KJD-40W.K22JD-25W series pipe fitting shut-off directional valves2/2 way.Streamlined
structure,reliable action easy (K22JD-40W.K22JD-25W )of maintenance,and especially suited to tough work conditions.(www.hbzhan.cn/products/show/389621 (K22JD-40W.K22JD-25W )Two types:electrically controlled and pneumatical controlled.(K22JD-40W.K22JD-25W )Two