SMC 615 Series 3/8" Brass Check Valves

The 615 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
  • .375" diameter through hole in 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™)
  • Maximum pressure: 500 psi
Stock Description Catalog Pg. Price
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with Buna-N Seals - 1 PSI
22412
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with Buna-N Seals - 1 PSI
$16.73​/Each
Save 5%10+$15.89/Each
Save 10%20+$15.05/Each
Save 15%60+$14.22/Each
Internet Only
$16.73​/Each
In Stock
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with Buna-N Seals - 1/3 PSI
22413
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with Buna-N Seals - 1/3 PSI
$16.73​/Each
Save 5%10+$15.89/Each
Save 10%20+$15.05/Each
Save 15%60+$14.22/Each
Internet Only
$16.73​/Each
On Order
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with EPDM Seals - 1 PSI
22414
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with EPDM Seals - 1 PSI
$17.57​/Each
Save 5%10+$16.69/Each
Save 10%20+$15.81/Each
Save 15%60+$14.93/Each
Internet Only
$17.57​/Each
In Stock
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with Viton™ Seals - 1 PSI
22415
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with Viton™ Seals - 1 PSI
$17.57​/Each
Save 5%10+$16.69/Each
Save 10%20+$15.81/Each
Save 15%60+$14.93/Each
Internet Only
$17.57​/Each
In Stock
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with Viton™ Seals - 1/3 PSI
22417
3/8" FNPT x 3/8" FNPT Series 615 Brass Check Valve with Viton™ Seals - 1/3 PSI
$17.57​/Each
Save 5%10+$16.69/Each
Save 10%20+$15.81/Each
Save 15%60+$14.93/Each
Internet Only
$17.57​/Each
In Stock