Stainless steel safety valve 431 PN 160

flangeproportionalthermal

Safety valves for low pressure dynamics -Low media loss when opening Ideal for thermal expansion -Wide range of options available -Excellent price-performance ratio -LESER Nanotightness: Exceeds the tightness requirements of API 527 by 50% Technical specifications Type 431, 433 PN 160 Actual Orifice Diameter d₀ 12 mm | 0.47 in Actual Orifice Area A₀ 113 mm² | 0.175 in² Flange Rating Inlet PN 63 - PN 160 | CL300 - CL600 Temperature (in accordance with DIN EN) -270 to 450 °C | -454 to 842 °F Body Material 1.0619, 1.4408 Valve Connection Flange acc. to DIN EN 1092 or acc. to ASME B16.5 Bellows Material (optional) Stainless steel and elastomer Load Type Spring loaded Approvals PED/ DIN EN ISO 4126-1, PED/ AD 2000-Merkblatt A2, AQSIQ, EAC Classification societies LR, RINA, DNV GL, BV, ABS Specials Units converted; No approvals acc. to ASME