Aluminum alloy gas cylinders in semi-trailers are primarily used to store compressed air, providing the power source for vehicle braking systems, pneumatic auxiliary devices, and more. The "2-hole" design typically serves the following specific purposes:
- Intake and exhaust: One port may connect to the air compressor, designed to receive compressed air (inlet); the other port connects to the downstream pneumatic system (such as brake lines, air control valves, etc.), delivering compressed air (outlet) to enable the air reservoir's "store-and-supply" function.
- Accessibility interface: In some cases, the two holes may serve distinct functions—one as the main passage and the other for auxiliary purposes. For example, one hole could be used for normal air supply, while the other connects to a safety valve, pressure gauge, drain valve, or similar devices, ensuring the safe operation of the air reservoir or facilitating maintenance.
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Aluminum Alloy Gas Cylinder Semi-Trailer with 2 Holes
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