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

Item #	Description	Catalog Pg.	Price
Item 18291	1/2" PVC Check Valve with Threaded & Socket Ends 101.55/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	101.55/Each In Stock
Item 18294	1-1/4" PVC Check Valve with Threaded & Socket Ends 236.49/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	236.49/Each Drop Ship
Item 18293	1" PVC Check Valve with Threaded & Socket Ends 141.73/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	141.73/Each In Stock
Item 18292	3/4" PVC Check Valve with Threaded & Socket Ends 136.63/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	136.63/Each In Stock
Item 18295	1-1/2" PVC Check Valve with Threaded & Socket Ends 236.49/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	236.49/Each In Stock
Item 18307	3" PVC Check Valve with Socket Ends 892.64/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	892.64/Each Special Order
Item 18297	3" PVC Check Valve with Threaded Ends 892.64/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	892.64/Each Special Order
Item 18296	2" PVC Check Valve with Threaded & Socket Ends 322.15/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	322.15/Each In Stock
Item 18273	1" CPVC Check Valve with Threaded & Socket Ends 219.35/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	219.35/Each In Stock
Item 18272	3/4" CPVC Check Valve with Threaded & Socket Ends 185.09/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	185.09/Each In Stock
Item 18271	1/2" CPVC Check Valve with Threaded & Socket Ends 155.82/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	155.82/Each In Stock
Item 18275	1-1/2" CPVC Check Valve with Threaded & Socket Ends 375.34/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	375.34/Each In Stock
Item 18287	3" CPVC Check Valve with Socket Ends 1361.72/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	1361.72/Each Special Order
Item 18277	3" CPVC Check Valve with Threaded Ends 1361.72/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	1361.72/Each Special Order
Item 18276	2" CPVC Check Valve with Threaded & Socket Ends 507.59/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	507.59/Each In Stock
Item 19430	1/2" PVC Foot Valve Screen Assembly for 18291 87.33/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	87.33/Each In Stock
Item 19440	3/4" PVC Foot Valve Screen Assembly for 18292 106.45/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	106.45/Each Special Order
Item 19450	1" PVC Foot Valve Screen Assembly for 18293 143.65/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	143.65/Each Special Order
Item 19470	1-1/4" & 1-1/2" PVC Foot Valve Screen Assembly for 18294 & 18295 247.38/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	247.38/Each Special Order
Item 19490	2" PVC Foot Valve Screen Assembly for 18296 298.14/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	298.14/Each Special Order
Item 19500	3" PVC Foot Valve Screen Assembly for 18297 351.27/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-492	351.27/Each Special Order

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