... . 3.Easy to implement remote control. Two Way Pneumatic Water Flow Control Valve Main Technical Parameters DN ... 21387212517127338551394114552226359551367363--Rated stroke90adjustable range100 :1PNPN 1.6,4.0,6.4,11MPa; ANSI 150,300,600LB; JIS 10 ... and so on.Air connection Rc 1/4",G1/4",G3/8",G1/2"Design Manafacfure standard ... T 12221-2005Flange StandardJB/T 79.1~79.4-1994,GB/T 9113-2000, ANSI,JIS,DIN ...