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Vacuum / Pneumatic Elevators – Frequently Asked Questions
How does a vacuum elevator work?
A vacuum elevator uses a sealed tube with the cab as a moving piston. Air turbines mounted at the top of the tube create a pressure difference: reducing pressure above the cab causes atmospheric pressure below to push it upward. Descent is gravity-assisted with a controlled air valve releasing the vacuum gradually. The system requires no hydraulic oil, no cable, and no counterweight — making it one of the most space-efficient and clean elevator technologies available.
What are the weight and floor limits for vacuum elevators?
Residential vacuum elevators typically support 1–3 passengers with rated loads of 120–250 kg and travel distances of 3–15 metres (covering 2–5 floors). Commercial-grade pneumatic lifts with larger tube diameters and higher-capacity turbines are available for low-traffic commercial applications. Travel height above 15 metres generally requires custom engineering. Turkish suppliers on Elevator.tr offer configurations suited to most residential retrofit scenarios.
Do vacuum elevators require a pit or machine room?
No. This is one of the primary advantages of vacuum elevators. The system is entirely self-contained within the tube — the turbine unit sits atop the tube at the highest landing, requiring no dedicated machine room. No pit is required as the cab rests on a floor-level receiver pad. Installation typically requires only a circular hole through each floor slab, making it ideal for retrofits.
What maintenance do vacuum elevators require?
Vacuum elevators are relatively low-maintenance compared to traction or hydraulic lifts. Key maintenance tasks include inspection of the turbine units and air seals, cleaning of the polycarbonate tube, lubrication of guide rollers, and testing of the fail-safe braking system (which activates automatically if pressure is lost). Annual servicing by qualified technicians is recommended, and Turkish suppliers on Elevator.tr can provide maintenance contracts.