Emerson Fisher H722-250 2 in. MNPT Flush Mounted Stainless Steel Internal Relief Valve, 250 PSI Start to Discharge

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.

This product is backed by a 10 year warranty.

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
• Warranty: 10 Years

Downloads

Instruction Manual (PDF Download)

Data Sheet (PDF Download)

Drawings Schematics (PDF Download)