SMC 406 Series Check Valves

These 406 check valves incorporate a plastic poppet with an embedded O-ring that seals on the seat.

White polypropylene, natural nylon, or black or natural Kynar® body
Buna-N, EPDM or Viton™ seal
302 SS spring
Cracking pressure: 0.25 psi or 1 psi
Natural or white inlets & black outlets on polypropylene & nylon
Chemical resistant
Maximum operating pressure: 125 psi
Maximum operating temperature: 140°F
Cv: 0.4 with 1/4 barb ends
Made in the USA

Stock	Description	Catalog Pg.	Price
Item 22619	1/8" Hose Barb x 1/8" Hose Barb Series 406 Black Kynar® Check Valve with 1 psi Spring & Viton™ Seal 11.23/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	11.23/Each Out of Stock (On Order)
Item 22620	3/16" Hose Barb x 3/16" Hose Barb Series 406 Black Kynar® Check Valve with 1 psi Spring & Viton™ Seal 11.23/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	11.23/Each Special Order
Item 22621	1/4" Hose Barb x 1/4" Hose Barb Series 406 Black Kynar® Check Valve with 1 psi Spring & Viton™ Seal 11.23/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	11.23/Each In Stock
Item 22622	3/8" Hose Barb x 3/8" Hose Barb Series 406 Natural Kynar® Check Valve with 1 psi Spring & Viton™ Seal 10.68/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	10.68/Each In Stock
Item 22570	1/8" Hose Barb x 1/8" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22571	1/8" Hose Barb x 1/8" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & EPDM Seal 6.34/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each In Stock
Item 22572	1/8" Hose Barb x 1/8" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & Viton™ Seal 6.72/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Out of Stock (On Order)
Item 22573	1/8" Hose Barb x 1/8" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22574	1/8" Hose Barb x 1/8" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22575	1/8" Hose Barb x 1/8" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & Viton™ Seal 6.72/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Special Order
Item 22576	3/16" Hose Barb x 3/16" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22577	3/16" Hose Barb x 3/16" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & EPDM Seal 6.34/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each In Stock
Item 22578	3/16" Hose Barb x 3/16" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & Viton™ Seal 6.72/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each In Stock
Item 22579	3/16" Hose Barb x 3/16" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22580	3/16" Hose Barb x 3/16" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22581	3/16" Hose Barb x 3/16" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & Viton™ Seal 6.72/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Special Order
Item 22582	1/4" Hose Barb x 1/4" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22583	1/4" Hose Barb x 1/4" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & EPDM Seal 6.34/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each In Stock
Item 22584	1/4" Hose Barb x 1/4" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & Viton™ Seal 6.72/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each In Stock
Item 22585	1/4" Hose Barb x 1/4" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22586	1/4" Hose Barb x 1/4" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22587	1/4" Hose Barb x 1/4" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & Viton™ Seal 6.72/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Special Order
Item 22588	3/8" Hose Barb x 3/8" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & Buna-N Seal 6.34/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Out of Stock (On Order)
Item 22589	3/8" Hose Barb x 3/8" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22590	3/8" Hose Barb x 3/8" Hose Barb Series 406 Polypropylene Check Valve with 0.25 psi Spring & Viton™ Seal 6.72/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each In Stock
Item 22591	3/8" Hose Barb x 3/8" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & Buna-N Seal 6.34/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Out of Stock (On Order)
Item 22592	3/8" Hose Barb x 3/8" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22593	3/8" Hose Barb x 3/8" Hose Barb Series 406 Polypropylene Check Valve with 1 psi Spring & Viton™ Seal 6.72/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Special Order
Item 22594	1/8" Hose Barb x 1/8" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22595	1/8" Hose Barb x 1/8" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22596	1/8" Hose Barb x 1/8" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & Viton™ Seal 6.72/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Special Order
Item 22597	1/8" Hose Barb x 1/8" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22598	1/8" Hose Barb x 1/8" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22599	1/8" Hose Barb x 1/8" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & Viton™ Seal 6.72/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Special Order
Item 22600	3/16" Hose Barb x 3/16" Hose Barb Series 406 Nylon check Valve with 0.25 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22601	3/16" Hose Barb x 3/16" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22603	3/16" Hose Barb x 3/16" Hose Barb Series 406 Nylon check Valve with 1 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22604	3/16" Hose Barb x 3/16" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22602	3/16" Hose Barb x 3/16" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & Viton™ Seal 6.72/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Special Order
Item 22606	1/4" Hose Barb x 1/4" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22607	1/4" Hose Barb x 1/4" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22608	1/4" Hose Barb x 1/4" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & Viton™ Seal 6.72/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each In Stock
Item 22609	1/4" Hose Barb x 1/4" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22611	1/4" Hose Barb x 1/4" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22612	1/4" Hose Barb x 1/4" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & Viton™ Seal 6.72/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Special Order
Item 22605	3/16" Hose Barb x 3/16" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & Viton™ Seal 6.72/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Special Order
Item 22614	3/8" Hose Barb x 3/8" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & EPDM Seal 6.34/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each In Stock
Item 22615	3/8" Hose Barb x 3/8" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & Viton™ Seal 6.72/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each In Stock
Item 22616	3/8" Hose Barb x 3/8" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & Buna-N Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22617	3/8" Hose Barb x 3/8" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & EPDM Seal 6.34/Each Special Order Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Special Order
Item 22613	3/8" Hose Barb x 3/8" Hose Barb Series 406 Nylon Check Valve with 0.25 psi Spring & Buna-N Seal 6.34/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.34/Each Out of Stock (On Order)
Item 22618	3/8" Hose Barb x 3/8" Hose Barb Series 406 Nylon Check Valve with 1 psi Spring & Viton™ Seal 6.72/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-247	6.72/Each Out of Stock (On Order)