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 get more info clear function. Access junctions, access pipes, click heremore info anti-flood gullies and back traps all support in keeping the system operational and robust over time.



Joining Multiple Lines


Access junctions link several pipes and create entry points for inspections. Located at strategic positions, they simplify fault finding and removing blockages. Without them, upkeep in extensive networks would be labour-intensive.



Making Maintenance Straightforward


Access pipes are vertical installations that enable direct entry into the system. Installed at specific points, they help to remove obstructions and carry out routine checks. They can also double up as safety valves, 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, minimising the risk of damage. For businesses, this helps protect property.



Keeping Wastewater Moving Correctly


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



Frequently Asked Questions (FAQs)



  • What is the purpose of access junctions?
    They help locate and fix blockages quickly.

  • Why are access pipes fitted?
    They provide vertical access points.

  • 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 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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