The selection of solenoid valve should first follow the four principles of safety, reliability, applicability, and economy in order, and then according to the ...
The valve stem is reliable in sealing. Because the valve stem is only used for imitating rotation and not lifting, the packing seal of the valve stem is ...
The maximum stem diameter allowed by the electric butterfly valve device cannot pass through the stem of the equipped valve. Stem diameter: for multi-turn type ...
Precautions for the rotary vane vacuum pump for distillation and recovery are divided into factors such as the selection of the vacuum pump, the size of the ...
Nominal diameter: (nominal diameter), also known as the mean outside diameter, represents the symbol DN, which is the general diameter of various pipes and ...
The correct selection of valve model and specifications requires understanding of the method of preparing vacuum valve models; the method of preparing vacuum ...
Interpretation: The electric butterfly valve, also known as the electric valve, is equipped with an electric actuator on the butterfly valve to form an ...
Ordinary electric butterfly valve is an angular displacement valve whose angular displacement is proportional to the input current. Therefore, its mathematical ...
Ordinary electric butterfly valve is an angular displacement valve whose angular displacement is proportional to the input current. Therefore, its mathematical ...
Disassembly Keep the valve in a half-open position to flush and remove dangerous substances that may exist inside and outside the valve. Close the ...
1. The thrust bearing reduces the friction moment of the valve stem, which can make the valve stem operate smoothly and flexibly for a long time. 2. ...
The ball valve is mainly used to cut off or connect the medium in the pipeline, and can also be used for fluid adjustment and control. Compared with other ...