The Elevator Progressive Safety Gear Device (Model: CNHZ30A), which has two types are single lift and double lift. It is a safety device under the control of speed limiter, when the elevator speed exceeds the speed limit set by the elevator speed limiter, or when the suspension rope breaks and relaxes, the car is emergency stopped and clamped on the guide rail. It provides an effective protection for the safe operation of the elevator, which is generally installed on the car rack or on the heavy frame. Learn more about: www.elevatorvip.com/product/e...
20 дек 2020
