BH GSO ISO 4179:2024
ISO 4179:2005
Bahraini Standard
Current Edition
·
Approved on
21 November 2024
Ductile iron pipes and fittings for pressure and non-pressure pipelines - Cement mortar lining
BH GSO ISO 4179:2024 Files
No files for this standard are available in the store currently.
BH GSO ISO 4179:2024 Scope
This International Standard specifies the nature, the method of application, the surface condition and the
minimum thickness of internal linings of cement mortar for ductile iron pipes and fittings for pressure and nonpressure
pipelines as defined in ISO 2531 and ISO 7186.
It covers cement mortar linings which are used to improve the hydraulic properties of pipes and fittings
compared to un-lined pipes and fittings and/or to prevent corrosion damage and includes special requirements
for linings of gravity sewers operating partially filled.
It also covers linings used for the conveyance of particularly aggressive fluids, where the following solutions may
be used either separately or in combination:
a) an increase in the thickness of the lining;
b) a change of the type of cement;
c) a coating over the lining.
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