Modification of valve inspection station

After the completion of the shut-off valve assembly, it is necessary to perform leak detection on the valve casing, the valve disc seal, the middle port joint surface and the packing one by one. The original valve inspection of our factory is shown in Figure 1. Press the valve to be inspected on the workbench, close the valve, fill the inlet with pressurized water or compressed air, and observe whether there is water or air bubble overflow at the valve outlet. Also check the valve outlet when inspecting the housing, the middle joint surface and the packing. If

Nasal Swab Covid Test

The COVID-1 box of 9 common methods and rapid runny nose detection reagents are used for detection, the purpose is to determine the symptoms of SARS-CoV-2 infection simply and quickly, and it can sensitively determine the detection method of early infected people, which can be used for detection.
Virus-coronavirus twins such as SARS-CoV-2 need to be tested, and the test only takes 15-20 minutes.

The product is automatically produced and packaged in a 100,000-level purification workshop, and the shell is sterilized with 75% alcohol.

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