NTA HVFS air flow from push in connector to thread high quality shut off valve//Finger Valve/Hand Valves/Residual Relief 3 Port Valve is used to turn on or shut off the compressed air flow in the pneumatic system. Operating force is reduced, poppet valve construction seldom suffers seal defection. The 3-port valve discharges residual pressure from 2A with the handle set at SHUT. It is suitable for use with nylon and urethane tube, large retaining force, it can be used for a wide range of pressures from a low vaccum up to a high pressure of 1.2MPa/174PSI, long lifetime, air through and break life cycle number reaching 17.4 million cycles, it is 2.8 to 348 times of lifetime from other Chinese fitting suppliers0.05 to 6.3 millions cycles. The air fitting structurepush in fitting/one touch fitting is quick installation, simple and flexible, space-saving, easy to connect tube by one touch. All tapered threads are pre-coated with Teflon with fine seal performance.Nickel-Plated brass bod...