Pilot operated valves
Inlet sizes: Up to 12"
Orifice sizes: D to V inclusive
Set pressure range: 0.2 to 520 bar g
Temperature range: -180 to 320 °C
Overpressure range: 1 to 5%
Materials: Carbon or stainless Steel or special alloys
Full nozzle design
Fixed or adjustable blowdown (2% min.)
Standard face to centre dimensions conforming to API std. 526.
Accessories: internal or remote pressure pick-up, back-flow preventer, filter, field test arrangement, manual opening device, valve extension for extreme temperatures service.