Marine fittings and outfitting chain stopper

      Cast steel knife Roller Chain Stopper machine knife switch stopper screw compressor chain stopper customizable knife switch apparatus set up a mutual match on ontology and wedge gate wedge grooves, wedge gate when used in the elevator shaft under the action of gravity will be a fixed rope chain conformity in wedge shaped groove, but when the cable chain is met excessive tensile force lift shaft will be raised to release a cable chain down again stuck cable chain, This prevents the...