Features
Screwed, spring loaded, direct acting, full nozzle safety relief valves.
Media : gas, steam and liquid.
Overpressure : gas, steam and liquid 10%.
Blowdown : gas and steam 5 to 7%.
Orifices : from “b” to “f”.
Set pressure range : from 0.8 bar to 400 bar (for gas), up to 1500 bar for liquid.
Temperature range : from –200 °C to 400 °C.
Materials : carbon steel, alloy steel, hastelloy, monel and other materials upon request.
Options : bellows, nozzle, lifting lever, test gag, resilient or hardened seat.
Sizes/Pressure Classes
Size inlet & outlet : from NPS 1/2 to NPS 1 & from NPS 1 to NPS 1 1/2.
Rating : up to API 6000 or ASME 2500.
Design Codes & Product Standards
EN ISO 4126-1, EN 764-7, EN 12516, EN 1092, API 520, API 521, API 527, ASME B16.34, ASME B16.5, ASME Sect.VIII.