| 摘要 |
A two-way check valve includes a sleeve, a connection head, a valve stem eject-rod, a first valve body, a second valve body, a first pressure adjustment module, a second pressure adjustment module and an intake connector. The sleeve is threaded over the valve stem eject-rod and the intake connector at opposite ends thereof, respectively. The connection head is disposed at the valve stem eject-rod. The sleeve has a first sleeve portion and a second sleeve portion. A first receiving chamber and a second receiving chamber are respectively defined in the first sleeve portion and the second sleeve portion. The first receiving chamber receives the second valve body therein. The second valve body is defined with a receiving room therein for receiving the first valve body and the first pressure adjustment module. The second receiving chamber receives the second pressure adjustment module.
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