These spring-operated poppet valves, with optional relief settings, allow free flow in only one direction and prevent backflow – sometimes referred to as “backflow preventor”, “flow stop”, or “non-return” valve. They also are used for relief and by-pass functions; however, they should not be used as safety relief valves. Kepner's Flexible Seal Seat™ combines metal-to-metal contact with a resilient seal seat ensuring dependable bubble-tight shutoff of liquid or gas, and long service life. Standard and specialty valve designs handle a wide variety of applications.
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Item #

A - Total Length

D

E

F Hex

G - End Connections

H - End Connections

List Price

N/A 1.94 in N/A 0.270 in N/A 0.560 in N/A 11/16 in N/A 1/8 FPT N/A 1/8 FPT $35.83
N/A 2.66 in N/A 0.53 in N/A 0.98 in N/A 13/16 in N/A 1/4 FPT N/A 1/4 FPT $39.26
N/A 2.580 in N/A 0.300 in N/A 0.72 in N/A 1 in N/A 3/8 FPT N/A 3/8 FPT $44.24
N/A 3.19 in N/A 0.44 in N/A 1.030 in N/A 1 1/8 in N/A 1/2 FPT N/A 1/2 FPT $49.43
N/A 3.690 in N/A 0.56 in N/A 1.190 in N/A 1 7/16 in N/A 3/4 FPT N/A 3/4 FPT $77.46
N/A 4.190 in N/A 0.53 in N/A 1.31 in N/A 1 13/16 in N/A 1 FPT N/A 1 FPT $98.82
N/A 5.170 in N/A 0.730 in N/A 1.590 in N/A 2 5/8 in N/A 1 1/4 FPT N/A 1 1/4 FPT $266.27
N/A 5.190 in N/A 0.75 in N/A 1.590 in N/A 2 5/8 in N/A 1 1/2 FPT N/A 1 1/2 FPT $283.39
N/A 6.69 in N/A 0.94 in N/A 2.000 in N/A 3 1/2 in N/A 2 FPT N/A 2 FPT $372.49
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