Size: 1/8" upto 3"Type: 1) Double Check Valve QRC i,e. with selfSealing Valve at coupler & adaptor ends.2) Single Check valve QRC i,e. self sealingvalve at coupler & through types adaptor.3) Without Check Valve QRC i,e. both coupler& adaptor through type.Temperature: Upto +370ºCSeal Material: Nitrile/ Viton/ Neoprene/ Silicon/ Teflon.Body Material: Carbon Steel / Brass/ S.S. 304/ S.S 316/ Aluminium.End Connection: Socket welding, hose thread, pipe thread, hoseshank & flanged.Pressure: Upto 4000 psi: Wide application on fluids line connections likeair, steam, gases, liquids, oil, etc, used inFERTILIZER, CHEMICAL PETROLEUM,FURNACES,TEXTILE MACHINE, MACHINTOOLS, REFRIGERATIONS & MANYMORE INDUSTRIES.The advantages of Quick Release Couplings:1. Instant connection or disconnection without adrop leakage due to internal action of valves.2. Suitable technology.3. High mechanical precision.4. A quality of materials and sealing suitable forevery fluid.5. A rigorous control which ensures safety foruse with gas, oxygen, hydrogen, propane,steam, solvent & acids acetylene etc.