【Test items】
The pressurization medium of the oxygen pressurization system is medical pure oxygen with an oxygen concentration of not less than 98%. 18 1.3L gas cylinders are pressurized each time, and the pressurization time from 6MPa to 22MPa is ≤15min. (Original cylinder pressure is calculated according to the supply of 6-7MPa). The maximum pressurization pressure of the system is 30MPa, and the working pressurization pressure is 22MPa without electricity. Equipment requirements: The whole system is free of oil and sparks. All pipes, fittings and valves (except drive pipes) in the oxygen pressurization system are professionally treated, and dried and packaged with dry high-purity nitrogen. All instruments (except the driving pressure gauge) have been calibrated by the relevant department. The instrument itself ban oil. The materials comply with relevant standards.
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