High pressure cleaning device has pump head, which has external housing and interior housing whereby external housing is made of metal and flow channels for formation of suction and pressure pipe

摘要

The device has the pump head (30), which has an external housing (37,51) and an interior housing (38,52). The external housing is made of metal and flow channels for the formation of the suction and the pressure pipe (42,55,43,58). The interior housing consists of plastic, which are injected into the flow channels of the external housing.