The current market existing mechanical double liquid grouting pump exist pulse is larger, the original pressure gauge or simple with diaphragm device of pressure gauge can not meet the requirements of stable pressure.

The company technical department after a large number of market research, and professional research institutions, from my company technical requirements, proposes the improvement plan, research and development institutions responsible for the preparation and manufacturing. After more than a year of field use, obtain delectable result. Dial swing is the original hand swinging amplitude of about 1/10, fully meet the requirements of on-site supervision, table at the bottom of the diaphragm can be spaced slurry and instrument internal structure, block table. Now the company is working with the research and development institutions jointly apply for a patent.