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We are dedicated to supplying the highest quality valves. Discover our solutions
Safety Valves
Pilot Operated

Pilot Operated

Here you can learn about how pilot operated safety valves work, their key advantages, technical specifications, and typical industry uses - and browse our full range of products.

How do pilot operated valves work? 
A pilot operated safety valve uses a small, pressure‑sensing pilot valve to control the opening and closing of the main valve. This allows precise set‑pressure control, tight sealing, and reliable over‑pressure protection in high‑pressure systems.
Advantages of pilot operated valves...
• Accurate set‑pressure control
• Tight seal at normal pressure
• Suitable for very high pressures
• Minimises leakage and blowdown
Technical Parameters:
Pressure Ratings
PN10, PN16, PN25, PN40, PN63, PN100, CL150, CL300, CL600, CL900, CL1500, CL2500
Temperature Range
Typically –29 °C to +550 °C (material dependent)
Size Range
DN25–DN600 (1″–24″)
Materials
Carbon steel, stainless steel, chrome‑moly alloys, nickel alloys
Industry Application:
Nuclear
EFW
Oil & Gas
Power
Media Type:
Water
Gas
Steam
Oil
Chemicals

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