Set pressure of safety valve for liquefied gas cylinders
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Safety valves are to be installed on the newly built spherical tanks. The set pressure for the butane spherical tank’s safety valve is 0.7 MPa, while that for the propane spherical tank is 1.7 MPa. I believe this value is too low, as the set pressures for similar tanks that I have worked with in the past were 0.79/17.7 respectively. I need an expert to help answer this.
It is too low; the setting pressure of the safety valve should be greater than or equal to the design pressure. The design pressure for the propane storage tank should be 1.77 MPa.
Yeah, I think the same way. But the safety valves have already been purchased; I’m not sure if this will have a significant impact on the operation of the spherical tank in the future
Ours is 0.79/1.77
The set pressure of the safety valve should be less than or equal to the design pressure of the spherical tank or pressure vessel; BlueSky, you need to study more! ! !
This post was last edited by Lantian on 2017-1-20 at 14:43. Yes, it should be no greater than the design pressure, under normal circumstances. The criticism is correct.
The setting pressure of the safety valve should be greater than or equal to the design pressure
The set pressure of the safety valve shall not exceed the design pressure, but it must also be above the normal operating pressure. Typically, the operating pressure for butane is not usually higher than 0.4, and that for propane is not higher than 1.2; therefore, the impact of this fixed pressure value is not significant.
Slightly below the design pressure; generally, the design pressure for propane is 1.8 MPa