NIBCO® Chemtrol® TruUnion Ball Check Valves

NIBCO® Chemtrol® TruUnion Ball Check Valves

The Chemtrol® True Union ball check valve stops the flow of media in one direction while allowing flow in the opposite direction, with minimum turbulence and chatter while maintaining pump prime. Ball supported by a system of guide ribs to give full flow with minimum turbulence and chatter. Equally effective in checking backflow from head pressure on the discharge or suction side of the pump.

PVC or CPVC
FKM seals, O-rings & ball seats
The design ensures the free movement of the ball
2 psi positive back pressure
Requires only inches of head pressure to seal & open
Seating head: 6 to 7 psi (1/2" & 3/4"), 4 to 5 psi (1"-2") & 3 to 4 psi (3")
Maximum temperature: 140°F (PVC) & 210°F (CPVC)
NSF listed
Foot valve screens assemblies sold separately

Stock	Description	Catalog Pg.	Price
Item 18291	1/2" PVC Check Valve with Threaded & Socket Ends 99.56/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	99.56/Each In Stock
Item 18294	1-1/4" PVC Check Valve with Threaded & Socket Ends 231.85/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	231.85/Each Drop Ship
Item 18293	1" PVC Check Valve with Threaded & Socket Ends 138.95/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	138.95/Each In Stock
Item 18292	3/4" PVC Check Valve with Threaded & Socket Ends 133.95/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	133.95/Each In Stock
Item 18295	1-1/2" PVC Check Valve with Threaded & Socket Ends 231.85/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	231.85/Each In Stock
Item 18307	3" PVC Check Valve with Socket Ends 875.14/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	875.14/Each Special Order
Item 18297	3" PVC Check Valve with Threaded Ends 875.14/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	875.14/Each Special Order
Item 18296	2" PVC Check Valve with Threaded & Socket Ends 315.83/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	315.83/Each In Stock
Item 18273	1" CPVC Check Valve with Threaded & Socket Ends 215.05/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	215.05/Each In Stock
Item 18272	3/4" CPVC Check Valve with Threaded & Socket Ends 181.46/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	181.46/Each In Stock
Item 18271	1/2" CPVC Check Valve with Threaded & Socket Ends 152.76/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	152.76/Each In Stock
Item 18275	1-1/2" CPVC Check Valve with Threaded & Socket Ends 367.98/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	367.98/Each In Stock
Item 18287	3" CPVC Check Valve with Socket Ends 1335.02/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	1335.02/Each Special Order
Item 18277	3" CPVC Check Valve with Threaded Ends 1335.02/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	1335.02/Each Special Order
Item 18276	2" CPVC Check Valve with Threaded & Socket Ends 497.64/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	497.64/Each In Stock
Item 19430	1/2" PVC Foot Valve Screen Assembly for 18291 85.62/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	85.62/Each In Stock
Item 19440	3/4" PVC Foot Valve Screen Assembly for 18292 104.36/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	104.36/Each Special Order
Item 19450	1" PVC Foot Valve Screen Assembly for 18293 140.83/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	140.83/Each In Stock
Item 19470	1-1/4" & 1-1/2" PVC Foot Valve Screen Assembly for 18294 & 18295 242.53/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	242.53/Each Special Order
Item 19490	2" PVC Foot Valve Screen Assembly for 18296 292.29/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	292.29/Each Special Order
Item 19500	3" PVC Foot Valve Screen Assembly for 18297 344.38/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-477	344.38/Each Special Order

NIBCO® Chemtrol® TruUnion Ball Check Valves

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