Tightness test pressure vessel requirements
1. Tightness test pressure vessel requirements of medium to extreme toxicity, a high degree of hazard or design does not allow micro-leakage of pressure vessels, air tightness test must be carried out.
2. Tightness test pressure vessel requirements of air-tightness test after passing the test should be conducted in the hydraulic. Design requirements for the design air pressure test of pressure vessels, the need to do the leak test should be specified ondesign drawings.
3. Tightness test pressure vessel requirements of carbon steel and low alloy steelpressure vessels, gas temperature of the test should not be less than 5 ℃; other materials, pressure vessels according to the provisions of the design drawings.
4. Pressure vessels for air tightness test, safety accessories should be installedcomplete.
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Keywords: reactor, heat exchanger, pressure vessel
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