AUTO AIR VENT

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 psi

 

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Description

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.

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