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Structural Difference between Gate Valve and Ball Valve

Release time:2019-06-29sentiment:93

What are the differences between stainless steel ball valve and stainless steel gate valve? According to the shape, we can see that the opening and closing parts of stainless steel gate valve are a plate, while stainless steel ball valve is a ball. The disc and spool of stainless steel gate valve rotate spirally around its axis. One of them is called stainless steel globe valve. Stainless steel gate valve and stainless steel globe valve can regulate flow, but stainless steel ball valve is not easy to do this.




The characteristics of stainless steel gate valves are quick opening and closing, and the structure is very simple and easy to use. The stainless steel globe valves have the characteristics of low cost and low tightness, and the pressure bearing capacity is not very good. The characteristics of stainless steel globe valves are similar to those of stainless steel gate valves, but they are limited by volume and opening and closing resistance. Affected by the resistance constraints also make it difficult to achieve large caliber. The structural principle of stainless steel gate valves and the suitable direction of large caliber gate valves are installed pipe diameter, but they can rotate in stainless steel gate valves and cylindrical channels. They have good performance, high cost and excellent sealing effect.




The secret formula of stainless steel ball valves is formed by the extrusion of the valve seat. It must wear faster than stainless steel globe valves. Under the normal use of stainless steel ball valves, the flexible structure is difficult to use the sealing form in high temperature pressure pipelines. Stainless steel gate valves rubber for hemispherical valves and gate valves metal hardware to do sealing far from the place, after long-term use can be generated heat wear, it can continue to use by adjusting the stem and opening and closing process of rotation, leakage and signs at the same time, a little use of bolts, can achieve the goal.


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