H+ ISO 4126 type 100/200

Flanged process safety valves

The type 100 is a flanged safety valve used, generally, in process or energy industries. The 100 type is a safety valve with spring and the 200 type is a safety valve with a counterweight. This type gives you excellent performances to evacuate important flows in a large range of pressure, from 0,25 bar to 40 bars depending of the model (material) and temperature.


General characteristics:

  • Material: Carbon Steel, Stainless steel, Cast Iron (Spheroidal Graphite)
  • Inlet: ND20 to ND150
  • Inlet Pressure: PN16, PN40, Class 150 and Class 300 according to the material
  • Plug: Tight/ No tight/ with or without lever
  • Seat: metal/metal, stellated seat, Hastelloy® C2000 seat, soft seat (by O-ring EPDM, FPM, FFKM depending of fluid and temperature or by PTFE disc)
  • Flanges: raised face class 150/300 PN16/40, male female facing, tongue groove facing, male female facing, tongue groove facing
  • Nozzle: seat or full nozzle in Stainless Steel
  • Bellow: in case of back-pressure