Replacement, ventilation and pressure measurement tool for pipeline gas resident user side

• Main Authors: MA PENGTAO, GAO LONGLONG, SUN LIANG, YAN XIANMING, ZHANG ZHUO
• Format: Patent
• Language: Chinese; English
• Published: 06.09.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; PHYSICS; TESTING

The utility model relates to the technical field of gas detection, in particular to a pipeline gas resident user terminal replacement, ventilation and pressure measurement tool, which comprises a main body, a four-way valve and a protective plate, the main body is fixedly connected with the four-way valve, the top end of the four-way valve is fixedly connected with a digital pressure gauge, the right end of the four-way valve is fixedly connected with a steel tee joint, and the protective plate is fixedly connected with the steel tee joint. Through the arrangement of the four-way valve, the one-way valve, the digital pressure gauge, the steel tee joint, the ball valves and the hose, during use, a left port of the four-way valve is connected with a resident user self-closing valve connector, the ball valve at the left end of the four-way valve and the one-way valve and the ball valve at the lower end of the four-way valve are opened firstly, air is injected into a pipeline through a handheld air pump, and the