Removal of sewage pump rust

If Sewage pump placed for a long, it will be very prone to rust, and will impact our normal use. Nanjing Forever Sewage Treatment Equipments Co., LTD. tells you some tips about removing sewage pump rust:
1.If don’t not use in a long time, release water in the sewage pump cavity, and dry pump chamber with a dry cloth. If the inside of the pump chamber is not dry, the pump chamber will rust for a long time.
2.Artificial remove rust will be the least cost with most provincial insurance. We can use our own tools to get rid of the rust, we man-made remove rust, do not need to use other chemical products so that can save some costs. Why is it insurance? Because if use chemical to remove rust, pump cavity will be more or less damaged.
3.Derusting with rust remover: This measure can remove rust completely but pump chamber will be damaged.