DWB series light single hydraulic prop, FRP single hydraulic prop are the backbone of external fluid for constant resistance type. It is used as temporary support equipment in coal mining during drivaging and road maintenance . There is a certain corrosion, alkali resistance, suitable for different work-ing environment suitable for temporary support working resistance not more than 30 KNs ,for key components are manufactured with advanced corrosion resistance technology. And please pay attention should be used with three-use valve together, for the FRP is one of brittle materials.

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