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The plug valve is a quick opening and closing valve. Plug valves are suitable for multi-channel structures, so one valve can obtain two, three or even four different flow channels. This can simplify the design of the pipeline system, reduce the amount of valves and connecting fittings. Plug valves can be divided into soft seal and hard seal structures according to different sealing materials. 1. L...
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In the process of using the valve, we will encounter various working conditions, such as high temperature and low temperature. In this case, how should we choose the valve? 1. High Temperature Conditions When selecting valves, it is necessary to consider using shell materials and internals materials with high temperature strength, such as austenitic stainless steel valve and bidirectional sta...
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The biggest difference between the ball valve and the butterfly valve is that the opening and closing parts of the butterfly valve are a plate, while the ball valve is a ball. Characteristics of Butterfly Valve: 1. Simple structure, low consumption and low cost, but poor tightness and bearing capacity; 2. Quick opening and closing, small flow resistance; 3. It is suitable for making large diameter...
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At present, the gate valves on the market have a general sealing performance, and the phenomenon of water leakage and rust is common. The soft seal gate valve overcomes this disadvantage. The soft seal gate valve achieves a good sealing effect by making use of the compensation function of the elastic wedge to produce a small amount of elastic deformation. Common Sense of Installation and Maintenan...
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Soft seal gate valve is a common industrial valve. The opening and closing part of soft seal gate valve is a wedge. The direction of movement of the wedge is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. When manufacturing soft seal gate valves in batch, the following performance tests should be carried o...
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The working principle of the forged steel ball valve is to make the valve unblocked or blocked by rotating the valve stem. The ball valve is easy to switch, small in size, can be made into a large diameter, reliable in sealing, simple in structure, convenient in maintenance, and the sealing surface and spherical surface are often in a closed state, which is not easy to be eroded by the medium, and...
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