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. 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
  • .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
  • Maximum temperature: 250°F (Buna-N), 300°F (EPDM) & 375°F (Viton™)
  • Made in the USA
Stock Description Catalog Pg. Price
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals -  1 PSI
22418
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals - 1 PSI
$15.11​/Each
Save 5%10+$14.35/Each
Save 10%20+$13.59/Each
Save 15%60+$12.84/Each
P-439
$15.11​/Each
In Stock
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals -  1/3 PSI
22419
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals - 1/3 PSI
$15.11​/Each
Save 5%10+$14.35/Each
Save 10%20+$13.59/Each
Save 15%60+$12.84/Each
P-439
$15.11​/Each
In Stock
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with EPDM Seals -  1 PSI
22421
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with EPDM Seals - 1 PSI
$16.91​/Each
Save 5%10+$16.06/Each
Save 10%20+$15.21/Each
Save 15%60+$14.37/Each
P-439
$16.91​/Each
Special Order
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals -  1 PSI
22422
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals - 1 PSI
$16.91​/Each
Save 5%10+$16.06/Each
Save 10%20+$15.21/Each
Save 15%60+$14.37/Each
P-439
$16.91​/Each
Special Order
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals -  1/3 PSI
22423
1/2" FNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals - 1/3 PSI
$16.91​/Each
Save 5%10+$16.06/Each
Save 10%20+$15.21/Each
Save 15%60+$14.37/Each
P-439
$16.91​/Each
In Stock
1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Buna-N Seals -  1 PSI
22424
1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Buna-N Seals - 1 PSI
$15.11​/Each
Save 5%10+$14.35/Each
Save 10%20+$13.59/Each
Save 15%60+$12.84/Each
P-439
$15.11​/Each
Special Order
1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Buna-N Seals -  1/3 PSI
22425
1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Buna-N Seals - 1/3 PSI
$15.11​/Each
Save 5%10+$14.35/Each
Save 10%20+$13.59/Each
Save 15%60+$12.84/Each
P-439
$15.11​/Each
In Stock
1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Viton™ Seals -  1 PSI
22426
1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Viton™ Seals - 1 PSI
$16.91​/Each
Save 5%10+$16.06/Each
Save 10%20+$15.21/Each
Save 15%60+$14.37/Each
P-439
$16.91​/Each
Special Order
1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Viton™ Seals -  1/3 PSI
22427
1/2" MNPT x 1/2" FNPT Series 810 Brass Check Valve with Viton™ Seals - 1/3 PSI
$16.91​/Each
Save 5%10+$16.06/Each
Save 10%20+$15.21/Each
Save 15%60+$14.37/Each
P-439
$16.91​/Each
In Stock
1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals -  1 PSI
22428
1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals - 1 PSI
$15.11​/Each
Save 5%10+$14.35/Each
Save 10%20+$13.59/Each
Save 15%60+$12.84/Each
P-439
$15.11​/Each
On Order
1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals -  1/3 PSI
22429
1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Buna-N Seals - 1/3 PSI
$15.11​/Each
Save 5%10+$14.35/Each
Save 10%20+$13.59/Each
Save 15%60+$12.84/Each
P-439
$15.11​/Each
In Stock
1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™  Seals -  1 PSI
22431
1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals - 1 PSI
$16.91​/Each
Save 5%10+$16.06/Each
Save 10%20+$15.21/Each
Save 15%60+$14.37/Each
P-439
$16.91​/Each
In Stock
1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™  Seals -  1/2 PSI
22432
1/2" MNPT x 1/2" MNPT Series 810 Brass Check Valve with Viton™ Seals - 1/2 PSI
$16.91​/Each
Save 5%10+$16.06/Each
Save 10%20+$15.21/Each
Save 15%60+$14.37/Each
P-439
$16.91​/Each
In Stock