1/2" "339" Check Valve

339 series Check valves allow free flow in one direction and provide positive checked flow in the reverse direction. These valves are available with NPTF ports and are recommended for pneumatic service. Available in female to female connection only.   Port Size (inch):1/2 Port Type:NPT Product Type:One Way Check Valve Mounting Type:Inline Port Size:1/8" | 1/4" | 3/8" | 1/2" | 3/4" Port Type:NPT Flow Coefficient:0.66 to 6.0 (free flow) Cv Flow Rate:35 to 323 (free flow) SCFM Operating Pressure:0 - 250, 0 - 17 bar Operating Temperature:-18° to +82° °C, 0° to +180° °F Media:Air Lubricant:None Body Material:Brass Seal Material:Urethane Needle Material:Brass, Stainless Steel, Zinc-Plated Steel