4M-CO4L-1/3-BN-SS Parker CO Series O-Ring Poppet Check Valve
$123.55 / Each
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