Regarding the internal valve of tank trucks
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Does anyone know what the internal valve of a tank truck is? Is it a breathing valve thing? Or a safety valve? Or valves with other functions? What is this internal valve specifically used for? What principle?
The term \"inner valve\" is your own designation (it’s necessary to know its specific function in order to determine what kind of valve it is). As far as I know, CIMC’s design includes valves for loading and unloading, as well as a rupture disc that serves to ensure the safety of the storage tank by preventing overpressure or explosion in case of excessive flow.
There are many types of internal valves; which type of internal valve are you referring to? The internal valve at the upper tank opening refers to the split-tank valve, while the internal valve in the unloading vehicle is designed to function under pressure during oil unloading; an internal valve without pressure cannot be opened. The internal valve at the lower discharge port functions in a similar way to that used for unloading; it serves as an emergency shut-off valve, just like in pressure tank trucks.