Air pressure is lead via a hose or pipe to a diaphragm contact. This contact converts the positive or negative pressure into an electrical contact and pulse.
Applications: commercial sectional doors rolling doors and mass transit
Works on doors up to 60ft
Can be used with standard pneumatic hose and Miller Edge extrusion
Garage door operator bracket for older Overhead Door residential models (Automate 70 Touch n Go R-80 100 100SS 1000) and commercial garage door openers.
Gear and sprocket assembly for belt drive units after 2002.
Assembly includes: Spring washer thrust washer retaining ring bearing plate two roll pins drive gear and worm gear helical gear with retainer and grease.