1. Open the torque is small, flexible and convenient, labor-saving and energy-saving.
2. Three-dimensional eccentric structue

Product   feature:

1.Novel design, reasonable and unique structure, light weight , opening and closing fast.

2.Operating torque is small, easy operation, energy dexterity.

3.Any position can be installed, maintenance is convenient.

4.Seal can be replaced, the sealing performance reliable play to  two-way seal zero leakage.

5.Sealing material ageing resistance, corrosion  resistance and long service life etc.

Product standard:

Design standards:GB/T12238-1989 JB/T8692-1998

Flange size:GB/T9115.1-2000

Structure Length:GB/T12221-1989

Pressure test:GB/T13927-1992;JB/T9092-1999