Rothenberger - Standard expander head 7/8'x1.2mm - 11056

Features of the Standard Expander Head 7/8x1.2mm - 11056

The standard 7/8x1.2mm expander head (item code 11056) by Rothenberger is a precision component designed for expanding copper, aluminum, and soft steel tubes with a diameter of 7/8 inches and a thickness of 1.2 millimeters. Made with high-quality materials, this head ensures precise and uniform expansions, essential for secure and durable connections in hydraulic and refrigeration systems.

Professional Applications

This specialized tool is used in numerous professional contexts, proving indispensable for technicians and installers working in the following sectors:

• Installation and maintenance of commercial and industrial refrigeration systems
• Construction of residential and commercial air conditioning systems
• Installation of hydraulic systems requiring precise joints
• Repair and maintenance of heat exchangers
• Construction of piping for special applications

Technical and Operational Advantages

The Rothenberger 11056 expander head offers numerous benefits that make it a reliable tool for industry professionals:

• Dimensional precision that guarantees uniform and controlled expansions
• Compatibility with Rothenberger expansion systems, for immediate use without adaptations
• Robust construction that ensures a long operating life even under intensive use conditions
• Optimized surface finish that reduces friction during expansion, minimizing the required effort
• Ergonomic design that facilitates quick attachment and detachment from the main expander device

Detailed Technical Specifications

The 11056 expander head has specific technical characteristics that determine its performance and scope of use:

• Nominal diameter: 7/8 inches (22.23 mm)
• Compatible tube thickness: 1.2 mm
• Construction material: special heat-treated steel for maximum resistance
• Surface finish: anti-wear treatment to prolong service life
• Attachment system: compatible with standard Rothenberger expanders
• Weight: optimized to balance robustness and handling

Tips for Optimal Use

To achieve the best results with the 11056 expander head, it is advisable to follow some operating practices:

• Always check the compatibility of the tube material and thickness before use
• Apply a specific lubricant to reduce friction and extend the life of the head
• Perform expansion with gradual and controlled movements to avoid irregular deformations
• Periodically inspect the head for any signs of wear or damage
• Store the tool in a dry and protected environment when not in use

Maintenance and Care

Proper maintenance of the 11056 expander head ensures consistent performance over time and a longer lifespan. It is recommended to thoroughly clean the head after each use, removing material residues or lubricant. Regularly check the integrity of the expansion surfaces and dimensional precision. In case of frequent use, consider periodic overhauls to maintain the quality of the expansions.