The equipment is mainly used for the sealing test and functional test of the product assembly and shell cavity in the water pump industry; the test system adopts the man-machine interface system; customized high-performance PLC; high-precision IO data acquisition module; Yadeke and SMC pneumatic components; parameter modular combination and call; automatic sealing and sealing of workpiece cavity; through intelligent sensor module, air tightness Detection module, flow detection module, voltage detection module, current detection module, etc. test the sealing and functional properties of products, and intelligently judge the product test result data. The test results and data are stored through the human-computer interface, which is convenient for customers to analyze the product quality, and improve the follow-up traceability of products. The fixture is easy to operate, easy to replace, reduce labor intensity, greatly improve production efficiency and product quality;