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R. L. Craig Company, Inc.
11524 Commonwealth Drive
Louisville, KY 40299
PH: 800.252.4235,
502.244.1600
Fax: 502.245.1462
Email: sales@rlcraigco.com
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Reference Materials:

Formulas and various technical calculations (PDF - 54KB)	DBA Comparison (PDF - 63.5KB)	Fan Curve Basics (PDF - 291KB)

Louvers Selection Design Considerations and Details (PDF - 3.5MB)	Performance Coatings Reference Chart (PDF - 397KB)	Price Air Distribution Engineering Manual (PDF - 6.5MB)

Spark Resistance Fan Construction (PDF - 301KB)	Steel Aluminum Gauge and Weight Table (PDF - 47KB)	The Story of the Tree Swing 1972 (PDF - 2.40MB)

Troubleshooting Fans (PDF - 90KB)	Understanding Fan Bearings (PDF - 118KB)	Vibration Isolation Selection Guide (PDF - 260KB)

Good News from the Doctor

The Subject of Freight (PDF - 64KB)	Short Circuit Kitchen Exhaust Hoods (PDF - 1,010KB)	Wall Prop Fans with Louvers (PDF - 113KB)
Louvers and Wind Driven Rain (PDF - 94KB)	Understanding Bearings for the Fan Industry (PDF - 240KB)	Understanding Temperature and Altitude Corrections (PDF - 369KB)
A Guide to Disconnect Switches for Ventilation Products (PDF - 378KB)	Energy Recovery Ventilators - Stand alone vs. Bold-on Systems (PDF - 240KB)	Fan Discharge and Throw Information (PDF - 149KB)