"Tianyi" brand seriesrolling door opener. 1.It is used for open and close the rolling door of supermarket door, storehouse, cinema, hotel, factory and so on. 2.It can be operated by electricity and manual. precise limit by the limiter controlled automatically. 3.Operated by manual when out of power. Low noise, small shaking, low power exhaustion.Products features: 1.Host structure:Using high-quality materials heat treatment and having the features of high-strengthlight-weightwear-resistant and long-life. 2.Braking brake:Selecting high-quality materials, friction coefficient is large and the braking position is accurate,smooth and reliable. 3.Transmission system:Running with low noise,small vibration and small power consumption. 4.Automatically limiting displacement:The position is accurate and reliable,the adjustment is easy and the limiting displacement is sensitive with the large range of stroke control. Technical parameters: Model Rated Power (W) Maximum Hoist Weight(kg.f)Voltage (V) Output torque (N.m) Output turnspeedr / min Maximum Hoist height(m)The use of chain No. TY-3P -1500600150038016174.71212A