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800.241.1935
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Single Tapped
Part No.
Size
Inlet
Outlet
Weight LBS
522SS
553SS
554SS
555SS
523SS
556SS
558SS
524SS
559SS
560SS
561SS
525SS
562SS
563SS
564SS
1
1
1
1
1 1/4
1 1/4
1 1/4
1 1/2
1 1/2
1 1/2
1 1/2
2
2
2
2
1/8
1/4
--
--
1/8
1/4
--
1/8
1/4
--
--
1/8
1/4
--
--
--
--
1/8
1/4
--
--
1/4
--
--
1/8
1/4
--
--
1/8
1/4
1.2
1.2
1.2
1.2
1.7
1.7
1.7
2
2
2
2
3.7
3.7
3.7
3.7
All Simmons stainless steel check valves are CERTIFIED LEAD FREE and include Buna-N O-Ring, stainless steel spring, stainless steel washer, and stainless steel locknut. All valves ¾” through 1 ½” have a working pressure of 400 PSI, while valves 2” and larger have a working pressure of 600 PSI. Check valves rated for 190°F maximum temperature.
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