Cast Iron Worm Butterfly Valves

These Cast Iron Worm Butterfly Valves are 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 temperaturea 120a , nominal pressurea 1.6Mpa.

The main characteristic such as:
1.Novel and reasonable design, special structure, light, Easy instillation and maintenance. It can be mounted wherever needed.
2.Tiny operative moment,quick 90 degrees on-off operation.
3.Minimized operating torque,energy saving.
4.Flow curve tending to straight line.Excellent regulation performance.
5.Long service 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.