rack and pinion for greenhouse ventilation system

OEM PINION ACCORDING TO THE DRAWING
Powder metallurgy pinion which install in the ventilation supply the good performance to help your vent roof open and closed.
RACK & PINIONS – CUSTOM MADE TO SUIT YOUR REQUIREMENTS
Rack & pinions are available in many various configurations. Pinions are manufactured as an enclosed ‘clam shell’ housing to keep debris out and the mechanisms running free.