There are those kinds of select diaphragm pump valve body

diaphragm pump pump body type selection and the selection of the valve diaphragm pump is one of the most important link in. Diaphragm pump valve body types have a lot of, we commonly used is through single-seat, pass-through two-seater, sleeve, spherical, angular, diaphragm, eccentric rotating, butterfly, small flow rate, tee and other 10 kinds of types. Before we choose the valve, to control the process of medium, a detailed analysis of parameters and technology conditions, collect enough data, understand the requirement of system of diaphragm pump, according to the collected data to determine the valve type to be used. In specific choices, can consider from the following aspects:

( 1) Prevent flash flash and cavitation and cavitation produced only in a liquid medium. In the process of practical production, flash and cavitation effect not only the calculation of flow coefficient, still can form the vibration and noise, make the valve life is short, so when choosing the valve should prevent the valve from flash and cavitation.

( 2) Mainly based on the selected valve core shape of flow characteristic and factors such as unbalanced force.

( 3) Corrosion resistance due to the corrosive medium, in the case of can satisfy regulating function, try to choose structure simple valves.

( 4) Wear resistance when fluid medium is suspending liquid containing high concentrations of wear particles, the valve core and valve seat joint friction surface every time shut down severely. So the valve flow to smooth, internal material is hard.

( 5) Medium temperature, pressure, when the medium temperature, high pressure and large, should choose the valve core and valve seat materials by temperature, pressure changes small valves. Diaphragm water pump selection of pump body and the related factors of

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