FE 121

Product features

  • Single-stage cylinder pressure regulator
  • Simple and safe gas withdrawal from gas cylinders, for corrosive gases and gas mixtures up to quality 6.0 up to 25 bar vapour pressure
  • For corrosive gases and gas mixtures with >1% corrosive components we recommend the use of a purging device (FE 121 SP) 
  • New laboratory-style design
  • Ergonomically designed
  • Filter at the regulator inlet
  • High control accuracy due to large diaphragm
  • Integrated relief valve
  • Available with purge device FE 121 SP
  • Simple outlet pressure limitation by handwheel
  • Powder-coated bonnet
Technical data
Inlet pressure P1 max. 25 bar
Outlet pressure P2 max. 0,1 - 1,5 bar
Flow rate Q max. 9 m3/h
Valve seat:
Inlet gasket:

stainless steel 316L
Hastelloy C276
Cylinder connector acc. to international standards and gas type
Outlet connector 1/4”-18 NPT female
Relief valve connector  1/8”-27 NPT female
Leak rate 1 x 10-8 mbar l/s He
Weight 2,1 kg