Air Flow Control Valve Tube OD 4-16mm NPT M3 -1/2"Inch Pneumatic Push In Fitting

Valve body：Copper nickel plated (anti-corrosion, rust-resistant, more wear-resistant). Valve body：Copper(uncoated surface). Ferrules：Zinc alloy ferrule (more durable, no deformation). Circlip :Stainless steel clamping spring (clamping force ≈ 120 N).

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