety are paramount.
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The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$565.18$617.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$219.84$240.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$323.36$353.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. Specifications include a 2 way - 2/2 normally closed valve function.
$247.33$270.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. Configured with a 2 way - 2/2 normally closed valve function.
$280.30$306.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$323.36$353.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. Built for a 2 way - 2/2 normally closed valve function.
$350.84$383.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$641.21$700.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$532.21$581.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$554.19$605.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$635.72$694.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$663.20$724.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$953.58$1,041.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$411.29$449.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$433.28$473.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$789.61$862.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. This valve comes with a 2 way - 2/2 normally closed valve function.
$543.20$593.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$918.77$1,003.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. Designed with a 2 way - 2/2 normally closed valve function.
$899.53$982.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$690.68$754.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$712.66$778.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$1,047.01$1,143.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$1,069.00$1,167.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$740.14$808.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$565.18$617.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$219.84$240.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$323.36$353.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. Specifications include a 2 way - 2/2 normally closed valve function.
$247.33$270.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. Configured with a 2 way - 2/2 normally closed valve function.
$280.30$306.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$323.36$353.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. Built for a 2 way - 2/2 normally closed valve function.
$350.84$383.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$641.21$700.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$532.21$581.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$554.19$605.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$635.72$694.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$663.20$724.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$953.58$1,041.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$411.29$449.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$433.28$473.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$789.61$862.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. This valve comes with a 2 way - 2/2 normally closed valve function.
$543.20$593.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$918.77$1,003.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments. Designed with a 2 way - 2/2 normally closed valve function.
$899.53$982.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$690.68$754.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$712.66$778.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$1,047.01$1,143.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$1,069.00$1,167.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.
$740.14$808.00
Should ship between 18 Nov and 02 Dec
Subject to factory lead times
FAQS
- Fuel, gas, and oil valves are specialized valves designed to safely and reliably control the flow of combustible and flammable fluids including natural gas, propane, fuel oil, diesel, gasoline, hydraulic oil, and lubricating oil. These valves are engineered with materials, seals, and safety features appropriate for the fire and explosion hazards associated with handling hydrocarbon-based fluids. They are used across a wide range of industries and applications: industrial boiler and burner systems (controlling fuel gas and fuel oil flow to combustion equipment), power generation plants (fuel supply systems for gas turbines, boilers, and diesel generators), manufacturing facilities (fuel supply for industrial ovens, furnaces, dryers, and process heaters), building HVAC systems (gas supply for commercial boilers and water heaters), vehicle fueling stations, oil refineries, and chemical plants. These valves must meet strict safety standards and codes depending on the specific fuel and application, including UL, FM, CSA, and NFPA standards for fuel gas equipment.
- Several valve types are used in fuel gas systems depending on the application, line size, and whether the valve provides on/off shutoff or modulating control. Solenoid valves (like the ASCO 262-S and 210/8210 Series available through Centro) provide electrically actuated on/off shutoff and are commonly used as safety shutoff valves on burner fuel trains, pilot gas lines, and small fuel supply systems. They are available in brass, lead-free brass, and stainless steel with various seal materials rated for fuel gas service. Ball valves provide manual or actuated on/off isolation with tight shutoff and low pressure drop — they are widely used as main fuel supply isolation valves and as line isolation valves throughout gas distribution systems. Butterfly valves are used in larger fuel gas lines for their compact design and lower cost in large pipe sizes. Plug valves are used in gas service where their robust design handles the dirty or particulate conditions sometimes found in natural gas systems. Gas pressure regulators reduce and maintain a constant downstream pressure regardless of changes in upstream pressure or flow demand. Safety shutoff valves with proof-of-closure switches are required on many burner fuel trains to verify that the valve is fully closed before allowing a burner ignition sequence to proceed.
- Safety is the primary concern when selecting valves for fuel, gas, and oil service because any leak or failure can create fire, explosion, or environmental hazards. Fire-safe construction means the valve can maintain a reasonable level of sealing even if the primary soft seals (PTFE, elastomers) are destroyed by fire — typically achieved by a metal-to-metal backup seal between the ball/plug and the body. Proof-of-closure switches are limit switches or proximity sensors that verify the valve has reached the fully closed position before a burner controller will allow fuel flow to resume — required by NFPA and insurance codes on many burner fuel trains. Bubble-tight shutoff ensures zero leakage across the valve seat at rated pressure, preventing fuel from passing through a closed valve to an idle burner or downstream equipment. Fail-safe actuation (typically spring-return to closed) ensures the valve automatically closes if air supply, electrical power, or the control signal is lost, shutting off fuel flow in an emergency. Appropriate material selection ensures compatibility with the specific fuel — including resistance to hydrogen sulfide (H2S) in sour gas service, compatibility with fuel additives, and fire resistance of all materials in the valve assembly.
- A fuel train (also called a fuel gas train or burner management system piping assembly) is the assembly of valves, regulators, switches, and other components installed in the fuel supply piping between the main fuel supply and a burner, boiler, furnace, or other combustion equipment. Its purpose is to safely control and monitor fuel flow during startup, operation, and shutdown, and to reliably shut off fuel in an emergency. A typical fuel train includes a main manual shutoff valve (for hand isolation of the entire train), a gas pressure regulator (to reduce and control the fuel pressure to the burner), safety shutoff valves (typically two solenoid-operated valves in series for redundancy, with proof-of-closure switches on each), a vent valve between the two safety shutoff valves (to vent any fuel that leaks past the upstream valve, proving leak tightness before ignition), pressure switches (to verify adequate fuel supply pressure and detect overpressure or underpressure conditions), a test connection for leak testing, and a manual butterfly or ball valve at the burner for flow adjustment. The specific components and arrangement are defined by codes including NFPA 85, NFPA 86, and FM/UL requirements for the specific type of combustion equipment.
- Solenoid valves in fuel gas and oil applications use an electromagnetic coil to open or close a valve element, providing electrically controlled on/off shutoff of fuel flow. When the coil is energized (power applied), it creates a magnetic field that lifts a plunger or armature, opening the valve and allowing fuel to flow. When the coil is de-energized (power removed), a spring pushes the plunger back to close the valve and stop fuel flow. This normally closed fail-safe design ensures that fuel flow automatically stops if electrical power is lost or if the burner management system de-energizes the valve for any safety reason. Direct-acting solenoid valves use the electromagnetic force directly on the main valve element and are used for smaller pipe sizes and lower flow rates. Pilot-operated solenoid valves use the solenoid to open a small pilot orifice, which allows line pressure to actuate the main valve element — this design handles larger pipe sizes and higher flow rates while keeping the solenoid coil small and economical. The ASCO Series 210/8210 and 262-S solenoid valves available through Centro are proven, high-flow general service designs used extensively in fuel gas and oil applications with brass, lead-free brass, and stainless steel construction options.