Emerson Fisher Type H722 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.
Note: Use with a 1 1/2 in. hex size installation tool.
Features
- UL Approved
- Stainless Steel Construction
- Stainless Steel Springs
- Thickly Molded Main Seal
- True Internal Design for Mobile Applications
- Standard Spring Settings
- Nitrile (NBR) Seat
- Serial Numbers for Identification
Specifications
- Type: H722-250
- Container Connection: 2 in. MNPT
- Construction Material: Stainless Steel; Body, stem, disc holder, springs
- Disc Material: Nitrile (NBR)
- Start to Discharge Setting: 250 psig (17.2 bar)
- Flow Capacity:
- UL: 3,635 SCFM (6,176 SCMH)
- ASME: 3,203 SCFM (5,136 SCMH)
- For Tank With Area Up To: 171 Ft² (15.9 m²)
- Temperature Rating: -20° to 160°F (-29° to 71°C)
- Protective Cap: Type P297 (Included)
- Approval: UL Listed
Downloads
Instruction Manual (PDF Download)
Data Sheet (PDF Download)
Drawings Schematics (PDF Download)