Is a valve necessary in front of the pump?
Thread Content
Is a valve necessary before the pump inlet? What kind of valves are generally used?
It is necessary for maintenance and starting/stopping pumps; generally, ball valves, globe valves, and gate valves are all suitable, depending on the properties of the material.
It is necessary in light of the actual circumstances
Take a look at others' discussions; it’s great. http://bbs.hcbbs.com/viewthread.php?tid=107705
The pump inlet is connected to the material outlet, and a valve must be installed at the material outlet. It is not necessary to use a valve if there is only one pump, but valves are required for control when one material outlet is connected to multiple pumps. Generally, valves are installed at both the inlet and outlet of the pump so that it can be disconnected from the piping system during maintenance. It depends on the type of pump; submersible pumps are not needed in this case, and a foot valve at the suction inlet of a pump is sufficient.
No pump can ever remain without maintenance; it is necessary to install valves, and usually globe valves are used, as they are one-way valves
Valves are installed both before and after the pump. Generally, there is a gate valve at the pump inlet, and at the pump outlet there is a stop valve as well as a gate valve, making two valves in total. :)
Valves must be installed at the pump inlet; except for vertical submersible pumps, the type of valve is selected depending on the material.