LESER Dual Outlet pilot operated pressure relief valve Type 8212

High EfficiencyType 814

The pilot operated safety valves of the Type 814 - Pop Action - open abruptly and compensate reaction forces. Technical data

  • Pilot-Operated Safety Valves with two opposite outlets - pop action
  • ASME_UV_USA_schwarz

Applications & Industries

  • Oil & Gas
  • Petrochemical
  • Technical gas

The optimal solution for:

  • the protection of gases
  • operation at up to 96% from set pressure
  • Large reaction forces
ENAC (002)

Technical features Type 814

Set pressure(according to CE) 2.5 - 102 bar | 36 - 1,479 psig
Set pressure (according to ASME) 2.5 - 102 bar | 36 - 1,479 psig
Temperature(according to CE) -45 to 200 °C (individual case: -162 to 300 °C)
Temperature(according to ASME) -49 to 392 °F (individual case: -259.6 to 572 °F)
Capacity Orifice P+ - T+
Connections DIN EN 1092 DN 100 - DN 200
Connections ASME B16.5 NPS 4 to NPS 8
Flange class Inlet DIN EN 1092 PN 10 - PN 100
Flange class Inlet ASME B16.5 Class 150 - Class 600
Body material

1.0619, 1.4408 | SA 216 WCB, SA 351 CF8M, SA 352 LCB, SA 351 CF3M

Narrowest flow diameter d₀ 95 - 180 mm | 3.74 - 7.087 in
Narrowest flow area A₀ 7088 - 25446.9 mm² | 10.986 - 39.443 in²
Seat gasket Soft sealing, Metallic, Sealing plate


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Sizing and selection

Sizing and selection of your LESER Safety valve with VALVESTAR® - The Sizing Program

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