Product Description
Security Roller Shutter Door for Fire Truck (Aluminium Alloy) with CE Certification China supplier (HF-2005)
Metal high speed rolling door is a new high-tech product development by Hongfa company
through instrouction of foreign advanced techology . The advent of metal high speed rolling
door renew the concept of industrial door , the techology is in the advanced level in the world
High speed door's surface is very smooth , and all moving parts are strictly
designed in accordance with European safety standard
With spiral round non-contact track , the sectional curtains won't connect with each other when roll up , the curtain material won't wear, distort and run fast without noise
Each lath is screwed on the steel strips both side of the curtain , which ensure the lath won't be pressed even if the curtains handling,the rolled steel trip can produce a vertical lifting movement of the door
HIgh speed motor is controlled by inverter and microprocessor , we can manually open the door by operating the internal tension
structure while power off
Transparent laths can be maintained clearand transparent for a long time , with modular design , the lath can be replacedat any time , enjoy unique advantages ( resistance to strong wind , high sealing andlow noise , etc)
when a barrier approaches , the door will produce precise infared light curtains , which greatly increase the active and passive
safety of high speed door
