HH46X,HH48X, HH49Xmicro-barrier closed butterfly chock valves can be used in water, sewage, sea water and other media on the drainage pipeline, not only to prevent the reverse flow of media, but also to effectively limit destructive water hammer, to ensure the safe operation of the pipeline.
The utility model has the advantages of novel structure, small volume, light weight, smal fluid resistance, reliable sealing, stable opening and closing, wear resistance, long service life, oil pressure and slow closing are not affected by medium, and better energy saving effect.
