A kind of test system and test method of LNG cylinder multifunctional valve for vehicle
A multi-functional valve and testing system technology, which is applied in the testing of mechanical components, testing of machine/structural components, liquid tightness measurement using liquid/vacuum degree, etc. It can solve the problems that the test cannot be completed normally
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[0066] A vehicle LNG gas cylinder multi-function valve testing system, including such as figure 1 The test fixture shown, as figure 2 The gaseous test system shown, as image 3 The liquid test system shown, as Figure 4 damper plug shown, and Figure 5 The shown multifunctional valve 20 etc. are formed.
[0067] Such as figure 1 As shown, the structure of the test tool is mainly composed of a platen 21, a circular mounting plate 22, a gas phase joint 23, a liquid inlet joint 24, and a liquid outlet joint 25. There are 3 sinks on the upper circular mounting plate 22. There are 6 threaded holes on the circumference for installing multi-function valves, and the lower three threaded joints are used to connect the test system.
[0068] Such as figure 2 Shown, gas test system is made up of gas cylinder 31, stop valve 32,38,39,42, pressure gauge 33,35,41, pressure reducing valve 34, thermometer 36, safety valve 37, small gas cylinder 40 forms. It is mainly used for testing t...
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