The Courbi Domo Rigid Medium Type 750N (D25) is a rigid U-PVC conduit for protecting and routing cables in electrical installations. With a compressive strength of 750N/5cm and an outer diameter of 25mm, it handles medium mechanical load environments indoors and outdoors.

Sold at a per-metre price per 3m piece, packaged in 15m quantities. It integrates with pipe fittings, DOMO Spiral M/T, Courflex®, joint boxes, switches, and drywall accessories for complete conduit networks.

Key Features

• Rigid U-PVC construction, self-extinguishing and non-flame-transmitting
• Outer diameter D1: 25mm; inner diameter D2: 22mm; length: 3m
• Grey colour, RAL7035
• UV protection for outdoor use
• Registration Code: 3331

Product Benefits

• 750N/5cm compressive strength handles medium mechanical loads without deformation
• Impact resistance tested at -5°C (2kg mass / 100mm drop height) ensures cold-climate performance
• Self-extinguishing material limits fire spread in electrical installations
• Compatible with a wide range of fittings enabling full conduit network construction
• Suitable for underfloor, wall-mounted, and concrete-encased installations

Technical Specifications

• Type: 25
• Outer Diameter D1: 25mm
• Inner Diameter D2: 22mm
• Length: 3m
• Material: U-PVC (polyvinyl chloride)
• Colour: Grey, RAL7035
• Compressive Strength: 750N/5cm at 22 ± 2°C
• Impact Resistance: 2kg / 100mm drop at -5°C
• Lower Temperature Limit: -15°C
• Maximum Temperature: +60°C
• Dielectric Resistance: 2kV / 15 minutes
• Insulation Strength: 100MΩ
• Registration Code: 3331

Why You'll Love It

• RAL7035 grey finish suits standard electrical installation environments
• Works with concrete encasement, underfloor, and wall-mounted setups — one conduit for multiple installation methods
• Self-extinguishing classification provides safety confidence in residential and industrial wiring
• Package includes: 1× Courbi Domo Rigid Medium Type 750N/D25/3m