Pilote-operated safety valve 811

Solutions for high plant efficiency Pilot operated safety valves -Highest blow-off capacity of all series -Tightness right up to set pressure -Operating pressures up to 96% of the set pressure -Back pressures up to 70% of the set pressure -Backflow preventer integrated as a standard component -Integrated Piping prevents damage and freezing -Supplementary Loading System Equipment that enables the following safety valve characteristics: -Tightness right up to set pressure -Operating pressures up to 97% of the set pressure -Low loss of medium due to short opening times -Function test and valve adjustment possible during operation -Suitable for all media temperatures Technical specifications Type 811 Orifice API Standard as well as Extra Orifice: 1 D 2 - 8 T 10 / 1 G 2 - 8 T+ 10 Actual Orifice Diameter d₀ 11 - 190 mm | 0.433 - 7.087 in Actual Orifice Area A₀ 95 - 25446.9 mm² | 0.147 - 39.443 in² Flange Rating Inlet PN 10 - PN 250 | CL150 - CL1500 Temperature (in accordance with DIN EN) -45 to 200 °C (Special: -162 to 300 °C) | -49 to 392 °F (Special: -259.6 to 572 °F) Temperatur (nach ASME) -45 to 200 °C (Special: -162 to 300 °C) | -49 to 392 °F (Special: -259.6 to 572 °F) Body Material 1.0619, 1.4408 (Special: Hi Alloy) | SA 216 WCB, SA 351 CF8M, SA 352 LCB (Special: Hi Alloy) Valve Connection Flange acc. to DIN EN 1092 or acc. to ASME B 16.5 or acc. to JIS 2220 Load Type Controlled by process medium Approvals ASME Section XIII certified for Section VIII Div. 1 service, PED/ DIN EN ISO 4126-4, PED/ AD 2000-Merkblatt A2, AQSIQ, EAC, TSSA Classification societies LR, RINA, DNV GL, BV