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There are many domestic manufacturers of gate valves, and most of the connection sizes are not uniform. It is mainly divided into the following categories

The article is mainly introducing the content of selection Criteria For Check Valves

ISO5211 is an important standard set by the International Organization for Standardization (ISO) for connecting valve actuators to industrial valves. Its main goal is to make sure that part-turn valves (like butterfly valves and ball valves) and actuators are compatible and can be easily interchanged worldwide. The standard clearly defines the dimensions of flange connections, torque requirements, hole patterns, and drive structures.

The butterfly plate of the butterfly valve is installed in the diameter direction of the pipe. The butterfly valve has a simple structure, small size, light weight, only a few parts, and only needs to rotate 90° to quickly open and close, simple to operate, and the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the thickness of the butterfly plate is the resistance of the medium when it flows through the valve body, so the pressure drop generated by the valve is very small, so it has good flow control characteristics.

The article is mainly talking about the features Of Butterfly Valves

When using the butterfly valve, if meet the operation problem, the sheet on the below can be a reference. If you have more question, please contact us, our team will help with.