H722 and H733 flush mounted internal relief valves are primarily used for trucks transporting LP-Gas, Anhydrous Ammonia (NH3) or other compressed gases.
These valves are stainless steel to resist rust and corrosion.

CAD Drawings and Models: Click Here
prod_freg-h722-h732_2
Fisher™ H722 and H733 Series Flush Mounted Internal Relief Valves

Specs

Connection Sizes and Style
2-inch MNPT
3-inch MNPT
3-inch CL300 RF Flange
Construction Materials
Stainless Steel, Brass
Maximum Inlet Pressure (Body Rating)
480 psig / 33,0 bar
Start to Discharge Pressure Range
100 to 400 psig / 6.9 to 27.5 bar
Temperature Capabilities
Nitrile (NBR): -40° to 180°F / -40° to 82°C
Approximate Weights
H722 Series: 2.75 Pounds / 1 kg
H732 Series: 7.5 Pounds / 3 kg

Features

  • Stainless Steel Construction
  • Stainless Steel springs
  • True Internal Design for Mobile Applications
  • Standard Spring Settings
  • Nitrile (NBR) Seat
  • Serial Numbers for Identification

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