Do I need to add a filter before the industrial circulating water pump?
If after cleaning and pre film, the filter blockage will be reduced, and often do not clean, but the import filter is still needed,
In fact, is often blocked because it is an old system, because the system has not been cleaning and pre film, so there are a lot of rust and mud, I want to ask is if after cleaning and pre film, import filter can not be needed.
It is necessary to install the fine filter for the inlet of the pump. It is absolutely impossible to cancel.
The pump inlet does not necessarily have to be fitted with a filter. However, as the landlord said,
