Emerson Fisher Type 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.
Note: Use with a 2 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: H733-250
- Container Connection: 3 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: 10,150 SCFM (17,245 SCMH)
- ASME: 9,369 SCFM (15,918 SCMH)
- For Tank With Area Up To: 598 Ft² (55.6 m²)
- Temperature Rating: -20° to 160°F (-29° to 71°C)
- Protective Cap: Type P298 (Included)
- Approval: UL Listed
Downloads
Instruction Manual (PDF Download)
Data Sheet (PDF Download)
Drawings Schematics (PDF Download)