Under what circumstances should a safety valve be installed at the pump outlet?
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As the title suggests, under what circumstances should a safety valve be installed at the pump outlet? Is there a design basis?
Typically, a safety valve is provided at the outlet of a metering pump along with the pump
r Positive-displacement pump, high-pressure centrifugal pump
It’s not added at the pump outlet, but at the point of use!
At the outlet of the centrifugal pump, some have it while others do not
Is it related to the pump outlet pressure? What level of outlet pressure requires addition?
Safety valves are usually installed on pumps for saturated liquids that are prone to vaporization. For other supercooled liquids, installation is generally not required.
A safety valve is used to release pressure; it depends on the user’s operating environment, and a safety valve must be installed if pressure release is necessary
It should be clear that the problem is rather vague. Pumps, including positive displacement pumps and centrifugal pumps. It is necessary to install a safety valve on non-centrifugal pumps. In the case of centrifugal pumps, based on their operational principles, it is not necessary to install them for unsaturated liquid media.
Centrifugal pump, high-pressure propylene recovery tower top reflux pump for polypropylene plants, temperature 40°C, tower pressure 1.8 MPa； What is the purpose of installing a safety valve at the pump outlet?
Safety protection: high pressure is directed back to the inlet or to the flare to protect the pump.