The Courbi Coupling D25 Heavy Duty is a specialised connector that joins straight rigid conduits to flexible conduits at D25mm. Its IP54 water-tightness rating suits both indoor and outdoor electrical installations where moisture and dust protection is required.

Sold in packs of 5. Compatible with Spiral COMBO, DOMO, and FORTE conduits as well as Rigid COMBO, DOMO, and FORTE ranges, enabling consistent use throughout Courbi conduit networks.

Key Features

• Connects rigid straight and flexible conduits at D25mm
• IP54 water-tightness rating
• Heavy Duty classification
• Grey colour, RAL7035
• Complies with EN 61386-1/2004 and EN 61386-22/2004

Product Benefits

• IP54 rating excludes moisture and dust at the conduit joint in outdoor or damp environments
• Heavy Duty rating withstands greater mechanical stress at connection points compared to standard couplings
• Spans the full Courbi Spiral and Rigid conduit range for D25mm, reducing the number of different fittings needed on site
• Pack of 5 handles multiple connection points in a single order

Technical Specifications

• Conduit Diameter: D25mm (Φ25mm)
• Type: Heavy Duty
• Water-Tightness: IP54
• Colour: Grey, RAL7035
• Compatible Conduits: Spiral COMBO, DOMO, FORTE; Rigid COMBO, DOMO, FORTE
• Standards: EN 61386-1/2004, EN 61386-22/2004
• Pack Quantity: 5 pieces
• EAN: 5205493138031
• MPN: 38-21003-025

Why You'll Love It

• Single coupling type works across the entire D25mm Courbi conduit range — no separate connectors per conduit variant
• IP54 protection gives confidence in wet or dusty installation environments
• RAL7035 grey colour matches Courbi conduits for a uniform installation appearance
• Package includes: 1× pack of 5 Courbi Coupling D25 Heavy Duty