Valve body material scope, the valve material working temperature and pressure range
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.
The valve has been used for a long time, you know how to ensure the sealing of the valve
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 material material, valve material temperature pressure level
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.).
Valve body and valve cover leakage causes and solutions
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,...