Guide to Access Junctions, Pipes, Anti-Flood Gullies and Back Traps

Main Elements of Drainage in Commercial Premises

Commercial drainage systems are made up of different components, each with a defined function. Access junctions, click 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 offer entry points for checks. Located at appropriate positions, they streamline fault finding and clearing blockages. Without them, upkeep in large networks would be labour-intensive.

Providing Entry for Inspections

Access pipes are vertical pipes that allow 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 keep operations safe.

Preventing Backflow

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

Frequently Asked Questions (FAQs)

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• 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.

Final Notes

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 planning new systems, these parts reduce risk and safeguard property. For professional advice and products, contact Knowles Drainage.