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FHR 3 / FHR 4

FHR 3 / FHR 4

Precision pressure regulator

single stage for mbar applications

FHR 3 und FHR 4 are single stage regulators for mbar gas control applications and inlet pressures not higher than 16 bar.

The excellent gas control characteristics of FHR 3 and FHR 4 are based on the wide and flexible diaphragm construction.

As an option this regulator type can also be delivered with a wall mounting bracket.

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  • Technical Details
  • Application Area
  • Order Details
Body: brass, or brass nickel plated
Seat: 3 mm or 4 mm
Diaphragm: NBR
Gas purity: < 5.0
Max. inlet pressure: 16 bar
Outlet pressure ranges: 5 mbar - 1 bar
Operating temp.: -20°C to +70°C
Gauges: safety specification according EN 837-1 KL 1.6
Threads: in- and outlet: G 1/4 f
  • For mbar applications
  • For laboratories
  • For instrumentation and process engineering
  • For gases up to 5.0 (99.9999 Vol.%) purity
  • For lamp production and glass shops

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

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

FHR 3 / FHR 4-1-2-2-Argon specifies a FHR 3 / FHR 4 model in brass with 4mm seat & 50mbar outlet pressure ranges, for use with Argon gas.

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