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According to NFPA Pumps that are automatically controlled shall be provided with a listed float-operated air release valve having a nominal 0.50 in. (12.7 mm) minimum diameter discharged to atmosphere.
SPECIFICATIONS
Sizes: | ½”, ¾”, 1” |
Pressure Rating: | 175 psi |
Body and Cover | Ductile Iron ASTM A536 64-45-12 |
Float | Stainless Steel 316, ASTM A240 |
Internal Parts | Stainless Steel 316, ASTM A240 |
Orifice Button | EPDM |
Paint Specification | Red Epoxy Painted |
• Maintains system flow efficiency | |
Operational Highlights | • Releases unwanted air pockets during system operation |
• Protects system against air related surges |
AIR RELEASE VALVE - TECHNICAL DATA
Model No. | Valve Size | Orifice Size | Inlet Size NPT | Outlet Size NPT | Max W.P |
NF - 15 ARV | ½" | ¹/16" | ½” | ½" | 175 psi |
NF - 20 ARV | ¾" | ¹/16” | ¾" | ½” | 175 psi |
NF - 25 ARV | 1" | ¹/16” | 1" | ½” | 175 ps |
