HAUFF HSI150 DFK Plastic Flange for Retrofit Bolting (2118010020)

Building penetrations for cables and pipes often require a reliable, gas- and water-tight seal that can be installed after the fact. The HAUFF HSI150 DFK Plastic Flange solves this by providing a robust, bolted sealing solution for core drillings with a diameter of 150 mm. Made from high-quality PA6 GF30 plastic, it is designed for retrofit installation on concrete, masonry, and precast concrete elements.

Who is it for

This flange is intended for electricians, plumbers, and construction professionals who need to seal cable and pipe penetrations in walls or floors. It is especially useful when retrofitting existing buildings where a seal must be added without major structural changes.

Main features

• Retrofit installation by bolting (Andübeln) – no need to break open the wall
• Compatible with Hauff HSI 150 sealing inserts for a complete sealing system
• High-quality plastic (PA6 GF30) with UV and chemical resistance
• Gas-tight and water-tight seal up to 2.5 bar pressure
• Operating temperature range from -20°C to +80°C
• Outer diameter 210 mm, flange thickness 20 mm, 4 bolt holes
• Black colour, compliant with DIN 18533

Specifications

• Product type: Building penetration sealing flange
• Material: PA6 GF30 plastic
• Core drilling diameter: 150 mm (DN 150)
• Outer diameter: 210 mm
• Flange thickness: 20 mm
• Number of bolt holes: 4
• Pressure resistance: up to 2.5 bar
• Temperature range: -20°C to +80°C
• UV resistant: Yes
• Chemical resistant: Yes
• Mounting surface: Concrete, masonry, precast concrete elements
• Colour: Black
• Standard compliance: DIN 18533

Tips

Ensure the core drilling is clean and dry before installation. Use appropriate anchors for the substrate to achieve a secure fit. Pair with Hauff HSI 150 sealing inserts for a complete, certified sealing system.