Tension Spring-90 lbs.

• Prevents ventilation door cable breakage and costly service calls
• Choose complete kit or individual parts

Made from 3/16" spring wire

Will not stretch like cable and smaller high tensile wire

Use with our #17020 Pulley Bracket/Sprocket Assembly for flawless control of ventilation systems

Recommended by The University of Georgia

3 1/2" cast iron sheave

Heavy-duty zinc plated straps and bolts

Grease zerk for easy lubrication

Deep groove

Use with cable up to 1/4"

Use with curtain machines and as master pulleys on feed and water lines

• Made With 100% High Tenacity Polyester
• Less Stretch Than Any Other Conventional Polyester Cord
• Best For Winching Curtains, Drinkers & Air Inlets
• Now On Metal Spools