Check Valve – 500 SB Series
Certified Lead Free*
• Silicon bronze cast body
• Silicon bronze cast poppet
• Female Threads
• Check Valves: 1/2″ – 2″ are VFD Compatible
• Check Valves: 2-1/2″ – 6″ click here for VFD Compatible
*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 | List Price |
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 |