... :DN8~DN50 Pressure:1.0~2.5(MPa) The ball valve is simple structure, small volume, light weight, small flow resistance ... , good effect in energy saving. fluid into or out of the valve orientation, with optional. horizontal line, vertical pipe can be ... ANSI, JIS, DIN and BS stainless steel flanges with variety of specificationsin WN, SO, SW, TH(STF), BL, PL, and LJ ...