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

Important Components in Commercial Drainage


Commercial drainage systems are made up of various components, each with a specific here function. Access junctions, access pipes, anti-flood gullies here and back traps all support in keeping the system efficient and reliable over time.



Joining Multiple Lines


Access junctions connect several pipes and offer entry points for inspections. Located at strategic positions, they make easier fault finding and resolving blockages. Without them, upkeep in complex networks would be labour-intensive.



Providing Entry for Inspections


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



Keeping Water Under Control


Anti-flood gullies stop surface water overwhelming drains. Useful 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.



Preventing Backflow


Back traps act as barriers to prevent wastewater reversing back into the network. Placed in critical positions, they help hygiene, limit odours, and stop contamination inside commercial areas.



Frequently Asked Questions (FAQs)



  • What is the purpose of access junctions?
    They link multiple pipes and provide entry for inspections.

  • Why are access pipes fitted?
    They allow straightforward inspections.

  • How do anti-flood gullies work?
    They prevent surface water entering the system.

  • What is a back trap?
    It prevents wastewater flowing back.

  • 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 support systems operational. Whether installing fresh systems, these parts reduce risk and safeguard property. For professional advice and products, contact Knowles Drainage.

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