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  •  check valve

check valve

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產品描述

Check valves rely on the flow of the medium themselves to automatically open and close the valve disc, used to prevent medium backflow, also known as check valves, one-way valves, backflow valves, and backpressure valves.

Note:
1. The purpose of this valve device is to prevent gas backflow when the fan stops running.
2. The scope of this valve device requires that the wind speed in the air duct should not be less than 8 meters per second.
3. The installation method in this drawing is horizontal, and vertical installation does not require a heavy hammer. The installation method should be specified when ordering.

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