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 function. Access junctions, access pipes, anti-flood gullies click here and back traps all support in keeping the system efficient and durable over time.



Connecting the Drainage Network


Access junctions join several pipes and provide entry points for inspections. Located at strategic positions, they simplify fault finding and removing blockages. Without them, upkeep in extensive networks would be time-consuming.



Keeping Access Simple


Access pipes are vertical sections that permit direct entry into the system. Installed at regular points, they allow professionals to clear obstructions and carry out routine checks. They can also serve as safety valves, reducing the chance of wastewater causing issues indoors.



Defending Against Flooding


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



Maintaining Proper Flow


Back traps function as barriers to prevent wastewater reversing back into the network. Placed in important positions, they maintain hygiene, control odours, and prevent contamination inside commercial areas.



Frequently Asked Questions (FAQs)



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  • What is the purpose of access junctions?
    They allow easy cleaning and maintenance.

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

  • How do anti-flood gullies work?
    They prevent surface water entering the system.

  • 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 commercial 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 protect property. For professional advice and products, consult Knowles Drainage.

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