Wafer Butterfly Valve
Aug 14, 2008
Seat:metal or PTFE, size:50-1200mm, pressure:1.0-2.5Mpa, operated type :lever, gear box, electric, pneumatic
Butterfly valves: manufacture and testing according to the international
standards such as ANSI, DIN and national standards, BS, and.....
ZHEJIANG GUANLI VALVE CO., LTD.