Access Junctions, Pipes, Anti-Flood Gullies and Back Traps Explained

Main Elements of Drainage in Commercial Premises


Commercial drainage systems are made up of multiple components, each with a defined more info function. Access junctions, access pipes, anti-flood gullies and back traps all assist in keeping the system efficient and reliable over time.



Connecting the Drainage Network


Access junctions join several pipes and offer entry points for maintenance. Located at appropriate positions, they streamline fault finding and resolving blockages. Without them, upkeep in large networks would be time-consuming.



Making Maintenance Straightforward


Access pipes are vertical sections that permit direct entry into the system. Installed at set points, they allow professionals to clear obstructions and carry out routine checks. They can also double up as emergency points, reducing the chance of wastewater causing issues indoors.



Defending Against Flooding


Anti-flood gullies block surface water overwhelming drains. Effective in areas with frequent heavy rain, they maintain water flowing in the right direction, avoiding the risk of flooding. For businesses, this helps keep operations safe.



Keeping Wastewater Moving Correctly


Back traps function as barriers to prevent wastewater reversing back into the network. Placed in critical positions, they support hygiene, control odours, and prevent contamination inside commercial areas.



Frequently Asked Questions (FAQs)



  • What is the purpose of access junctions?
    They allow easy cleaning and maintenance.

  • Why are access pipes fitted?
    They provide vertical access points.

  • How do anti-flood gullies work?
    They keep drains flowing without backflow.

  • What is a back trap?
    It ensures waste moves in one direction only.

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  • Are anti-flood gullies suitable for wet climates?
    Yes, they are designed for flood-prone conditions.



Key Details


Drainage in industrial properties relies on a series of components. Access junctions, access pipes, anti-flood gullies and back traps each maintain systems safe. Whether upgrading existing systems, these parts minimise risk and secure property. For professional advice and products, get in touch with Knowles Drainage.

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