Rothenberger - Expander Head 7/8''x1.2mm standard ROLOCK - 12456

Features of the Rothenberger 7/8x1.2mm Expander Head

The Rothenberger 7/8x1.2mm expander head (item code 12456) is a precision component specifically designed for the ROLOCK system. This professional tool is made from high-quality materials that guarantee strength and durability even in the most demanding working conditions. The head has a diameter of 7/8 inches (approximately 22.2 mm) with a thickness of 1.2 mm, standard dimensions that make it compatible with numerous plumbing and air conditioning systems.

This accessory is an integral part of the Rothenberger tube expansion system, a German company with over 70 years of experience in manufacturing tools for plumbers and specialized technicians. The head is designed to precisely expand copper tubes, allowing secure and watertight connections without the need for welding or complex mechanical joints.

Practical Applications

The Rothenberger expander head is used in numerous professional contexts and applications:

• Installation and maintenance of residential and commercial plumbing systems
• Construction of heating and air conditioning systems
• Repair and modification of existing pipework
• Installation of refrigeration systems
• Creation of connections for solar thermal systems
• Renovation work requiring pipe modifications

Technical Advantages

Using the Rothenberger 7/8x1.2mm expander head offers numerous benefits compared to other joining methods:

• Solder-free connections eliminate the risk of fire during installation
• Significant reduction in working times compared to traditional methods
• Perfectly sealed joints minimize the risk of leaks over time
• Greater mechanical strength at connection points
• Compatibility with the ROLOCK system for perfect integration with other Rothenberger tools
• Uniform expansion ensures precise couplings
• Less stress on the material during expansion thanks to optimized geometry

Technical Specifications

The expander head has technical characteristics that make it a reliable and precise tool:

• Diameter: 7/8 inches (approx. 22.2 mm)
• Thickness: 1.2 mm
• Compatibility: standard ROLOCK system
• Material: special heat-treated steel to ensure hardness and wear resistance
• Surface finish: anti-wear treatment to prolong service life
• Machining precision: minimal tolerances to ensure uniform expansions

Maintenance and Care

To keep the expander head in optimal condition and extend its life, it is recommended to:

• Regularly clean the head after each use to remove material residues
• Apply a light layer of specific lubricant before use
• Store in a dry environment to prevent oxidation
• Periodically check for wear or damage
• Use only with the compatible Rothenberger expander tool

The Rothenberger 7/8x1.2mm expander head is the ideal choice for professionals who need a reliable and precise tool for creating high-quality connections in plumbing and heating systems. Its compatibility with the standard ROLOCK system guarantees versatility and ease of use in various HVAC applications.