Essay On Hydrostatic Test
Below is the list the steps to be taken in carry out the hydrostatic test:
1. Identify the design pressure the pipeline to be tested.
2. For hydrostatic test, the test pressure should be 1.5 times the design pressure.
3. Examine all the connections prior to the test to ensure proper tightness.
4. Determine the pressure rating for all connected fittings and devices to ensure they are rated for the maximum test pressure.
5. Isolate any equipment that may be damaged by the test and indicate this isolation on the test form.
6. Secure a blind flange or cap suitable for the system’s rated pressure on all openings that are not closed off by valves.
7. Plug all test, drain, and vent ports that are not required for the test.
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13. Hold the pressure for at least 20 minutes or as specified by the project engineer. 14. Obtain confirmation of a successful test by an appointed inspector.
15. Remove the pressure, with caution to avoid escaping fluid and debris. 4.9.2 Pneumatic Test
Below is the list of the steps to be taken in carry out the pneumatic test:
1. Identify the design pressure the pipeline to be tested.
2. For pneumatic test, the test pressure should be 1.1 times the design pressure.
3. Examine all the connections prior to the test to ensure proper tightness.
4. Determine the pressure rating for all connected fittings and devices to ensure they are rated for the maximum test pressure.
5. Isolate any equipment that may be damaged by the test and indicate this isolation on the test form.
6. Secure a blind flange or cap suitable for the system’s rated pressure on all openings that are not closed off by valves.
7. Plug all test, drain, and vent ports that are not required for the test.
8. If the section of pipe being tested is isolated from other sections by in-line valves, ensure the portion not being tested is open to the
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