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. here Access junctions, access pipes, anti-flood gullies and more info back traps all help in keeping the system efficient and robust over time.



Linking Pipework Together


Access junctions connect several pipes and provide entry points for inspections. Located at planned positions, they simplify fault finding and resolving blockages. Without them, upkeep in extensive networks would be difficult.



Keeping Access Simple


Access pipes are vertical installations that allow direct entry into the system. Installed at specific points, they make it easier to clear obstructions and carry out routine checks. They can also double up as emergency points, reducing the chance of wastewater causing issues indoors.



Flood Protection


Anti-flood gullies block surface water overwhelming drains. Useful in areas with frequent heavy rain, they maintain water flowing in the right direction, reducing the risk of damage. For businesses, this helps keep operations safe.



Maintaining Proper Flow


Back traps act as barriers to block wastewater reversing back into the network. Placed in important positions, they support hygiene, limit odours, and prevent contamination inside commercial areas.



Frequently Asked Questions (FAQs)



  • What is the purpose of access junctions?
    They link multiple pipes and provide entry for inspections.

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

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

  • What is a back trap?
    It prevents wastewater flowing back.

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



Key Details


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

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