hard aluminum alloy rack and pinion mechanism 1650mm long
This rack works with Zinc alloy pinion, and is used to open and
close continuous ventilation windows of greenhouses and similar
buildings. Normally, It has a height of 24mm, and a width of 16mm.
The rack is made of high quality and hard aluminum alloy, and has
high precision teeth.
It works very well with XTB zinc alloy pinions for ventilation.
This rack is strong, and has long life time. Its maintenance is
This rack works with steel pinion, and is used to open and close
continuous ventilation windows of greenhouses and similar
1). Never rusty.
2). High quality and hard aluminum alloy.
3). Precise teeth.
4). Easy maintenance, reliable performance, and long lifetime.