Overview: This document provides technical specifications and guidelines for the use of tube expanders, specifically the 8012-5 series, designed for expanding tubes in air heaters, boilers, and refinery still tubes. It includes detailed measurements and model numbers for various tube sizes and expander configurations.
Specifications:- Internal Diameter Range: 36.1 mm (1.420 inches) to 73.7 mm (2.902 inches).
- Mandrel Reach: Available in 6-inch and 8-inch reach, indicated by suffix -6 or -8.
- Tube Sheet Adjustable Range: Expanders are fitted with rollers of varying lengths, with a minimum roller length of 1/2 inch (12.7 mm).
Procedures:- Use the expanders to expand tubes in air heaters, boilers, and refinery still tubes.
- Suitable for thick tube sheets up to 8 inches.
- For larger sizes, contact the manufacturer for the 8012-5 series expanders.
Data Summary:- The document includes a detailed table listing tube outer diameter (O.D.), tube thickness, minimum and maximum internal diameter (I.D.), and corresponding tool and mandrel numbers.
- Each entry specifies the complete tool number, mandrel number, and roller set number for precise application.
Recommendations:- Ensure the correct expander model is selected based on the tube size and application requirements.
- Consult the manufacturer for specific applications or larger tube sizes not covered in the standard series.
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