Gate Valve 3d

In choosing the valve body material, should be based on different uses and different pressure levels, to determine the valve body material suitable for working conditions.

After the valve is used for a long period of time, the sealing surfaces of the valve disc and the valve seat will wear out and the tightness will be reduced. Repair sealing surface is a large and...

Valve usually consists of valve body, valve cover, valve flap (gate), valve seat, valve stem, heat sink, packing and driving parts (hand wheel, gear box or pneumatic device, electric device, etc.).

Causes 1. cast iron casting quality is not high, the valve body and the valve body with trachoma, loose tissue, slag and other defects 2. Day cold cracking; 3. Poor welding, there is slag, welding,...