SPECIAL GAS + EQUIPMENT CONSULTANTS
CRR Ltd
VDS-FHR 3 / VDS-FHR 4

VDS-FHR 3 / VDS-FHR 4

Precision Cylinder Pressure Regulator

Dual Stage for mbar operating pressures in brass, or nickel plated

Dual stage precision regulator with a large diaphragm for mbar applications integrated into the second stage (FHR).

For non corrosive gases up to 5.0 purity

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  • Technical Details
  • Application Area
  • Order Details
Body: brass or brass, nickel plated
Seat: 3 mm or 4 mm
Gaskets: NBR
Diaphragm: NBR
Max. inlet pressure: 300 bar
Outlet pressure ranges: 5 mbar - 1 bar
Operating temp.: -20°C to +70°C
Dimensions (wxhxd): 292 x 124 x 110 mm
Connections: inlet thread:
DIN 477-1 and -5 (others on request)

outlet threadt:
G 1/4“ -DIN 3852

Especially for mbar applications:

  • Laboratories and industries
  • Science and research
  • Instrumentation
  • Glass- and lamp industries
  • Process enginiering.

To identify the correct order code for your VDS-FHR 3 / VDS-FHR 4

Start with "VDS-FHR 3 / VDS-FHR 4-", then add the appropriate number options from columns A, B, C & D  in the table below followed by the gas to be used.

VDS-FHR 3 / VDS-FHR 4-1-2-1-1-Argon specifies a VDS-FHR 3 / FHR 4 model in brass with 300 bar inlet pressure, 3mm seat & up to 30 mbar outlet pressure, for use with Argon gas.

A B
C D
Material Inlet Pressure
Seat Outlet pressure ranges
1 = brass 1 = 200 bar 1 = 3 mm 1 = up to 30 mbar
2 = brass, nickel plated, hand connected 2 = 300 bar 2 = 4 mm 2 = up to 50 mbar
      3 = up to 70 mbar
      4 = up to 100 mbar
      5 = up to 200 mbar
      6 = up to 300 mbar
      7 = up to 500 mbar
      8 = up to 700 mbar
      9 = up to 1000 mbar