Installation Precautions
(1) Where the installation of the oxygen valve is strictly degreased in contact with oxygen, after degreasing, it is blown off with dry air or nitrogen without oil.
(2) Welding should be argon arc welding or arc welding.
3. Operational precautions
(1) When switching the oxygen valve, it should be carried out slowly. The operator should stand on the side of the valve and open it once in place.
(2) It is strictly forbidden to blow the pipeline with oxygen or test leaks with oxygen.
(3) Implement the operating ticket system and make detailed explanations and regulations on the purpose, method and conditions of the operation in advance.
(4) Manual oxygen valves with a diameter greater than 70 mm are allowed to operate when the pressure difference between the front and the back of the valve is reduced to within 0.3 MPa.
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