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PB208A Elevator speed governor, overspeed governor for MRL elevator .Rated Speed: 0.5-1.75m/sTension force: 500N=L=3900NDiameter of wire rope: 6MM,8mmSheave diameter: 200mmA type is for rail installation ,B type is for horizontal beam installation .
link:http://www.ds-elevator.com/pb208a
PB208A