Is it necessary to install emergency vent valves on liquefied hydrocarbon spheres?

2022-11-10View Original

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Is it necessary to install emergency vent valves on liquefied hydrocarbon spheres?

Reply #22022-11-10

Should we consider adding it for SIS venting?

Reply #32022-11-12

The emergency vent valve cannot be operated manually. If it’s manual, it’s not considered an emergency. Emergency vent valves should be installed in conjunction with emergency shut-off valves, and there are requirements regarding the time it takes to open or close them: 5 seconds for valves with a diameter of <DN65, and 10 seconds for those with a diameter of >DN50.

Reply #42022-11-14

Safety valves are available, one in use and one as a spare

Reply #52022-11-16

According to the petrochemical regulations, it must be installed; otherwise, the inspection will not be passed!

Reply #62022-11-16

Since you’ve already found the relevant regulations, you must follow them; add it. Don’t go against the standards.

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