Quality Standards

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Halifax Soil for above ground use has been tested and approved by the British Board of Agreement Certificate No. 06/4401 for pipes and fittings.

Applicable Standards

BS EN 877:1999

European Standard for cast iron pipework. This covers above ground soil, waste, rainwater and buried drainage systems and performance requirements in the various applications
ISO 6594
International Standard for socketless drainage systems in cast iron
BS EN 681 / ISO 4633
Specification for elastomeric seals for joints in pipework and pipelines.

Codes of Practice

BS EN 12056
Code of practice for gravity drainage systems inside buildings - sanitary pipework and drainage of roofs.
BS EN 752-1
Code of practice for drain and sewer systems outside buildings.


Pipes and fittings are manufactured in grey cast iron which exceeds the requirements of BS EN 1561 Grade EN-JL 1020, ISO 185 Grade 15.

Halifax ductile cast iron couplings are manufactured in accordance with BS EN 1563, ISO 1083 with minimum tensile strength of 420N/mm2.

The Max and Connect couplings are manufactured in stabilized chrome steel 1.4510/11

All couplings are supplied with EPDM rubber sealing rings which are suitable for most applications but where aggressive waste liquids are to be discharged please check with our technical department as to their suitability. Nitrile rubber will be considered upon request.