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Pressure relief device operating pressure

Nov 19, 2018

If the design pressure of the container is 1.0mpa, 0 ~ +5% manufacturing range and + / - 5% blasting tolerance are recommended, then the minimum and maximum bursting pressure range of the bursting disc is 0.95-1.1mpa.The pressure used for calculation of discharge area is 1.1mpa, which can ensure that the over-pressure of the container does not exceed 10% of the design pressure.

If the manufacturing range is 0 and the blasting tolerance is + / - 5%, the range of the minimum and maximum bursting pressure of the bursting disc is 0.95 ~ 1.05MPa.The pressure used for calculation of discharge area is 1.05MPa. The calculation of discharge area according to this pressure can ensure that the maximum pressure in the container does not exceed 1.05 times of the design pressure.If the device operating temperature for the environment, blasting temperature setting is recommended to 40 ℃, temperature coefficient of 0.95, can ensure maximum burst pressure at room temperature is 1.1 MPa, can ensure the pressure in the equipment will not exceed 10% of the pressure equipment design, meet the requirements.


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