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 socket end connections. Please refer to Chemtrol technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Chemtrol industrial thermoplastic flow-control systems perform well in harsh environments because they are made with materials that are resistant to abrasion, corrosion, weather, chemical and biological attack. Chemtrol black polypropylene demonstrates excellent tensile strength, UV stability and versatile chemical resistance properties, making it the material of choice for harsh industrial, outdoor and underground applications. 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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Material Number

UPC Code

Valve Size

Connection Type


MC801A6 N/A 039923751577 N/A 1/2 N/A S x S N/A S61BC-V 1/2 SOC BALL CHK PPRO/FKM
MC801A8 N/A 039923751584 N/A 3/4 N/A S x S N/A S61BC-V 3/4 SOC BALL CHK PPRO/FKM
MC801AA N/A 039923751591 N/A 1 N/A S x S N/A S61BC-V 1 SOC BALL CHK PPRO/FKM
MC801AC N/A 039923751614 N/A 1 1/2 N/A S x S N/A S61BC-V 1-1/2 SOC BALL CHK PPRO/FKM
MC801AD N/A 039923751621 N/A 2 N/A S x S N/A S61BC-V 2 SOC BALL CHK PPRO/FKM
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