FRÄNKISCHE ROHRWERKE SMSKu-EZF 25 Transparent Tensile-Resistant Conduit Coupling Sleeve M25

With a robust tensile-resistant design and IP67 protection, the FRÄNKISCHE ROHRWERKE SMSKu-EZF 25 transparent coupling sleeve ensures secure, watertight connections for 25 mm corrugated conduits in demanding electrical installations.

Overview

The SMSKu-EZF 25 is a high-quality plug-in coupling sleeve engineered for quick, tool-free assembly of FRÄNKISCHE FFKu-EM-F, FFKu-EL-F, FFKu-ES-F, and their UV-resistant variants. Its transparent polyamide body allows visual inspection of the conduit joint, while the tensile-resistant construction prevents accidental disconnection even under mechanical stress.

What stands out

• Tensile-resistant (zugfest) connection for reliable conduit continuity
• IP67 protection when installed with compatible conduits
• Transparent housing for easy verification of proper insertion
• Halogen-free and silicone-free material for sensitive environments
• Wide operating temperature range from -25 °C to +105 °C
• UV-resistant for outdoor and exposed applications

Technical details

• Product type: Conduit coupling sleeve
• Connection type: Plug-in (Steckmuffe)
• Nominal size: NW 25
• Material: Polyamide (PA)
• Colour: Transparent
• Protection class: IP67 (with compatible conduits)
• Temperature range: -25 °C to +105 °C
• Halogen-free: Yes
• Silicone-free: Yes
• UV resistance: UV-resistant
• Compatible conduits: FFKu-EM-F, FFKu-EL-F, FFKu-ES-F, FFKu-EM-F-UV, FFKu-EL-F-UV, FFKu-ES-F-UV
• Mounting type: Snap-in
• Outer diameter: 38 mm
• Length: 55 mm

Our verdict

A dependable, transparent coupling that combines tensile strength with environmental sealing, making it an excellent choice for professional cable protection systems where durability and inspection ease are paramount.