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

Essential Features for Business Drainage


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



Connecting the Drainage Network


Access junctions connect several pipes and provide 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.



Making Maintenance Straightforward


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



Flood Protection


Anti-flood gullies block surface water overwhelming drains. Effective in areas with frequent heavy rain, they ensure water flowing in the right direction, minimising the risk of damage. For businesses, this helps limit downtime.



Maintaining Proper Flow


Back traps function as barriers to stop wastewater reversing back into the network. Placed in important positions, they maintain 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 provide vertical access points.

  • How do anti-flood gullies work?
    They stop flooding during heavy rainfall.

  • What is a back trap?
    It helps maintain hygiene by stopping reverse flow.

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



Final Notes


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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