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2025
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09
What is a truck handshake valve? After reading this article, you will know.
The connection between the trailer and the tractor is divided into two types: one is the connection between the trailer's hitch pin and the tractor's saddle, which serves the purpose of towing the trailer forward; the other is the connection of the air and electrical lines between the two, providing air and power to the trailer, thereby enabling its braking and lighting.
The air lines of the main vehicle and the trailer are connected using quick couplings. The common types of couplings are quick-in valves and handshake valves. Today, the Truck E-Family will introduce you to the handshake valve, named for its resemblance to two hands握接 during coupling.
Due to the impact of the mainline detachable trailers, most trailers on the market are commonly equipped with quick-connect valves. Therefore, even if the tractor is equipped with a handshake valve, most owners will still choose to replace it. Handshake valves are superior in connection reliability, and although they are not as convenient as quick-connect valves for loading and unloading, they win on safety, and the air connection can be completed in less than a minute. Which do you prefer, handshake valves or quick-connect valves? The Truck E-Zhu will continue to analyze this for you in the next issue.
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