Understanding Key Drainage Components

Main Elements of Drainage in Commercial Premises


Commercial drainage systems are made up of multiple components, each with a defined function. Access junctions, more info access pipes, anti-flood gullies and back traps all assist in keeping the system efficient and robust over time.



Connecting the Drainage Network


Access junctions link several pipes and create entry points for maintenance. Located at appropriate positions, they streamline fault finding and clearing 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 specific points, they help to remove obstructions and carry out routine checks. They can also double up as overflow outlets, reducing the chance of wastewater causing issues indoors.



Keeping Water Under Control


Anti-flood gullies stop surface water overwhelming drains. Effective in areas with frequent heavy rain, they ensure water flowing in the right direction, minimising the risk of damage. 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, reduce odours, and prevent 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 make clearing blockages more efficient.

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  • How do anti-flood gullies work?
    They keep drains flowing without backflow.

  • What is a back trap?
    It prevents wastewater flowing back.

  • 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 efficient. Whether planning new systems, these parts minimise risk and secure property. For professional advice and products, get in touch with Knowles Drainage.

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