Valves - Durco Flowserve
Industrial valves control, regulate, isolate, and direct the flow of liquids, gases, steam, slurries, and other process media. From simple shutoff applications to precise flow control and pressure protection, selec...
Sleeveline plug valves are highly reliable for precise fluid control in various industrial applications. These valves feature a cylindrical plug with a sleeve that rotates within the valve body, allowing for efficient flow regulation and tight shut-off. The sleeve provides excellent sealing properties, making sleeveline plug valves suitable for handling abrasive or viscous fluids, slurries, and corrosive chemicals. Their simple yet robust design minimizes maintenance requirements and ensures long-term durability, making them a cost-effective solution for critical fluid handling processes. Sleeveline plug valves are commonly used in industries such as oil and gas, chemical processing, and wastewater treatment, where dependable performance and resistance to wear are essential. With their versatile applications and reliable operation, sleeveline plug valves are vital in ensuring efficient and safe fluid control in various industrial settings.
High-performance butterfly valves are for managing fluid flow in tough industrial settings. They provide excellent sealing, durability, and easy operation, making them perfect for high-pressure and high-temperature settings. Widely used in industries like oil and gas, chemical processing, and power generation, these valves ensure efficient and reliable flow control. Their sturdy construction and advanced design, like double or triple offset configurations, offer top-notch performance and longevity. Check out our selection of high-performance butterfly valves below or contact us to speak to a product expert to help you with your selection.
PFA (perfluoroalkoxy) lined plug valves are indispensable assets in fluid handling systems, renowned for their exceptional chemical resistance and reliability. These valves feature a PFA lining that shields against corrosion and withstands aggressive chemicals, acids, and bases, ensuring longevity and efficiency in diverse industrial environments. With a plug design that rotates within the valve body, PFA-lined plug valves offer precise flow control and secure shut-off, even in demanding applications. Their robust construction and resistance to abrasion make them suitable for handling abrasive slurries, viscous fluids, and corrosive media. PFA-lined plug valves find extensive use in industries such as chemical processing, pharmaceuticals, and water treatment, where stringent quality standards and reliability are paramount. With their ability to deliver dependable performance and maintain product integrity, PFA-lined plug valves are trusted components for critical fluid handling processes.
PTFE (polytetrafluoroethylene) lined butterfly valves offer chemical resistance and reliability in fluid handling systems. Featuring a PTFE lining, these valves provide superior protection against corrosion and are compatible with a wide range of aggressive chemicals and high-purity fluids. The butterfly valve design ensures smooth flow control and tight shut-off, making them well-suited for applications where precise regulation of flow rates is essential. PTFE-lined butterfly valves find extensive use in industries such as chemical processing, water treatment, and pharmaceuticals, where maintaining product purity and preventing contamination is critical. Their durable construction and ability to withstand harsh operating conditions make them a trusted choice for ensuring efficient fluid handling and optimal performance in demanding environments.
$1,980.64$2,536.00
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$2,691.35$3,446.00
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$1,868.17$2,392.00
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$3,779.30$4,839.00
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$3,482.51$4,459.00
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$2,928.00$3,749.00
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$1,380.82$1,768.00
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$1,731.49$2,217.00
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$1,345.68$1,723.00
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$990.32$1,268.00
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$1,414.41$1,811.00
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$1,715.87$2,197.00
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$1,232.43$1,578.00
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$1,040.30$1,332.00
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$1,037.96$1,329.00
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$1,294.91$1,658.00
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$1,894.73$2,426.00
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$790.38$1,012.00
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$753.67$965.00
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$902.06$1,155.00
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$1,861.14$2,383.00
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$1,089.51$1,395.00
Subject to factory lead times
$2,756.96$3,530.00
Subject to factory lead times
$1,215.25$1,556.00
Subject to factory lead times
$1,980.64$2,536.00
Subject to factory lead times
$2,691.35$3,446.00
Subject to factory lead times
$1,868.17$2,392.00
Subject to factory lead times
$3,779.30$4,839.00
Subject to factory lead times
$3,482.51$4,459.00
Subject to factory lead times
$2,928.00$3,749.00
Subject to factory lead times
$1,380.82$1,768.00
Subject to factory lead times
$1,731.49$2,217.00
Subject to factory lead times
$1,345.68$1,723.00
Subject to factory lead times
$990.32$1,268.00
Subject to factory lead times
$1,414.41$1,811.00
Subject to factory lead times
$1,715.87$2,197.00
Subject to factory lead times
$1,232.43$1,578.00
Subject to factory lead times
$1,040.30$1,332.00
Subject to factory lead times
$1,037.96$1,329.00
Subject to factory lead times
$1,294.91$1,658.00
Subject to factory lead times
$1,894.73$2,426.00
Subject to factory lead times
$790.38$1,012.00
Subject to factory lead times
$753.67$965.00
Subject to factory lead times
$902.06$1,155.00
Subject to factory lead times
$1,861.14$2,383.00
Subject to factory lead times
$1,089.51$1,395.00
Subject to factory lead times
$2,756.96$3,530.00
Subject to factory lead times
$1,215.25$1,556.00
Subject to factory lead times
- Use a ball valve for simple on/off shutoff, a control valve when you need to regulate flow rate or pressure, and a check valve to prevent backflow. The choice comes down to whether you need to stop flow, control it, or protect against reverse flow.
- Cv is the flow coefficient — how much water a valve passes at a given pressure drop. Full port means the valve opening matches the pipe diameter for unrestricted flow; regular port is slightly smaller. End connections describe how the valve connects to pipe (NPT threads, flanges, etc.). Body material determines compatibility with your media and environment — brass, stainless, and PVC are the most common.
- Start with your required Cv based on flow rate and pressure drop. Then confirm the valve's pressure and temperature ratings exceed your system's maximums. Undersizing causes excessive pressure drop; oversizing reduces control precision. Always size for your actual operating conditions, not system maximums.
- Fail-open means the valve opens if power or signal is lost; fail-closed means it closes — critical for safety applications. NPT is a threaded connection best for smaller pipes and lower pressures. Flanged connections bolt between pipe flanges and are preferred for larger pipes, high pressure, or applications requiring frequent removal.
- Ball valves use a rotating ball for fast quarter-turn shutoff and are ideal for frequent operation. Gate valves use a rising gate for full open/close and are better for infrequent operation where minimal flow restriction matters. Ball valves are generally more reliable, longer lasting, and easier to operate.
- Because no single valve works well in every application. Pressure, temperature, media type, flow control needs, pipe size, and safety requirements all vary dramatically across industries. Each valve type is engineered to solve a specific set of those problems efficiently.
- Ball valves offer tighter shutoff and are better for smaller lines or where zero leakage matters. Butterfly valves are lighter, more compact, and more cost-effective for larger diameter pipes. For high-volume water flow in large lines, butterfly valves are typically the practical choice.
- Look for stainless steel or carbon steel body construction, graphite or metal seat materials, and valves rated for your specific pressure-temperature combination. Globe valves and ball valves with metal seats are commonly used in high-temp applications. Always verify the valve's published P-T rating before specifying.
- Match the valve type to your application (shutoff, control, or check). Verify body material compatibility with your media. Confirm pressure and temperature ratings exceed operating conditions. Consider end connection type, actuation method, and maintenance requirements. When in doubt, over-specify on pressure rating rather than under.