


Rothenberger - Expander head 12x1.2mm standard ROLOCK - 12412
€133,19 iva inclusa
2-4 business days
Free shipping with minimum order of €500
- Description
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Rothenberger 12x1.2mm Expander Head - Precision and Reliability for Professional Installations
The Rothenberger 12x1.2mm standard ROLOCK expander head (item code 12412) is an essential tool for plumbing and HVAC professionals. Specifically designed for use with copper pipes with a 12mm diameter and 1.2mm thickness, this head ensures precise and reliable expansions, crucial for creating secure and long-lasting connections in systems.
Technical and Construction Features
Made from high-quality materials, the Rothenberger 12x1.2mm expander head features a robust structure made of special heat-treated steel to ensure resistance to intensive and prolonged use. The ROLOCK expansion system ensures perfect pipe calibration, maintaining circularity and preventing unwanted deformations during the expansion operation. The optimized geometry of the expanding segments allows for a uniform distribution of force, reducing the risk of pipe breakage or damage during processing.
Compatibility and Versatility
This expander head is compatible with Rothenberger's manual and electric expanders equipped with the ROLOCK system, offering versatile use in various work situations. It integrates perfectly with the entire Rothenberger system, ensuring continuity and consistency in installation operations. Its specific size makes it ideal for working with 12x1.2mm copper pipes, a size widely used in domestic and commercial plumbing, heating, and air conditioning systems.
Operational Advantages
Using the Rothenberger 12x1.2mm expander head offers numerous practical benefits to professional installers:
- Expansion precision that ensures perfectly sealed joints
- Significant reduction in processing times thanks to ease of use
- Increased system lifespan due to the superior quality of the connections made
- Reduced material waste and optimized installation costs
- Less physical effort during repetitive expansion operations
Main Applications
The expander head is used in multiple installation contexts, including:
- Construction of residential and commercial plumbing systems
- Installation of radiator or underfloor heating systems
- Assembly of air conditioning and refrigeration systems
- Repairs and maintenance of existing pipelines
- Creation of branches and fittings in complex systems
Tool Maintenance and Care
To ensure optimal performance and prolong the life of the expander head, regular cleaning after each use is recommended, removing any material residues or impurities. It is also recommended to periodically lubricate the expanding segments with specific tool oil, following the manufacturer's instructions. Storing the tool in its original case, in a dry environment protected from dust and humidity, will help maintain its functional characteristics over time.
Rothenberger Quality and Reliability
Like all Rothenberger products, this expander head is manufactured according to strict quality standards that guarantee its reliability and durability over time. The constructive precision and attention to detail typical of the German brand are reflected in the superior performance of this tool, designed to meet the needs of the most demanding professionals in the HVAC sector.













