... /4"OD-1"OD 3,pressure:6000psi float valve 1,drawing and technical parameters2,several ... types can be chosenstainless steel float valve The selection of the needle valve: ... and other corrosive or noncorosive medium5) The material for manufacture: 20#, 1Cr18Ni9Ti, 304, 316, 316L, etc6) ... The demands for fitting pipes: φ4 toφ25 9) Safe, ...