double offset butterfly valve

Eccentric Half Ball Valve,Ball Valve, Rubber sealed ball valve Eccentric semi-ball in its entirety stiffness, low head loss, and strong anti-pollution decontamination capabilities, advantages, can adapt to high ... อ่านเพิ่มเติม

Eccentric Plug valve,Full Port, Ductile Iron, Zero Leakage,SS Eccentric plug valve mostly used for water supply and sewage systems, is a zero-leakage, moisture damage, maintenance-free, high-life valve, The ... อ่านเพิ่มเติม