Spirax Sarco Bronze Safety Valve, SV615 SV418 SV5601 SV5708 SV69L Spring Full Lift Screwed Bronze Safety Valve for Boiler Steam Air Tank

Spirax Sarco Bronze Safety Valve** is original UK Spirax Sarco spring full lift safety valve. **Spirax Sarco Bronze Safety Valve** adopts bronze body, stainless steel nozzle, BSP/NPT female thread connection, size DN15~DN50. Some versions fitted with manual lifting test lever, open / closed bonnet optional. SV615 general purpose for steam, air, inert gas and non-hazardous liquid; SV418 meets ASME Section VIII; SV5601/SV5708 for boiler steam service; SV69L bronze liquid relief valve. Seal options: metal seat, NBR/EPDM/Viton soft seal (soft seal not for steam). **Spirax Sarco Bronze Safety Valve** suitable for saturated steam, compressed air, inert industrial gas and non-hazardous liquid, set pressure range 0.3~18bar, metal seat max temperature up to 230℃. When pressure inside boiler, pressure vessel, air compressor tank or heat exchanger exceeds set pressure, Spirax Sarco bronze safety valve fully opens rapidly for pressure relief and auto closes after pressure drop to protect pressure equipment. **Spirax Sarco Bronze Safety Valve** widely used for steam boiler, heating system, air receiver, downstream of pressure reducing station, food & beverage clean steam system. Complies with EN ISO4126, API527, CE, ASME, NB certified, material 3.1 certificate available, custom set pressure.