Worm butterfly valve is suitable for water supplying and draining,gas pipe as adjust flux and cut off medium in foodstuff,pharmacy,chemical industry,petroleum,electric power,light textile,paper making etc with temperature=120?,nominal pressure=1.6Mpa,the main characteristic such as:
1.Novel and reasonable design,special structure,light, Easy instllation and mintenance.It can be mounted wherever needed.
2.Tiny operative moment,quick 90 degrees on-off operation.
3.Miniminzed operating torque,energy saving.
4.Flow curve tending to straight line.Excellent regulation performance.
5.Long servie life.Standing the test of tens of thousands opening/closing operation.
6.Bubbles-tight sealing with no leakage under the pressure test.
7.Wide selection of materials, applicable for various medeium.
Cast Iron Gerbox Type Butterfly Valve