This two-speed electric chain hoist with a two-speed electric trolley can be moved upward, downward, or in a traversing direction via a four-button switch. A six-button switch is used when combining the hoist with a motorized crane (traveling type)....
This type of trolley is powered by air and transports a suspended load horizontally. You can also combine this trolley with an Air Hoist for use as a crane. Air motors are safer than electric motors. You can safely install this type of trolley even...
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