Plastics piping systems for non-pressure underground drainage and sewerage. Polyethylene (PE) - Specifications for pipes, fittings and the system Ingestion-build-65808 BS 5991:1989

BS 5991:1989

high level of stiffness

Boron trifluoride proportional pulse counter tubes

With BS 4825-1 you can be ensured  that the products consistently meet and exceed quality assurance targets

BS EN 12759 describes two methods of evaluating the resistance of fabrics coated with plastics or with vulcanized rubber to the action of liquids by measurement of selected properties of the materials before and after immersion in selected liquids

Plastics piping systems for non-pressure underground drainage and sewerage. Polyethylene (PE) - Specifications for pipes, fittings and the system Ingestion-build-65808 BS 5991:19891 Scope This Part of EN 12666 specifies the requirements for pipes, fittings and the system of polyethylene (PE) piping systems intended to be used for non pressure underground drainage and sewerage outside the building structure (application area code "U"), and non pressure underground drainage and sewerage for both buried in the ground within the building structure (application area code "D") and outside the building structure. This is reflected in