Technical Information

If you have any specific questions relating to Clay Drainage, Pipes, Channels, Channel fittings, Gullies and Accessories, contact us with your question and one of our experienced staff will be able to assist. Please contact us on (+44) 01422 372833 or email sales@wtknowles.co.uk.

Fitting Instructions

• Path Edging Channel – Shallow
• Path Edging Channel – Deep
• Dished Channel Blocks

Instructions

• Servicing Instructions for Murray’s Anti-Flood Gully
• Universal Grease Trap Instructions
• Guide to bedding and laying pipes in soft ground

Technical Data

• MSDS Clay Products
• Grates and Manhole Covers
• Gullies – Inlets and Outlets

Interceptors Technical Data Sheets

• Interceptors Selection Chart
• Knowles KRI1 Interceptor Data Sheet
• Knowles KRI2 Interceptor Data Sheet
• Knowles KRI3 Interceptor Data Sheet
• Knowles KRI4 Interceptor Data Sheet
• Back Bristol Interceptor – Data Sheet

New Drainage Range Pocket Guide & Poster

• New Drainage Pocket Product Guide
• New Drainage Product Poster