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BS 7892:1997

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Specification for bitumen seal coatings on cement mortar linings in ductile iron pipes and fittings
Available format(s)

Hardcopy , PDF

Superseded date

15-10-2000

Language(s)

English

Published date

15-08-1997

Committees responsible
Foreword
1 Scope
2 References
3 Definitions
4 Product performance requirements
5 Materials
6 Coating thickness
7 Type test requirements
8 Production quality control tests
9 Marking
Annexes
A (normative) Wet film comb thickness test method
B (normative) Coating thickness measurement using
    polyethylene terephthalate polyester film
C (normative) Coating thickness measurement using a steel
    token
D (normative) Odour testing of pipes
E (normative) Durability type test for bitumen
    seal coats
F (normative) Abrasion type test for bitumen seal coats
Figures
A.1 Position of wet film comb relative to the curvature
    of a component
A.2 Diagrammatic representation of wet film comb thickness
    test method
E.1 Schematic diagram of durability rig
F.1 Schematic diagram of abrasion test rig
List of references

Gives requirements for bitumen seal coatings, factory applied to the surface of cement mortar linings, also factory applied to the interior of ferrous pipes and fittings. Should not exclude the use and development of suitable alternatives. Intended to prevent leaching of lime and other hydroxides from the cement into the water supply, possibly causing an elevation of pH in excess of the prescribed concentration of 9.5, as determined by the Water Supply (Water Quality) Regulations 1989, amended by the regulations of 1991 and 1990 in Scotland.

Committee
PSE/10
DevelopmentNote
DRAFT FOR COMMENT 93/712099 DC
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

BS EN 545:2010 Ductile iron pipes, fittings, accessories and their joints for water pipelines. Requirements and test methods
ASTM D 3359 : 2017 : REDLINE Standard Test Methods for Rating Adhesion by Tape Test

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