Revised National Standard GB/T 21739-2025 Safety Rules for the Construction and Installation of Home Lifts Released
Applicable to home lifts with rated load ≤400kg and speed ≤0.4m/s:
① Structural safety: pit-less elevators must be equipped with bottom buffer + anti-fall protection, shaft enclosure strength ≥1000N;
② Door systems: dual interlock for landing and car doors, operation prohibited when doors open, anti-pinch force ≤150N;
③ Emergency functions: automatic leveling in case of power failure, manual emergency lowering, one-key call, emergency lighting ≥90 minutes;
④ Noise control: operation noise ≤55dB, door opening/closing ≤60dB, adapting to residential quiet requirements;
⑤ Installation specifications: clarifies wall load-bearing, fixing bolts, guide rail verticality standards, simplifying approval for installation in old residences.
The standard includes home lifts in special equipment safety supervision, improving safety and reliability, promoting standardized and international development of China's home lift industry.