Extension rod butterfly valve
The extended stem butterfly valve is a common fluid control device, which is characterized by a long shaft, which can be rotated to adjust the on-off of the fluid. The valve uses a butterfly plate as a shut-off element, through the shaft and the handle or motor connection, to achieve the control of the pipeline fluid.
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Extension rod butterfly valve
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Extension rod butterfly valve
The extended stem butterfly valve is a common fluid control device, which is characterized by a long shaft, which can be rotated to adjust the on-off of the fluid. The valve uses a butterfly plate as a shut-off element, through the shaft and the handle or motor connection, to achieve the control of the pipeline fluid.
The main function of the extended stem butterfly valve is to control the flow and pressure of the fluid, which is widely used in petroleum, chemical, electric power, metallurgy and other industries. Its advantages are simple structure, small size, light weight, convenient operation, and good sealing performance, which can effectively prevent fluid leakage. In addition, due to the long shaft, it can adapt to deeper wellheads, which is convenient for operation and maintenance.
However, the extended stem butterfly valve also has some shortcomings. For example, lengthening the shaft may result in increased torque of the valve at high pressure, making operation more difficult. In addition, the sealing performance of the butterfly plate will also be affected, and leakage may occur under extreme working conditions. Therefore, in the selection of extended stem butterfly valve, according to the specific conditions and requirements of reasonable selection and design.
In summary, the extension rod butterfly valve is an important fluid control device, which has the advantages of simple structure and convenient operation. In practical applications, it is necessary to make reasonable selection and design according to specific conditions to ensure its normal operation and reliability.
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