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

Essential Features for Business Drainage


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



Connecting the Drainage Network


Access junctions connect several pipes and offer entry points for checks. Located at appropriate positions, they streamline fault finding and clearing blockages. Without them, upkeep in large networks would be labour-intensive.



Making Maintenance Straightforward


Access pipes are vertical installations that enable direct entry into the system. Installed at set points, they make it easier to deal with obstructions and carry out routine checks. They can also act 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 ensure water flowing in the right direction, minimising the risk of overflow. For businesses, this helps protect property.



Keeping Wastewater Moving Correctly


Back traps work as barriers to block wastewater reversing back into the network. Placed in key positions, they support hygiene, limit odours, and avoid 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.

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

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

  • Are anti-flood gullies suitable for wet climates?
    Yes, they are effective where heavy rainfall occurs.



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 planning new systems, these parts reduce risk and safeguard property. For professional advice and products, contact Knowles Drainage.

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