Guide to Access Junctions, Pipes, Anti-Flood Gullies and Back Traps

Important Components in Commercial Drainage


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



Joining Multiple Lines


Access junctions connect several pipes and provide entry points for maintenance. Located at appropriate positions, they streamline fault finding and removing blockages. Without them, upkeep in complex networks would be labour-intensive.



Providing Entry for Inspections


Access pipes are vertical sections that enable 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 prevent surface water overwhelming drains. Effective in areas with frequent heavy rain, they ensure water flowing in the right direction, avoiding the risk of flooding. For businesses, this helps protect property.



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 help locate and fix blockages quickly.

  • Why are access pipes fitted?
    They make clearing blockages more efficient.

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

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  • 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 ideal in rainy areas.



Final Notes


Drainage in industrial properties relies on a combination of components. Access junctions, access pipes, anti-flood gullies and back traps each help keep systems operational. Whether upgrading existing systems, these parts reduce risk and safeguard property. For professional advice and products, consult Knowles Drainage.

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