Existing valve in the body, the valve cover and the components are intact, only a slight deformation or corrosion of the sealing surface, the valve can not be used. Repair these valves non-professional factory does not work, resulting in great waste. Therefore, the valve unit is expected to use is: valve seat, valve plate sealing surface is not easy to deformation, corrosion-resistant, vulnerable sealing material can be changed. Valve plate in the opening and closing with the sealing surface do not have friction or minimize friction.
Construction Hoist parts including Construction Hoist Mast Section , passenger hoist wall tie, Passenger Hoist Cage and other Hoist Steel Structure Parts. Construction Hoist Safety Device and Hoist Electrical Parts .
BQ's construction hoist has the same design with Gjj construction hoist.
Construction Hoist Mast,Construction Hoist Spare Parts,Construction Building Hoist,Construction Elevator,Safety Device
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