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、 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 thousand opening/closing
operations.
6、 Bubbles-tight sealing with no leakage under the pressure test.
7、 Wide selection of materials, applicable for various medium.

Usage：
The product is suitable for throttling or shutting off the flow of corrosive or incorrosive gases, liquids, semiliquids and solid powder, and can be installed in any selected position in pipelines or on vessels in the industries of petroleum processing, chemicals, food, medicine, textile, paper making, hydroelectricity engineering, ship building, water supply and sewage, metallurgy, energy engineering as well as light industry etc.