Must on-site level gauges for chemical storage tanks be equipped with double valves or plug plugs?

2018-12-18View Original

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I have a question for everyone: Do on-site level gauges in chemical storage tanks necessarily require double valves or plug plugs? If so, which standard requires it? I would appreciate your advice.

Reply #22018-12-29

Code for Fire Protection Design of Petrochemical Enterprises GB50160-2008 7.2.8 Two drain valves shall be installed at the lowest point of combustible gas pipelines that are in continuous operation; the liquid discharged therefrom shall be sent to a closed system； For drain valves used only during startup and shutdown, a single valve can be installed along with a plug, pipe cap, blind flange, or flange cover.

Reply #32019-01-17

I’m just worried that if a valve leaks, there won’t be any way to deal with it

Reply #42020-01-19

Is 7.2.8 applicable to combustible gas pipelines with continuous operation, and to on-site level gauges?

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Must on-site level gauges for chemical storage tanks be equipped with double valves or plug plugs?

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