KATEGORI

12-17 What are the provisions for the pressure setting of the safety valve of pressure vessels in the "Regulations on Safety Technical Supervision of Pressure Vessels"?

Safety valve settings for pressure vessels: One valve should not exceed design pressure, multiple valves can be up to 1.05x design pressure. For mobile vessels, the opening pressure is 1.05-1.10x design pressure, with discharge up to 1.2x and return not below 0.8x opening pressure.

Butiran Kes

Answer: (1) When only one safety valve is installed on a fixed pressure vessel, the opening pressure P_Zof the safety valve should not be greater than the design pressure P of the pressure vessel, and the sealing test pressure P_tof the safety valve should be greater than the maximum working pressure P_Wof the pressure vessel.

(2) When multiple safety valves are installed on a fixed pressure vessel, the opening pressure of one safety valve should not be greater than the design pressure of the pressure vessel, and the opening pressure of the remaining safety valves can be appropriately increased, but shall not exceed 1.05 times the design pressure.

(3) The opening pressure of the safety valve of a mobile pressure vessel should be 1.05~1.10 times the design pressure of the tank body, the rated discharge pressure of the safety valve shall not be higher than 1.2 times the design pressure of the tank body, and the return pressure shall not be lower than 0.8 times the opening pressure.

Sebelumnya

12-16 What are the provisions for periodic inspection of pressure vessels in the "Regulations on Safety Technical Supervision of Pressure Vessels"?

Seterusnya

12-18 What are the provisions for the periodic inspection of pressure vessel safety doors in the "Regulations on Safety Technical Supervision of Pressure Vessels"?

DIVERSITY OF EXPLORATION

OUTDOOR SCENE

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