4M-CO4L-1/3-BN-SS Parker CO Series O-Ring Poppet Check Valve

$123.55 / Each
  • Max. Temperature: 250°F
  • Seat Material: Buna-N
  • End 1 Type: MNPT
  • End 2 Size: 1/4 in.
  • End 2 Type: MNPT

Parker CO-Series O-Ring Poppet Check Valve, 316 SS body, 1/4" MNPT ends, 1/3 psig crack pressure, Buna-N rubber seal

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Product Description

Designed for positive unidirectional flow control of liquid and gases requiring high integrity sealing and reseating performance, the Parker CO-Series check valve features seal integrity tested up to 4 x 10(-9) std atm cc/sec across the seat and to atmosphere (fluorocarbon rubber seals). The O-ring poppet design provides a repeatable high integrity seal and accurate cracking pressures.

  • Eight cracking pressure choices from 1/3 to 100 psi
  • Variety of seal materials
  • Back stopped poppet minimizes spring stress
  • 316 stainless steel construction standard

Dimension Drawing