Rothenberger - Expander Plier Set ROLOCK EPT 12-16-18-22-28 mm - 12522

Professional set for ROLOCK EPT expander pliers

The Rothenberger ROLOCK EPT Set is a complete kit of expander heads designed for plumbing and heating professionals. This set includes 5 expander heads in the most commonly used sizes: 12, 16, 18, 22 and 28 mm, ideal for preparing copper, aluminium and mild steel pipes before fitting installation. ROLOCK technology ensures precise and uniform expansions, essential for secure and durable connections in plumbing and heating systems.

Technical features

The ROLOCK EPT 12522 set features expander heads made of special hardened steel, which ensures wear resistance and long operating life. Each head is designed with optimised geometry to ensure uniform pipe expansion without deformation or excessive stress on the material. The quick-release system allows for quick and safe head replacement, increasing work efficiency. The heads are compatible with ROLOCK EPT expander pliers (not included in the set) and feature a surface finish that reduces friction during the expansion operation.

Practical applications

This set of expander heads is used in numerous professional applications:

• Installation of domestic and industrial plumbing systems
• Construction of heating and air conditioning systems
• Repair and maintenance of existing piping
• Creation of connections for solar thermal systems
• Installation of professional irrigation systems
• Preparation of piping for fire protection systems

Operational advantages

Using the ROLOCK EPT set offers numerous benefits to professional installers:

• Significant reduction in working times compared to traditional methods
• Elimination of the need for additional fittings, resulting in cost savings
• Creation of more reliable and leak-resistant joints
• Greater operational flexibility thanks to the complete range of diameters included
• Less physical effort thanks to the ergonomic design of the ROLOCK system
• Professional results even in confined workspaces

Set specifications

The set is supplied in a robust carrying case that protects the expander heads and facilitates their organisation. Each head is clearly marked with the corresponding size for immediate identification. The overall weight of the kit is optimised to ensure portability without compromising robustness. Compatibility with the entire Rothenberger system ensures the possibility of expanding the set with additional accessories according to the professional's specific needs.

Maintenance and durability

ROLOCK EPT expander heads are designed to ensure constant performance over time with minimal maintenance. It is recommended to regularly clean the heads after use to remove material residues and occasionally apply a specific lubricant to keep mechanical movements fluid. With proper maintenance, this set represents a lasting investment for any plumbing and heating professional, guaranteeing reliable results even after years of intensive use on site.