SMC 810 Series 1/2" Brass Check Valves

The 810 Piston Check Valve incorporates a piston with an embedded O-ring that seals on the seat. Pressure in the flow direction moves the piston and seal off the seat and exposes the cross holes in the piston. Check valves have a maximum operating pressure of 500 psi covers a wide range of air and fluid applications. They are a compact design and have a positive seal at very low back pressure or slight vacuum. The flow arrow on the body will point inlet to outlet.

Brass body & piston
Viton™, Buna-N or EPDM seals
Beryllium copper retainer
Good for a wide range of air & fluid applications
0.375" diameter through hole in ball
Positive seal at low back pressure or slight vacuum
Cracking pressure: 1/3 psi, 1/2 psi or 1 psi
Maximum pressure: 500 psi
Temperature range: -35°F to 250°F (Buna-N); -65°F to 300°F (EPDM) -15°F to 400°F (Viton™)

Stock	Description	Catalog Pg.	Price
Item 22418	1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals - 1 PSI 18.57/Each Out of Stock (On Order) Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	18.57/Each Out of Stock (On Order)
Item 22419	1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals - 1/3 PSI 18.57/Each In Stock Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	18.57/Each In Stock
Item 22421	1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with EPDM Seals - 1 PSI 20.78/Each Out of Stock (On Order) Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	20.78/Each Out of Stock (On Order)
Item 22422	1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals - 1 PSI 20.78/Each Out of Stock (On Order) Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	20.78/Each Out of Stock (On Order)
Item 22423	1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals - 1/3 PSI 20.78/Each In Stock Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	20.78/Each In Stock
Item 22424	1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Buna-N Seals - 1 PSI 18.57/Each In Stock Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	18.57/Each In Stock
Item 22425	1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Buna-N Seals - 1/3 PSI 18.57/Each In Stock Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	18.57/Each In Stock
Item 22426	1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Viton™ Seals - 1 PSI 20.78/Each Special Order Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	20.78/Each Special Order
Item 22427	1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Viton™ Seals - 1/3 PSI 20.78/Each In Stock Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	20.78/Each In Stock
Item 22428	1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals - 1 PSI 18.57/Each In Stock Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	18.57/Each In Stock
Item 22429	1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals - 1/3 PSI 18.57/Each In Stock Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	18.57/Each In Stock
Item 22431	1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals - 1 PSI 20.78/Each Out of Stock (On Order) Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	20.78/Each Out of Stock (On Order)
Item 22432	1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals - 1/2 PSI 20.78/Each In Stock Save 5% when you buy 10+ Save 10% when you buy 20+ Save 15% when you buy 60+	P-494	20.78/Each In Stock

SMC 810 Series 1/2" Brass Check Valves

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