Protective clothing spray spray liquid tightness experimental device precautions

1. Because the indicator liquid container has a certain distance from the nozzle, a trial run process is required before the formal test so that the entire pipeline is filled with the standard indicator fluid.
2, the instrument needs to be used in the laboratory environment. When the ambient temperature is lower than 4 °C, the vortex pump and the intelligent turbine flow meter will not guarantee normal use!
3. The speed of the motor driving the dummy was adjusted to 1 rpm.
4. When the instrument is not in use for a long time, please clean the pipeline with pure water (repeat the test step) to thoroughly clean the pipeline.
5. In case of emergency, please quickly press the emergency stop button and cut off the total power. Remove the fault and turn it on again.
6, when the injection test should be adjusted from small to large pressure to the standard requirements! It is forbidden to close the water valve completely before pressing the "spray" to prevent the pressure from being excessive and the tubing from breaking.
7, must use the three-pin socket with grounding and leakage protection switch to prevent the risk of electric shock!
8. There will be a certain delay time from the start of the test until the pressure and flow rate are normal. The test personnel shall add the corresponding delay time when setting the test time. Suggested time: The lag time for slopping is 2 to 3 seconds. The lag time for jetting is 5 seconds. Before spraying the dummy, please first spray into the barrel, pressure is normal, and then spray the dummy.
9, the medium should be transported at room temperature, clean, non-corrosive, solid impurity volume ratio of not more than 0.1%, the particle diameter of not more than 0.2mm liquid, the PH value between 6.5-8.5.
10. When the instrument malfunctions, it should be installed and maintained by personnel skilled in this manual and with professional skills.
11. If it is found that the amount of water discharged from the water pipe becomes small for a long time, and the pressure of the pressure gauge flow meter cannot be reached, check whether there is any clogging of the filter in the pipeline.
12. It is strictly forbidden to spray any solution on the water pump and the related water and wiring lines!
Liquid recovery device precautions:
1, yellow-green line is only used to connect the signal in the normal operation of the device, its zero voltage, no danger! Place the other end of the tank in the bottom of the level recovery tank, below the low level switch! If this line is placed incorrectly, the recovery device may malfunction or fail to operate.
2. When liquid flows into the liquid recovery tank, please supply power to the liquid level recovery device in time. When the liquid recovery device is not used for a long time, unplug the power plug of the controller.
3. Never spill any liquid into the electrical control box of the liquid recovery unit!
4. Pull the test liquid pump mouth to be placed vertically with the tank body. Let the pump water pump mouth be at the lowest end of the test liquid tank body. Please check the position before use.

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