Standard
Track updates
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
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 tensile stress-strain properties
[Current]
Rubber, vulcanized or thermoplastic - Determination of hardness - Part 2: Hardness between 10 IRHD and 100 IRHD
[Current]
Rubber, vulcanized or thermoplastic - Accelerated ageing and heat resistance tests
[Current]
Rubber, vulcanized or thermoplastic - Determination of compression set - Part 2: At low temperatures
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