Vierflügelige Drehtür

Four-Wing Revolving Door, Features: 1) Special aluminum alloy framework 2) No central axis operation mode 3) Point-type up and down fixing method 4) The metal framework with a variety of colors and meterials 5) The high-intensity whole transparent glass 6) Windproof ,dustproof ,waterproof ,soundproof ,insulated 7) Exquistie and unique switching operation panel Functional Specification inductive rotation bump-proof speed adjustment jerk function emergency evacuation constant position pause wind-proof shut-proof nighttime lock central fire control slow passage