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AS 681.1-2008

[Current]

Elastomeric seals — Material requirements for pipe joint seals used in water and drainage applications, Part 1: Vulcanized rubber

Specifies requirements for materials used in vulcanized rubber seals for cold potable water supply (up to 50 degrees Celsius), hot potable and non-potable water supply (up to 110 degrees Celsius), and drainage, sewerage and rainwater systems (continuous flow up to 45 degrees Celsius and intermittent flow up to 95 degrees Celsius).
Published: 05/02/2008
Pages: 19
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Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
INTRODUCTION
1 Scope
2 Normative references
3 Classification
4 Requirements
4.1 Materials
4.1.1 General
4.1.2 Effect on water quality
4.2 Finished seal requirements
4.2.1 Dimensional tolerances
4.2.2 Imperfections and defects
4.2.3 Hardness
4.2.4 Tensile strength and elongation at break
4.2.5 Compression set in air
4.2.5.1 General
4.2.5.2 Compression set at, 23°C, 70°C and 125°C
4.2.5.3 Low temperature compression set at (−10°C)
4.2.6 Accelerated ageing in air
4.2.7 Stress relaxation in compression
4.2.8 Volume change in water
4.2.9 Ozone resistance
4.2.10 Tear strength for joint seals for hot water supply
4.2.11 Compression set in water for joint seals for hot water supply
4.2.12 Splices of prevulcanized profile ends
4.2.12.1 Spliced joints shall be vulcanized.
4.2.12.2 Strength of spliced joints
4.3 Optional requirements for joint seals for cold water supply, drainage and sewerage
4.3.1 General
4.3.2 Low temperature performance at −25°C
4.3.3 Volume change in oil
5 Test pieces and temperature
5.1 Preparation of test pieces
5.2 Test temperature
6 Factory production control
7 Factory product control tests
7.1 Sampling
7.2 Routine tests
7.3 Type tests
8 Storage
9 Designation
10 Marking and labelling
Annex A
A.l Principle
A.2 Apparatus
A.2.1 Stress apparatus
A.2.2 Force measuring system
A.3 Test pieces
A.4 Test conditions
A.5 Procedure
Annex B
B.1 Principle
B.2 Apparatus
B.2.1 Compression jig
B.2.2 Autoclave
B.3 Test pieces
B.4 Procedure
Annex C
C.1 Principle
C.2 Test pieces
C.3 Procedure
Annex D
Annex ZA
ZA.1 Scope and clauses of European Standard addressing the essential characteristics of the EU Construction Products Directive
ZA.2 System of attestation of conformity
ZA.3 CE Marking
Cited references in this standard
[Current]
Rubber, vulcanized or thermoplastic — Determination of stress relaxation in compression — Part 1: Testing at constant temperature
EN 45012
General criteria for certification bodies operating quality system certification.
EN 45011
General criteria for certification bodies operating product certification.
[Current]
Rubber — Recommendations for the workmanship of pipe joint rings — Description and classification of imperfections
[Superseded]
Rubber, vulcanized or thermoplastic — Preparation of samples and test pieces — Part 1: Physical tests
Content history
[Superseded]
EN 681-1:1996
DR 06711