... : 5 S(6) The interface 1/2 NPT or 3/4 NPT or M20X1.5(7) Can realize take pressure and detachable ... sub) : the good welding performance of carbon steel, alloy steel or 304 stainless steel;3,Stainless Steel Ball Valve;4,connect ... user: can be installed flag type explosion-proof digital display or electric, light and sound signal source;8,up and ;10,Trigger ...