Check Valve – 500 SB Series

Check Valve – 500 SB Series
Certified Lead Free*

• Silicon bronze cast body
• Silicon bronze cast poppet
• Female Threads

*Certified Lead Free to NSF/ANSI 372 and NSF/ANSI 61. Meets all State and Federal safe water drinking acts including California Prop 65.

All check valves furnished with Buna-N O-Ring, stainless steel spring, stainless steel washer and stainless steel locknut.

All valves 3/4″ through 1-1/2″ have a working pressure of 400 psi. All valves 2″ and larger have a working pressure of 600 psi.

Part No. Size Weight          Type
501SB 1/2 in. .60 Spring Check Valve
502SB 3/4 in. .80 Spring Check Valve
503SB 1 in. 1.1 Spring Check Valve
513SB* 1 in. 1.2 Spring Check Valve
504SB 1 1/4 in. 1.6 Spring Check Valve
514SB** 1 1/4 in. 1.7 Spring Check Valve
505SB 1 1/2 in. 2.1 Spring Check Valve
506SB 2 in. 3.7 Spring Check Valve
507SB 2 1/2 in. 9.5 Spring Check Valve
508SB 3 in. 10.8 Spring Check Valve
509SB 4 in. 23.6 Spring Check Valve
510SB*** 5 in. 25.1 Spring Check Valve
511SB 6 in. 41.5  Spring Check Valve
* Has Longer Threads
** Has Longer Threads
*** Has 5″ male threads on both ends