SPECIAL GAS + EQUIPMENT CONSULTANTS
CRR Ltd
HP-FR1

HP-FR1

Precision Cylinder Pressure Regulator

Dual Stage, in stainless steel or brass/ aluminium for mbar applications and low flow

The precision HP-FR 1 is a compact dual stage cylinder pressure regulator made of stainless steel or brass/aluminium for operating pressures from 50 mbar up to 7 bar.

The dual stage construction with integrated balanced poppet guarentees absolutely stable working pressures even if inlet pressure fluctuate significantly

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  • Technical Details
  • Application Area
  • Order Details
Body: stainless steel or brass / aluminium
Seat: PCTFE / Viton / NBR
Gaskets: Viton / NBR
Diaphragm: stainless steel / Viton / NBR
Max. inlet pressure: 200 bar
Outlet pressure ranges: 50 mbar - 7 bar
Operating temp.: -20°C to +70°C
Dimensions (wxhxd): 124 x 94 x 145 mm
Weight: 850 g
Connections: thread inlet:
DIN 477-1 (others on request)

thread outlet:
NPT 1/8“ f
  • Instrumentation
  • mbar applications
  • Gasanalysis
  • Gaschromatography
  • Process engineering
  • Metallurgy
  • Science and research
  • Lamp production

To identify the correct order code for your HP-FR1

Start with "HP-FR1-", then add the appropriate number options from columns A, B, C & D  in the table below followed by the gas to be used.

HP-FR1-2-3-2-1-Argon specifies a HP-FR1 model in stainless steel with a stainless steel diaphragm, Viton rubber gasket & up to 170 mbar outlet pressure, for use with Argon gas.

A B
C D
Material Diaphragm
Gasket Outlet pressure ranges
1 = brass / aluminium 1 = NBR 1 = NBR 1 = up to 170 mbar
2 = stainless steel 2 = viton 2 = viton 2 = up to 350 mbar
  3 = stainless steel (1.4435)   3 = up to 500 mbar
  4 = hastelloy (2.4610)   4 = up to 700 mbar
      5 = up to 2,1 bar
      6 = up to 4,2 bar
      7 = up to 7,0 bar