SMC 815 Series 1/2" Brass Check Valves

The 815 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. The flow arrow on the body will point from inlet to outlet.

  • Brass body & piston
  • Viton™, Buna-N, or EPDM seals
  • Beryllium copper retainer
  • Good for a wide range of air & fluid applications
  • 0.437" diameter through-hole in the ball
  • Positive seal at low back pressure or slight vacuum
  • Cracking pressure: 1/3 psi or 1 psi
  • Maximum pressure: 500 psi
  • Maximum temperature: 250°F (Buna-N), 300°F (EPDM) & 375°F (Viton™)
Stock Description Catalog Pg. Price
1/2" FNPT  x 1/2" FNPT Series 815 Brass Check Valve with Buna-N Seals - 1 PSI
Item 22433
23.89/Each
Save 5% when you buy 10+
Save 10% when you buy 20+
Save 15% when you buy 60+
Internet Only
23.89/Each
1/2" FNPT  x 1/2" FNPT Series 815 Brass Check Valve with Buna-N Seals - 1/3 PSI
Item 22434
23.89/Each
Save 5% when you buy 10+
Save 10% when you buy 20+
Save 15% when you buy 60+
Internet Only
23.89/Each
1/2" FNPT  x 1/2" FNPT Series 815 Brass Check Valve with EPDM Seals - 1 PSI
Item 22435
25.07/Each
Save 5% when you buy 10+
Save 10% when you buy 20+
Save 15% when you buy 60+
Internet Only
25.07/Each
1/2" FNPT  x 1/2" FNPT Series 815 Brass Check Valve with Viton™ Seals - 1 PSI
Item 22436
25.07/Each
Save 5% when you buy 10+
Save 10% when you buy 20+
Save 15% when you buy 60+
Internet Only
25.07/Each
1/2" FNPT  x 1/2" FNPT Series 815 Brass Check Valve with Viton™ Seals - 1/3 PSI
Item 22437
25.07/Each
Save 5% when you buy 10+
Save 10% when you buy 20+
Save 15% when you buy 60+
Internet Only
25.07/Each