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

B1

B2

C

D

E

F Hex

G - End Connections

H - End Connections

List Price

N/A 2.49 in N/A 0.550 in N/A 0.400 in N/A 1.54 in N/A 0.200 in N/A 0.230 in N/A 11/16 in N/A 1/4 JIC N/A 1/8 MPT $40.49
N/A 2.95 in N/A 0.560 in N/A 0.600 in N/A 1.790 in N/A 0.280 in N/A 0.350 in N/A 13/16 in N/A 3/8 JIC N/A 1/4 MPT $44.36
N/A 3.5 in N/A 0.660 in N/A 0.610 in N/A 2.23 in N/A 0.300 in N/A 0.380 in N/A 1 in N/A 1/2 JIC N/A 3/8 MPT $49.97
N/A 3.990 in N/A 0.760 in N/A 0.790 in N/A 2.44 in N/A 0.340 in N/A 0.380 in N/A 1 1/8 in N/A 5/8 JIC N/A 1/2 MPT $55.87
N/A 4.460 in N/A 0.860 in N/A 0.800 in N/A 2.8 in N/A 0.410 in N/A 0.440 in N/A 1 7/16 in N/A 3/4 JIC N/A 3/4 MPT $87.53
N/A 5.380 in N/A 0.910 in N/A 1.000 in N/A 3.470 in N/A 0.53 in N/A 0.600 in N/A 1 13/16 in N/A 1 JIC N/A 1 MPT $111.67
N/A 6.380 in N/A 0.960 in N/A 0.970 in N/A 4.450 in N/A 0.730 in N/A 0.880 in N/A 2 5/8 in N/A 1 1/4 JIC N/A 1 1/4 MPT $300.89
N/A 6.540 in N/A 1.080 in N/A 1.000 in N/A 4.460 in N/A 0.730 in N/A 0.880 in N/A 2 5/8 in N/A 1 1/2 JIC N/A 1 1/2 MPT $320.22
N/A 8.240 in N/A 1.330 in N/A 1.030 in N/A 5.880 in N/A 0.94 in N/A 1.190 in N/A 3 1/2 in N/A 2 JIC N/A 2 MPT $420.95
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