worm gear flange type butterfly valve
(worm gear flange type butterfly valve)
Category: Butterfly Valves
1.Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed. 2.Simple and compact construction, quick 90 degree on-off operation. 3.Flow curve tending t ...
Certification : CE, ISO, API,ANSI,CE,TS,DIN, BS, JIS