Aquaflow Drainage systems are manufactured under the following British Standards:
• BS EN ISO 9001:2008 Quality Systems.
• BS EN 1401-1: Plastic piping systems for 1998 (SN4) non-pressure underground drainage and sewerage.
• (PVCu) – Part 1: Specifications for pipes, fittings and the system.
• BS4660: 1989 Specification for plasticised.
• PVC pipes and fittings of sizes 110mm and 160mm for below ground drainage.
• BS5481: 1997 (1989) Specification for plasticised.
• PVC pipes and fittings for gravity sewers.