SMC 415 Series 1/4" Brass Check Valves

The 415 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. Flow arrows 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
  • 0.265" 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: 180°F
Stock Description Catalog Pg. Price
1/4" FNPT  x 1/4" FNPT Series 415 Brass Check Valve with Buna-N Seals - 1 PSI
22400
$12.48/Each
Save 5%10+$11.86/Each
Save 10%20+$11.23/Each
Save 15%60+$10.61/Each
P-475
$12.48/Each
1/4" FNPT  x 1/4" FNPT Series 415 Brass Check Valve with Buna-N Seals - 1/3 PSI
22401
$12.48/Each
Save 5%10+$11.86/Each
Save 10%20+$11.23/Each
Save 15%60+$10.61/Each
P-475
$12.48/Each
1/4" FNPT  x 1/4" FNPT Series 415 Brass Check Valve with EPDM Seals - 1 PSI
22402
$13.31/Each
Save 5%10+$12.64/Each
Save 10%20+$11.98/Each
Save 15%60+$11.31/Each
P-475
$13.31/Each
1/4" FNPT  x 1/4" FNPT Series 415 Brass Check Valve with Viton™ Seals - 1 PSI
22403
Save 5%10+$12.64/Each
Save 10%20+$11.98/Each
Save 15%60+$11.31/Each
P-475
$13.31/Each
1/4" FNPT  x 1/4" FNPT Series 415 Brass Check Valve with Viton™ Seals - 1/3 PSI
22404
Save 5%10+$12.64/Each
Save 10%20+$11.98/Each
Save 15%60+$11.31/Each
P-475
$13.31/Each