Hydraulic elevators are powered by a piston that travels inside a cylinder. An electric motor is used to pump hydraulic oil into the cylinder to move the piston, thus smoothly lifting the elevator cab. Electrical valves control the release of the oil for a gentle descent.
Hydraulic elevators are used extensively in villa or buildings up to ve stories high. These elevators do not use the large overhead hoisting machinery the way geared and gearless traction systems do.
The power pack is placed on the lowest landing on any side of the elevator hoistway. The minimum overhead dimensions required are 3000mm and the pit required is 300mm.
Side indirect acting suspension with wire ropes with one piston for regular loads and long travels.
Direct suspension. The simplest solution for any load with a simple or split piston.
Side direct suspension with two simple piston for large loads and short travels. (Max. Travel 4 Mt.)
It is a single side indirectly acting suspension with wire ropes having one piston for regular loads travels of maximum 13 meters.
It is a single side direct suspension with a simple piston for regular loads and short travels of maximum 4 meters
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