Hots Keyword: 电动闸阀 电动蝶阀
倒流防止器
FLHS41X Backflow Preventer
FLHS41X Backflow Preventer
FLHS41X Backflow Preventer
FLHS41X Backflow Preventer

The FLHS41X backflow preventer is composed of two check valves and a differential pressure automatic drainage device in series to prevent backflow.


The FLHS41X backflow preventer is added with a drain in the middle on the basis of the ordinary type, so that even if the seals of two check valves are damaged at the same time, it can also prevent backflow pollution.


Technical parameter
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EXTENSIVE USE