1、ACCURATE POSITIONING: Rotary lever hand valve possess light reversing rotation, good hand feeling, and accurate positioning 2、SMALL PRESSURE LOSS: Come with large effective circulation area and small pressure loss, very reliable and practical 3、GOOD AIR TIGHTNESS: High accuracy valve stem has high matching degree and good air tightness, you can use with confidence 4、LOW FRICTION RESISTANCE: The inner hole is treated with a special process, with low friction resistance and long service life 5、STABLE PERFORMANCE AND DURABLE: Rotary lever hand valve using aluminum alloy material, come with stable performance and durable 1 x Rotary Lever Hand Valve1 x Handle Item Type: Rotary Lever Hand ValveMaterial: Aluminum alloy Model 4HV330-08 4HV330-10 Way of working Air Connecting pipe caliber G1/4 G3/8 Effective cross sectional area 30mm²(Cv= 1.67) 33mm²(Cv= 1.83) Number of digits 3 Position 4 way Lubricating No lubrication required Operating pressure range 0- 1.0MPa (0-145psi) Ensure pressure resistance 1.5MPa (215psi) Operating temperature -20~70℃ Working angle 45°