Guide to Access Junctions, Pipes, Anti-Flood Gullies and Back Traps

Important Components in Commercial Drainage


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



Joining Multiple Lines


Access junctions link several pipes and offer entry points for checks. Located at appropriate positions, they simplify fault finding and resolving blockages. Without them, upkeep in large networks would be labour-intensive.



Providing Entry for Inspections


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



Keeping Water Under Control


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



Maintaining Proper Flow


Back traps work as barriers to stop wastewater reversing back into the network. Placed in important positions, they help hygiene, control odours, and stop 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 prevent surface water entering the system.

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  • 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 industrial properties relies on a combination of components. Access junctions, access pipes, anti-flood gullies and back traps each help keep systems efficient. Whether planning new systems, these parts reduce risk and safeguard property. For professional advice and products, contact Knowles Drainage.

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