Why is the impeller of 2BV water ring vacuum pump grinded?

We found that many enterprises reflect that the impeller of 2BV water ring vacuum pump will be damaged due to friction with the disc
The reasons are as follows:
① The motor shaft moves too much in series
② Unreasonable assembly of impeller and motor shaft
③ The extracted gas contains corrosion, and the motor shaft sleeve is not corrosion-resistant
④ There is no annealing difficulty for the disk, and it is deformed for a period of time
2bvf water ring vacuum pump produced by Foshan Vacuum Pump Factory Co., Ltd.:
① Wannan special motor is adopted and strictly tested before leaving factory (motor shaft is well matched)
② Impeller and shaft adopt strong tension account set to ensure long-term use
③ 304 stainless steel shaft sleeve is used in corrosive occasions, which can completely withstand corrosive working environment
④ All parts are annealed for durability and no deformation
⑤ Before leaving the factory, we have passed the professional and strict test to ensure the high quality of products

Newest SV-020 Specially designed for packaging machines

Paper-ME 2021