Parker Check Valve, 1/4 in, Single, Inline, PTFE, PARFLARE x PARFLARE - CV-1-6644 Nominal Size-18" X 1" Model Number: Series E421

Model Number: Series E421

Two holes are also featured in the design to allow for drainage

Length Less Shaft: 20 15/16 in

Bradley S90-358 Dust Cover W/ Ss Yoke Replacement Part

Drinking Filler

Parker Check Valve, 1/4 in, Single, Inline, PTFE, PARFLARE x PARFLARE - CV-1-6644 Nominal Size-18" X 1" Model Number: Series E421PTFE Check Valves, Cracking pressure: 0. 25 to 0. 75 psi,PTFE construction allows for high chemical resistance and purity without the need of O rings for sealing. Machined PTFE spring allows for low cracking pressure and minimal back pressure for resealing. Suitable for use in high purity semiconductor applications and for ultra pure water and aggressive chemical or gas applications.