Check Valve – Single Tap
Certified Lead Free*
• Silicon bronze cast body
• Silicon bronze cast poppet
• Female Threads
* Certified lead free to NSF/ANSI 372 and NSF/ANSI 61 by Truesdail Laboratories. Meets all State and Federal safe water drinking acts and regulations 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. | Part No. | Size | Tapped | Weight | List Price | List Price | |
Stemmed | Stemless | Inlet | Outlet | Stemmed | Stemless | ||
521SB | – | 3/4 | 1/8 | – | .8 | $52.67 | – |
550SB | – | 3/4 | 1/4 | – | .8 | $52.67 | – |
551SB | – | 3/4 | – | 1/8 | .8 | $52.67 | – |
552SB | – | 3/4 | – | 1/4 | .8 | $52.67 | – |
522SB | 2522SB | 1 | 1/8 | – | 1.2 | $62.03 | $62.03 |
553SB | 2553SB | 1 | 1/4 | – | 1.2 | $62.03 | $62.03 |
554SB | 2554SB | 1 | – | 1/8 | 1.2 | $62.03 | $62.03 |
555SB | 2555SB | 1 | – | 1/4 | 1.2 | $62.03 | $62.03 |
523SB | 2523SB | 1 1/4 | 1/8 | – | 1.7 | $82.76 | $82.76 |
556SB | 2556SB | 1 1/4 | 1/4 | – | 1.7 | $82.76 | $82.76 |
557SB | – | 1 1/4 | – | 1/8 | 1.7 | $82.76 | – |
558SB | 2558SB | 1 1/4 | – | 1/4 | 1.7 | $82.76 | $82.76 |
Part No. | Part No. | Size | Tapped | Weight | List Price | List Price | |
Stemmed | Stemless | Inlet | Outlet | Stemmed | Stemless | ||
524SB | 2524SB | 1 1/2 | 1/8 | – | 2.0 | $102.38 | $102.38 |
559SB | 2559SB | 1 1/2 | 1/4 | – | 2.0 | $102.38 | $106.15 |
560SB | 2560SB | 1 1/2 | – | 1/8 | 2.0 | $102.38 | $106.15 |
561SB | 2561SB | 1 1/2 | – | 1/4 | 2.0 | $102.38 | $106.15 |
525SB | 2525SB | 2 | 1/8 | – | 3.7 | $162.08 | $162.08 |
562SB | 2562SB | 2 | 1/4 | – | 3.7 | $162.08 | $164.54 |
563SB | 2563SB | 2 | – | 1/8 | 3.7 | $162.08 | $164.54 |
564SB | 2564SB | 2 | – | 1/4 | 3.7 | $162.08 | $164.54 |
526SB | – | 2 1/2 | 1/8 | – | 9.8 | $764.52 | – |
527SB | – | 3 | 1/8 | – | 10.1 | $1115.26 | – |
528SB | – | 4 | 1/8 | – | 23.5 | $1474.34 | – |