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

Important Components in Commercial Drainage


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



Connecting the Drainage Network


Access junctions connect several pipes and create entry points for maintenance. Located at strategic positions, they simplify fault finding and clearing blockages. Without them, upkeep in large networks would be difficult.



Keeping Access Simple


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



Defending Against Flooding


Anti-flood gullies stop surface water overwhelming drains. Effective in areas with frequent heavy rain, they keep water flowing in the right direction, avoiding the risk of overflow. For businesses, this helps keep operations safe.



Preventing Backflow


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



Frequently Asked Questions (FAQs)



  • What is the purpose of access junctions?
    They allow easy cleaning and maintenance.

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

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

  • What is a back trap?
    It ensures waste moves in one direction only.

  • 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 operational. Whether planning new systems, these parts limit risk and safeguard property. For professional advice and products, get in touch with Knowles Drainage.

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