Gas safety valve 438

NPTDINfor the chemical industry

Safety valve with O-ring disc for increased tightness. Applications & Industries Energy Technical gases LNG & LPG Shipbuilding Other industries The optimal solution for: Compressors and pumps Technical gases and CO2 plants Thermal expansion Temperature (according to ASME) - -45 to 150 °C | -49 to 302 °F Temperature (according to CE) - -45 to 150 °C | -49 to 302 °F Capacity 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 10 mm | 0.394 in Narrowest flow area A₀ 78.5 mm² | 0.122 in² Seat gasket O-ring