Pipe reducer ALCADRAIN M907 DN90 to DN110

ALCADRAIN M907 DN90 to DN110 pipe reducer is a plumbing fitting designed to connect pipes of two common diameters, DN90 and DN110. It provides a watertight mechanical transition between different pipe sizes for drainage and rainwater systems, allowing integration of DN90 branches into DN110 mains or vice versa. The reducer is intended for use in external drainage, roof drainage and similar applications where reliable joining of two pipe sizes is required.

Advantages

The reducer offers a compact, single-piece solution for size transitions without the need for complex adapters. Its geometry ensures consistent alignment and secure seating of both pipe ends, reducing risk of leaks when installed correctly. Because it is specifically shaped for DN90 and DN110 connections, it simplifies assembly on-site and saves time compared with custom fittings. The part is suitable for standard drainage materials and installation methods used in above-ground and external systems.

Suitable for

• Connecting DN90 branch pipes to DN110 mains in roof drainage systems
• Transition points in rainwater downpipes and external drainage runs
• Temporary or permanent connections during renovation or extension works

Key specifications

• Connection sizes: one end for DN90, one end for DN110
• Function: reducer / size transition for drainage pipes
• Application area: external drainage, rainwater and roof downpipe systems
• Mounting type: inline socket connection for straight pipe insertion

How to use

Prepare both pipe ends by cleaning and ensuring they are cut square. Insert the DN90 pipe into the smaller socket and the DN110 pipe into the larger socket until each reaches the seating point. Verify proper alignment and, if required for the material, apply the manufacturer-recommended sealant or jointing method to achieve a watertight connection. Secure the assembly according to local installation standards and check for correct slope and flow direction in the drainage run.

Usage recommendations

Use the reducer in compatible drainage systems and verify material compatibility with the pipe types in use. Follow local building codes and installation guidelines for external drainage to ensure correct sealing, support and protection against mechanical stress.