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 with a specific function. Access junctions, access pipes, anti-flood gullies and back traps all assist in keeping the system efficient and durable over time.



Connecting the Drainage Network


Access junctions link several pipes and provide entry points for inspections. Located at appropriate positions, they streamline fault finding and resolving blockages. Without them, upkeep in extensive networks would be time-consuming.



Providing Entry for Inspections


Access pipes are vertical installations that permit direct entry into the system. Installed at regular points, they allow professionals to deal with obstructions and carry out routine checks. They can also double up as overflow outlets, reducing the chance of wastewater causing issues indoors.



Defending Against Flooding


Anti-flood gullies prevent surface water overwhelming drains. Useful in areas with frequent heavy rain, they ensure water flowing in the right direction, reducing the risk of flooding. For businesses, this helps limit downtime.



Maintaining Proper Flow


Back traps work as barriers to block wastewater reversing back into the network. Placed in critical positions, they maintain hygiene, limit odours, and avoid contamination inside commercial areas.



Frequently Asked Questions (FAQs)



  • What is the purpose of access junctions?
    They help locate and fix blockages quickly.

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

  • 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 effective where heavy rainfall occurs.



Final Notes


Drainage in commercial properties relies on a combination of components. Access junctions, access pipes, anti-flood gullies and back traps each maintain systems safe. Whether upgrading existing systems, these parts limit risk and protect property. For professional advice and products, contact Knowles Drainage.

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