Zhejiang Xianfeng Machinery Factory is a large
enterprise under China
weapons Industry Corporation. It was founded in 1970 and has the right to
directly handle import and export business.
The KJ500, KJ600 and KJ1000 rolling door
operators are designed to drive rolling door (rolling shutter) from 500kg to
1000kg. The products featured with powerful starting strength, overworking for
a short time and overheat protection when overloaded. In case of power failure,
a release chain can be used to operate door manually.
Main features
Die-cast aluminum housing guarantees a long useful life.
Contains electromagnet brake.
Gear wheel is made of high quality steel, sturdy and durable.
Limit switch enables precise adjustment of door in up and down positions.
Quiet and stable operation.
Safety device against roller chain break off.