1.Two way pneumatic water flow control valve. 2. ... Fixed ball Rated Cv 21387212517127338551394114552226359551367363--Rated stroke90adjustable range100 :1PNPN 1.6,4.0,6.4,11MPa; ANSI 150,300 ... action equipments,hand wheel and so on.Air connection Rc 1/4",G1/4",G3/8",G1/2"Design Manafacfure ... StandardJB/T 79.1~79.4-1994,GB/T 9113-2000, ANSI,JIS,DIN Note:working pressure,work temperature,Nominal diameter, ...