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

Important Components in Commercial Drainage


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



Connecting the Drainage Network


Access junctions link several pipes and create entry points for inspections. Located at strategic positions, they streamline fault finding and clearing blockages. Without them, upkeep in complex networks would be difficult.



Keeping Access Simple


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



Keeping Water Under Control


Anti-flood gullies block surface water overwhelming drains. Practical in areas with frequent heavy rain, they keep water flowing in the right direction, avoiding the risk of damage. For businesses, this helps protect property.



Preventing Backflow


Back traps act as barriers to stop wastewater reversing back into the network. Placed in key positions, they support hygiene, reduce odours, and prevent 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 helps maintain hygiene by stopping reverse flow.

  • Are anti-flood gullies suitable for wet climates?
    Yes, they are ideal in rainy areas.



Key Details


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

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