Adopts two-stage rapid pre-pressurization and pressure boosting adjustment, with a highly integrated all-in-one design. A quick sewage discharge and cleaning interface is designed on the bottom surface. It features a simple structure, high reliability, easy operation and maintenance, and low leakage tendency. The pressure boosting adjustment adopts a unique design, enabling easy adjustment to the pressure required by users. It has a wide pressure adjustment range and ensures stable pressure boost and reduction.