Gas safety valve 437

NPTDINfor the chemical industry

Safety valves for protection of small capacities. Applications & Industries Energy Technical gases LNG & LPG Shipbuilding Other industries The optimal solution for: Compressors and pumps Technical gases and CO2 plants LPG/LNG storage tanks, transporters (ship, truck, etc.) Pressure vessels and piping systems carrying vapors, gases and fluids Refrigeration and oxygen applications Thermal expansion Temperature (according to ASME) - -270 to 280 °C | -454 to 536 °F Temperature (according to CE) - -268 to 280 °C | -450 to 536 °F Capacity B+ to C Connections ASME B16.5 NPT: NPS 1/2 to NPS 1 | NPS 1/2 to NPS 1 Flange class Inlet DIN EN 1092 PN 40 - PN 400 Flange class Inlet ASME B16.5 Class 150 - Class 2500 Body material 1.4104, 1.4404 | SA 479 430, SA 479 316L Narrowest flow diameter d₀ 6 - 10 mm | 0.236 - 0.394 in Narrowest flow area A₀ 28.3 - 78.5 mm² | 0.044 - 0.122 in² Seat gasket Metallic