Understanding Key Drainage Components

Important Components in Commercial Drainage


Commercial drainage systems are made up of various components, each with a specific function. Access junctions, check here access pipes, anti-flood gullies and back traps all assist in keeping the system functional and reliable over time.



Joining Multiple Lines


Access junctions link 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 labour-intensive.



Providing Entry for Inspections


Access pipes are vertical pipes that enable direct entry into the system. Installed at set points, they make it easier to remove obstructions and carry out routine checks. They can also double up as overflow outlets, reducing the chance of wastewater causing issues indoors.



Flood Protection


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 damage. For businesses, this helps limit downtime.



Maintaining Proper Flow


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



Frequently Asked Questions (FAQs)



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  • 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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