External Sewer Drain Plug MAGNAPLAST KGM 250 mm (model 24220)

The External Sewer Drain Plug MAGNAPLAST KGM 250 mm (model 24220) is a purpose-built plumbing component for sealing or temporarily closing 250 mm diameter external drainage and sewer openings. Designed for outdoor drainage systems, this drain plug provides a fitted closure that prevents backflow, blocks debris entry and allows secure isolation of sections of piping during maintenance and repair work.

Advantages

The MAGNAPLAST KGM plug offers a tight fit for 250 mm pipe openings and is made from materials suited to outdoor drainage environments, providing resistance to common weather and site conditions. Its straightforward design enables quick installation and removal without the need for complex tools. The plug enables safe isolation of drains for inspection, cleaning or repair, reducing the risk of contamination and facilitating controlled flow management.

Suitable for

• Sealing external drainage and sewer access points with 250 mm diameter
• Temporary closure of lines during maintenance, inspection or cleaning
• Preventing backflow and limiting debris ingress in outdoor drainage systems
• Construction sites, municipal drains and utility works requiring temporary isolation

Key specifications

• Intended pipe opening diameter: 250 mm
• Application: external drainage and sewer openings
• Function: temporary sealing/closure and isolation for maintenance
• Use environment: outdoor drainage systems and access points

How to use

Ensure the pipe opening and surrounding area are clear of large debris before fitting the plug. Position the MAGNAPLAST KGM plug centrally in the 250 mm opening and press or seat it until a secure fit is achieved according to the plug’s design features. Verify the seal visually and, if applicable, perform a controlled test to confirm isolation. Remove the plug by reversing the installation steps when work is complete, taking care to manage any residual water or waste material released upon removal.

Usage recommendations

Use the plug only on compatible 250 mm external drainage or sewer openings and inspect the component for damage before each use. For extended outdoor exposure or aggressive chemical environments, verify material compatibility with site conditions. Follow local regulations and safety procedures when isolating sewer lines and handling wastewater.