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

Essential Features for Business Drainage


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



Linking Pipework Together


Access junctions join several pipes and provide entry points for maintenance. Located at planned positions, they make easier fault finding and resolving blockages. Without them, upkeep in complex networks would be labour-intensive.



Making Maintenance Straightforward


Access pipes are vertical installations that enable 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.



Defending Against Flooding


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



Maintaining Proper Flow


Back traps function 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 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 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 effective where heavy rainfall occurs.



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 safe. Whether upgrading existing systems, these parts minimise risk and secure property. For professional advice and products, get in touch with Knowles Drainage.

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