1、Easy Switching: 2 position design enables light rotation for switching as well as accurate positioning. 2、Stable Working: The 4 way air valve has large effective circulation area to ensure small pressure loss. 3、Secure Sealing: High accuracy valve stem promises perfect matching and good air tightness for sealing. 4、Practical Uses: Allows for broad application in automatic production, industrial equipment and so on. 5、Good Durability: Through special process, the inner hole has low friction resistance and long service life. 1 x Air Hand Valve1 x Handle Item Type: Air Hand ValveMaterial: Aluminium Alloy Model 4HV310-08 4HV310-10 Working Method Air Tube Calibre G1/4 G3/8 Effective Cross Sectional Area 30mm² (Cv= 4.89) 33mm² (Cv= 5.27) Number of Position 2 Position 4 Way Lubricating No Lubricating Required Operating Pressure Range 0- 1.0MPa(0-145psi) Proof Pressure 1.5MPa(215psi) Operating Temperature -20-70℃ Working Angle 90°