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DK Hardware Professional Tax Exempt? Net 30? - DK Net Terms
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Height
2.25
Length
7.50
Width
6.75
Hazardous Material
No
Country Origin Code
CN
Outside Diameter
3-1/2"
Material
Zinc
Bore Diameter
1/2"
Keyway Size
5/8"
Nomenclature
6145 VARIABLE PULLEY 3-1/2X1/2
Suitable for: Evaporative Cooler Purge Systems
Variable pulleys must be opened 2-1/2 to 5 full turns, depending on air resistance or motor will overheat. If motor cycles, open variable pulley until motor stops cycling. If cycling persists when pulley is fully opened, you must use the next size smaller pulley. Always use pulley size recommended by cooler manufacturer.