1. Cast steel body, pressure balance type, inverted cock structure, grease seal;

2. As the sealing surface of the valve body cavity and cock by precision machining, grinding and hand grinding;

3. The sealed surface is treated with special anti-friction/high-wear coating;

4. When the product needs to be buried, the valve stem lengthening device can be provided, and the grease injection device and auxiliary structure can also be lengthened through the built-in pipeline;

5. Locking device in opening and closing position can be provided;

6. According to the IS05211 standard, manufacture the driving device connection interface, pneumatic, electric, gas-liquid linkage and other driving modes for users to choose.