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 and here back traps all support in keeping the system operational and reliable over time.



Linking Pipework Together


Access junctions join several pipes and offer entry points for checks. Located at appropriate positions, they make easier fault finding and resolving blockages. Without them, upkeep in extensive networks would be time-consuming.



Making Maintenance Straightforward


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



Flood Protection


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 keep operations safe.



Maintaining Proper Flow


Back traps function as barriers to block wastewater reversing back into the network. Placed in key positions, they support hygiene, control odours, and stop 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 make clearing blockages more efficient.

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

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

  • Are anti-flood gullies suitable for wet climates?
    Yes, they are designed for flood-prone conditions.



Key Details


Drainage in industrial properties relies on a set of components. Access junctions, access pipes, anti-flood gullies and back traps each support systems operational. Whether planning new systems, these parts reduce risk and safeguard property. For professional advice and products, get in touch with Knowles Drainage.

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