Classroom on demand

Welcome to Classroom on demand, your source for educational materials related to the vertical transportation industry. This site represents the knowledge and expertise of the best engineers and mechanics in the elevator industry, and will help those new to the elevator industry learn about the basic workings of elevator systems, and also will serve as a reference for people with more experience.

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1 Glossary

Control ValveThe device which on hydraulic elevators controls the oil flow to an...
Drip Pan / Oil PanA pan which is welded or bolted to the bottom of the escalator...
SilencerA muffler type device installed in the oil line of a hydraulic elevator ...
Tank (Reservoir)A container to store the oil used to move the elevator.
ValveA hydraulic elevator mechanism that regulates the motion of the elevator by...

3 The Hydraulic Elevator

Pump Unit OperationLet's take a quick look at some of the "behind the scenes" ev...
SilencerThe silencer removes vibrations that would otherwise be transferred thro...
Victaulic CouplingVictaulic isolation coupling design provides dielectric (A die...
Submersible Pump UnitThe up movement of hydraulic equipment types is achieved by...
Dry Pump UnitA dry power unit is assembled with the pump, motor, control valve, ...
Oil CoolerOil Temperature is critical for hydraulic power units. Hot oil is caus...

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