The sealing performance of the valve is an important factor to ensure the safety of valve operation. Therefore, a sealing test must be performed when the valve is installed, maintained or replaced. The main methods for valve sealing test are water pressure test, air tightness test, diving test, etc.,

The sealing performance of the valve is an important factor to ensure the safety of valve operation. Therefore, a sealing test must be performed when the valve is installed, maintained or replaced. The main methods for valve sealing test are water pressure test, air tightness test, diving test, etc.,

CCTV Beijing reported on May 23 that according to the China Manned Space Engineering Office, the Shenzhou-16 manned spacecraft and the Long March-2F Yao-16 carrier rocket combination were transferred to the launch area on the 22nd, and it is planned to launch at an opportune time in the near future

Y-type strainer is an indispensable filter device for the pipeline system of conveying medium. Y-type strainer is usually installed at the inlet of pressure reducing valve, pressure relief valve, fixed water level valve or other equipment to remove impurities in the medium. , to protect the normal use of valves and equipment.