Factory best selling China Flanged Centerline Di Disc Flange 4 Inch Butterfly Valve Swing Check Valve Nrv Valve
Short Description:
Silmdisc buttertly valve is developed besed on the wafer butterfly valve and advanced technology introduced from foreign country. In addition to the feature of the wafer butterfly valve.
It has strong corrosion resistance and no pin,This product is stitable for throtting off
