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.
Molded enclosure
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
Allows the top door panel to turn quicker saving you 2"- 4" more space. Also allows vertical tracks to be cut down up to 2" allowing more room above springs for operator installation in extreme low headroom situation
Sold as a set of 2 brackets
Requires 2 rollers per bracket - rollers sold seperately.