In order to solve the problem of insulation performance degradation caused by water tree aging of cross-linked polyethylene (XLPE), a self-healing method of XLPE material based on microcapsule system ...

We can produce 50,000 pcs per month. With over 16 years experience and efforts, our Walpa products has diversified into wide range of selections to meet customers' needs which include Peripheral Pumps ...

This is a centrifugal pump with the function of self priming, also the impeller is open, so it can allow the solids and particles pass. It is also called NS pump in some companies' catalogues. The ...