BS 65:1988 pdf free download.British Standard Specification for Vitrified clay pipes , fittings , joints and ducts. 1. Scope. BS 65 specifies requirements for vitrified clay pipes apd fittings with or without sockets, and compat ible accessories,...
BS 65:1991 pdf free download
BS 65:1991 pdf free download.Specification for Vitrified clay pipes, fittings and ducts, also flexible mechanical joints for use solely with surface water pipes and fittings. 1. Scope BS 65 specifies requirements for vitrified clay pipes and fittings...