1, small, lightweight, easy installation and maintenance, and can be mounted in any position.
2, the structure is simple, compact, 90 ° operation open and close quickly.
3, operating torque, energy saving.
4, to be completely sealed, zero gas leak test.
5, choose different materials, applicable for various media.
6, flow characteristics tend to a straight line, regulated performance.
7, the number of trials open and close as many as tens of thousands of times, and long life.