Check Valve – Single Tap

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
Stemmed	Stemless		Inlet	Outlet
521SB	–	3/4	1/8	–	.8
550SB	–	3/4	1/4	–	.8
551SB	–	3/4	–	1/8	.8
552SB	–	3/4	–	1/4	.8
522SB	2522SB	1	1/8	–	1.2
553SB	2553SB	1	1/4	–	1.2
554SB	2554SB	1	–	1/8	1.2
555SB	2555SB	1	–	1/4	1.2
523SB	2523SB	1 1/4	1/8	–	1.7
556SB	2556SB	1 1/4	1/4	–	1.7
557SB	–	1 1/4	–	1/8	1.7
558SB	2558SB	1 1/4	–	1/4	1.7
Part No.	Part No.	Size	Tapped		Weight
Stemmed	Stemless		Inlet	Outlet
524SB	2524SB	1 1/2	1/8	–	2.0
559SB	2559SB	1 1/2	1/4	–	2.0
560SB	2560SB	1 1/2	–	1/8	2.0
561SB	2561SB	1 1/2	–	1/4	2.0
525SB	2525SB	2	1/8	–	3.7
562SB	2562SB	2	1/4	–	3.7
563SB	2563SB	2	–	1/8	3.7
564SB	2564SB	2	–	1/4	3.7
526SB	–	2 1/2	1/8	–	9.8
527SB	–	3	1/8	–	10.1
528SB	–	4	1/8	–	23.5