Features Manufactured with accurate size, the check valve enables tight sealing performance for air compressorrepair. This valve has excellent resistance to high pressure, corrosion and high temperature, ensuring stable working. The edges and corners have been carefully polished, the processing line is uniform, has no burrs and no seam. Adopting cast iron material, the striaght valve has uniform thickness, it's not easy to deform and very durable. Threaded ports make the installation much easier. Suits perfectly for Z‑0.036 exhaust pipe of air compressor. Specification: Item Type: Air Compressor Check Valve Material: Cast Iron Function: Air compressor accessories. Application: For Z-0.036 exhaust pipe of air compressor. Drive Mode: Pneumatic Valve Hole Specification: Approx. 21 x 16 x 10mm / 0.8 x 0.6 x 0.4in Package List: 1 x Air Compressor Check Valve Package List 1 x Air Compressor Check Valve