It is not safe to use the quick connector on the universal filling arm

Universal filling arm, scientific name: Loading& Unloading Arms, which should all be composed of steel pipes, joints, rotary joints, valves, emergency safety disconnect valves, etc. belonging to pressure piping components, which can be used for hazardous chemicals The transportation of liquids such as, energy, and easily liquefied gases provides a safe and reliable guarantee.

If quick couplings, quick couplings, and quick couplings that are not components of pressure piping are installed on the universal filling crane pipe, non-safety components are added, which brings safety hazards.

Quick couplings, quick couplings, and quick couplings are used on the universal filling crane pipes with safety pull-off valves. If the tanker slips or drives by mistake, the universal filling crane pipe is pulled. The pull-off force may be lower than the pull-off force of the safety pull-off valve, and the quick connector may fall off and leak first when the pull-off force is applied, which offsets the pull-off/cut-off safety function that the safety pull-off valve should perform, and creates a safety hazard.

It can be seen from practice that quick couplings, quick couplings, and quick couplings may not only fall off the pipe connection due to the operator’s failure to fasten the wrench, but even when the wrench is fastened, it will be caused by the wrench. Wear and tear with the card slot, or force pull off purely due to pipeline pressure or internal and external mechanical forces. See "Quick Coupler"

Therefore, the universal filling crane pipe used for the transportation of hazardous chemicals, energy and other liquids and easily liquefied gases, scientific name: Loading& Unloading Arms, should all use components belonging to pressure pipeline components, including Connect the connectors.

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