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Safety Operating Regulations for Pressure Test Pumps


1. Pressure test should be carried out strictly in accordance with the requirements of pressure test. The pressure test pieces should be neat, clean and easy to test.
2. Before pressure test, check the electrical system and grounding condition, check the pressure gauge, check the operation and lubrication of the pressure test pump, and the maximum degree of the pressure test gauge should be no less than 1.5 times of the test pressure.
3. In preparation for pressure test, the position of intake and drain should be arranged. When pressure test is filled, the exhaust holes should be opened first, and the pressure gauge should be unloaded to make the air in the container clear. When the exhaust holes and the nozzle of pressure gauge are discharged, the meter should be installed and the exhaust holes should be closed.
4. The pressure boost must be slow and no overpressure is allowed. No hammering is allowed after the pressure is raised to a certain level. If defects are found in the test pieces and pipelines, the pressure should be lowered to zero before treatment, and no pressure work is allowed.
5. Negative pressure, low pressure test pieces, small containers can be boosted to a certain pressure at a time, pressure-holding inspection. Large volume specimens can be boosted and inspected in stages.
6. Pressure test pieces must be placed smoothly, and the pressure test parts must not leak through inspection.
7. After pressure test, water should be released, unloaded before bolts are removed. After pressure test in winter, water must be released immediately to prevent frost damage of equipment.
8. Fastening bolts should be uniformly loaded to prevent local deformation and rupture.
9. Pressure test pumps should be operated by specialists. Each pressure test must be carried out by more than two persons, and a specialist commander should stick to his post before releasing water.
10. Mark the defect and fill in the pressure test record.


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