Pressure Control Accessories

Instrument valves provide precise control, isolation, and regulation of pressure and flow in instrumentation and process measurement systems across industries like oil and gas, chemical processing, power generation, and pharmaceuticals. Designed for high-pressure, high-purity, or corrosive environments, these valves—available in needle, ball, manifold, and block-and-bleed configurations, ensures leak-tight performance, easy maintenance, and reliable integration with gauges, transmitters, and analyzers. Instrument valves are essential for protecting equipment, maintaining process accuracy, and enabling safe system operation.

A syphon is a simple yet effective tube-shaped device that consists of two legs bent in a U-shape. The purpose of the syphon is to transfer liquid from a higher container or location to a lower one without the need for any external pumping or suction. One leg of the syphon is inserted into the higher container or source of liquid, while the other leg is placed into the lower container. The liquid in the higher container initially fills the syphon's legs, creating a continuous flow due to the difference in pressure between the two ends. Gravity then causes the liquid to flow through the syphon, moving from the higher to the lower container. Syphons are commonly used in various applications, including laboratory experiments, aquariums, irrigation systems, and fluid transfers in industrial processes. They provide a simple and efficient means of transferring liquids over a vertical or horizontal distance without the need for complex pumps or mechanical devices.

Gauge cock valves, also known as gauge valves or isolation valves, are installed between the pressure source and the gauge. They allow for easy isolation and removing pressure gauges without interrupting the process flow. The gauge can be safely removed or replaced by closing the valve for calibration or maintenance.

Pressure snubbers are small devices placed in-line with the pressure gauge to dampen sudden pressure fluctuations or pulsations. They help protect the gauge from damage caused by rapid pressure changes, thereby extending its lifespan and ensuring accurate and stable readings. Siphons, gauge cock valves, and pressure snubbers play crucial roles in pressure measurement systems by improving safety, accuracy, and the longevity of pressure gauges in various industrial applications.

Manifold valves are used in fluid handling systems to control the flow of liquids. They consist of multiple valve outlets connected to a single inlet, allowing for precise regulation of flow rates, direction, and isolation of different fluid paths. Browse our selection below or contact us to speak to a product expert.

Enhance the performance and reliability of your instrumentation systems with our premium range of instrument valve accessories. Whether you need block and bleed gauge valve accessories for safe isolation during maintenance or gauge adaptors for seamless connections, we've got you covered. Our high-quality bleed tees and bleed plug valves provide efficient pressure release and fluid drainage, keeping your operations running smoothly. Improve your system's safety and efficiency with these essential components designed for durability and peak performance in even the most demanding industrial environments.

PT Plugs are self-sealing diagnostic access fittings designed to provide safe, convenient pressure and temperature measurement within pressurized systems. As part of the Pressure Control Accessories category, PT Plugs enable technicians to monitor system performance without shutdown, fluid loss, or permanent gauge installation.

Installed directly into piping, pumps, or equipment housings, PT Plugs feature a durable metal body and a resilient sealing core that automatically reseals after probe removal. This design ensures leak-resistant operation while allowing repeated access for maintenance, system balancing, and troubleshooting.