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Design, analysis and fabrication of hydro fixture for testing of 32” and above size valve
Department of Mechanical Engineering, PRIST Deemed to be University, Vallam Thanjavur, Tamilnadu, India.
Research Article
International Journal of Science and Research Archive, 2023, 08(01), 1039–1049.
Article DOI: 10.30574/ijsra.2023.8.1.0170
Publication history:
Received on 03 January 2023; revised on 14 February 2023; accepted on 17 February 2023
Abstract:
A hydrostatic test is a way in which pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks. The test involves filling the vessel or pipe system with a liquid, usually water, which may be dyed to aid in visual leak detection, and pressurization of the vessel to the specified test pressure. Pressure tightness can be tested by shutting off the supply valve and observing whether there is a pressure loss. The location of a leak can be visually identified more easily if the water contains a colorant. Strength is usually tested by measuring permanent deformation of the container. Hydrostatic testing is the most common method employed for testing pipes and pressure vessels. Using this test helps maintain safety standards and durability of a vessel over time. Newly manufactured pieces are initially qualified using the hydrostatic test. They are then re-qualified at regular intervals using the proof pressure test which is also called the modified hydrostatic test .Testing of pressure vessels for transport and storage of gases is very important because such containers can explode if they fail under pressure. Hydrostatic tests are conducted under the constraints of either the industry's or the customer's specifications, or may be required by law. The vessel is filled with a nearly incompressible liquid - usually water or oil - pressurized to test pressure, and examined for leaks or permanent changes in shape. The test pressure is always considerably higher than the operating pressure to give a factor of safety.
Keywords:
Dyed; Pressurization; Test pressure; Valve; Colorant; Pressure vessels; Hydrostatic test; Operating pressure; Factor of safety
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Copyright © 2023 Author(s) retain the copyright of this article. This article is published under the terms of the Creative Commons Attribution Liscense 4.0
