A&F MACHINE PRODUCTS CO.

                                 Manufacturer of Helwig Chemical Feed Pumps and related water treatment equipment    
 

 

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INLINE CHECK VALVES

PART # CONNECTIONS MATERIAL OF MAXIMUM MAXIMUM BACK CHECK SPRING
CONSTRUCTION PRESSURE TEMPERATURE LOADED
02-SH 3/8" NPT POLYETHYLENE 100 PSI 100 F CERAMIC BALL NO
02-DS 3/8" NPT 304 SS 1000 PSI 300 F 316 SS BALL YES
22 1/4" NPT 304 SS 1000 PSI 300 F 316 SS BALL YES
24 1/2" NPT 304 SS 1000 PSI 300 F 316 SS BALL YES
002-19-D 1" NPT 304 SS 1000 PSI 300 F 316 SS BALL YES
002-22P-D 1" NPT POLYETHYLENE 100 PSI 100 F CERAMIC BALL YES