Item Type: Quick Release Coupling Material: Stainless Steel Scope Of Application: Suitable for Petrochemical Industry, Mining Industry, Paper Industry, Water Supply and Drainage Industry, Environmental Protection Industry, Yejin Manufacturing. Product Specifications: 19 Chuck 50.5 Applicable Medium: Water, Gas, Oil, Weak Corrosive Medium Link Form: Welding + Quick Assembly Chuck Working Temperature: Normal Temperature Diameter: Approx. 19mm / 0.74in Chuck: Approx. 50.5mm / 1.98in Height: Approx. 22mm / 0.86in Package List 4 x Quick Release Coupling 1This quick release coupling is made from stainless steel, which is durable for long service life. 2The quick clamp connector has strong universality, pipe thread and general pipeline can be used in common, easy to replace and install. 3The quality stainless steel material is anticorrosion, antioxidant and not easy to rust. 4With good sealing performance, the temperature resistance up to 120 degrees Celsius. 5Quick release coupling has exquisite structure and mirror polishing, exquisite and beautiful appearance.