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What are the types of boiler hydraulic test? What is the purpose of the hydraulic test?

2020-08-24 09:47    page view:

Guide: The hydraulic test is divided into working pressure test and overpressure test. The purpose of the hydraulic test is to test the strength and tightness of the pressure-bearing parts. Generally, after the pressure-bearing parts are overhauled, such as replacing or overhauling some valves, boiler tubes, headers, etc., as well as the boiler's medium and small repairs, the working pressure test must be carried out.

  The hydraulic test is divided into working pressure test and overpressure test. The purpose of the hydraulic test is to test the strength and tightness of the pressure-bearing parts. Generally, after the pressure-bearing parts are overhauled, such as replacing or overhauling some valves, boiler tubes, headers, etc., as well as the boiler's medium and small repairs, the working pressure test must be carried out. For newly installed boilers, boilers after overhaul, and boilers with large-area replacement heating surface tubes, an overpressure test of 1.25 times the working pressure should be carried out.

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