Stacked gate, also known as stacked beam valve, stacked beam door is the use of multiple separate gate, each block transversely into the door slot stacked into a flat water retaining structure. Girder gate to rely on their own weight and rubber water stop to achieve the purpose of sealing. Generally consists of more than two overlapping gate made of. In the next gate or gate, a block into a piece or taken out, the use of lower frequency, but the overall light, not easy to deformation, even if idle for a long time before use, to ensure good water stop, water leakage. The height of each ram must be the same, each block is basically the same shape, each block has raised and groove (or mouth), bumps and grooves inlaid with water tape, so that can be stacked one by one Get up to the level you need, with little or no leakage. Each ram also has two pull rings, easy to drop or remove. Slotted steel plate folded into [trough shape, and the channel embedded steel welded installation. Rely on the stack brake installed on the spring and the role of water pressure, water tight rubber seal with the gate close fit, sealing effect is good.
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