The original Chemtrol® True Union design allows the valve and operational components to be conveniently lifted from the piping system for repair or replacement. The valve can be easily joined with the universal socket and threaded end connections. Please refer to Chemtrol technical data sheets, valve selection guides and catalogs for engineering and installation information. Corzan® CPVC Schedule 80 thermoplastics demonstrate excellent mechanical strength over broad temperature range, outstanding underground performance and superior hydraulics. Chemtrol Corzan® CPVC valves are lightweight, easy to install, maintenance-free and will not rust, scale, pit or corrode. Choose Chemtrol® valves for the most reliable, versatile and economical valve option in commercial and industrial applications. Chemtrol® ball check valves are backed by a 1-year limited warranty. Because Chemtrol® is a NIBCO brand the flow-control valves are unsurpassed in quality, performance and longevity.
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UPC Code

Valve Size

Connection Type

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MB817U6 N/A 039923743800 N/A 1/2 N/A Universal (S & F) x Universal (S & F) N/A U51BC-E 1/2 TU BALL CK EPDM CPVC
MB817U8 N/A 039923743817 N/A 3/4 N/A Universal (S & F) x Universal (S & F) N/A U51BC-E 3/4 TU BALL CK EPDM CPVC
MB817UA N/A 039923743824 N/A 1 N/A Universal (S & F) x Universal (S & F) N/A U51BC-E 1 TU BALL CK EPDM CPVC
MB817UB N/A 039923743831 N/A 1 1/4 N/A Universal (S & F) x Universal (S & F) N/A U51BC-E 11/4 TU BALL CK EPDM CPVC
MB817UC N/A 039923743848 N/A 1 1/2 N/A Universal (S & F) x Universal (S & F) N/A U51BC-E 11/2 TU BALL CK EPDM CPVC
MB817UD N/A 039923743855 N/A 2 N/A Universal (S & F) x Universal (S & F) N/A U51BC-E 2 TU BALL CK EPDM CPVC
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