... , 1.0Mpa, stainless steel, brass and PVC. Motorised ball Valve, 1/2" to 1-1/4", IP67, ... steel, brass and PVC.Features: Mini dimension suits for small equipment Patented technology-floating seal structure IP67 and ... 4 inches, full port metal ball valve 1/2 to 1 inches plastic ball valve Material: brass, stainless steel ... Circumstantce Pnematic valve can not worked electric ball valve 2way for watertratment