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BS EN 549:2019+A2:2024

BS EN 549:2019+A2:2024

$167.15

Rubber materials for seals and diaphragms for gas appliances and gas equipment

Published By Publication Date Number of Pages
BSI 2024 38
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PDF Catalog

PDF Pages PDF Title
2 undefined
10 1 Scope
2 Normative references
11 3 Terms and definitions
4 Product’s information
12 5 Classification
13 6 Requirements
6.1 General
6.2 Requirements for rubber material used to manufacture seals
15 6.3 Requirements for rubber material used to manufacture diaphragms
17 7 Test methods
7.1 General
7.2 Hardness
7.3 Tensile strength and elongation at break
7.4 Compression set
7.5 Resistance to ageing
7.6 Resistance to gas
18 7.7 Resistance to condensate/liquid phase of combustible gases
7.8 Resistance to lubricants
7.9 Resistance to ozone
21 7.10 Stress relaxation in compression
7.11 Resistance to gas — Change of volume
7.12 Resistance to condensate/liquid phase of combustible gases — Change of volume
8 Evaluation of life-time for material used to manufacture seals
9 Infrared spectra of the material
22 Annex A (normative)Requirements and test of components
A.1 Scope
A.2 Requirements
A.2.1 General
A.2.2 Physical and chemical properties of seals
A.2.3 Physical and chemical properties of diaphragms
A.3 Tests methods for components
A.3.1 General
A.3.2 Hardness
23 A.3.3 Resistance to ageing
A.3.4 Resistance to gas
A.3.5 Resistance to condensate/liquid phase of combustible gas
A.3.6 Resistance to lubricants
24 A.3.7 Resistance to ozone
28 Annex B (normative)Infrared spectra of the material
B.1 Scope
B.2 Requirements
B.2.1 General
B.2.2 Solvent extract
B.2.3 Infrared spectra
B.2.4 Density
B.3 Methods of test
B.3.1 General
B.3.2 Solvent extraction
29 B.3.3 Infrared spectra
B.3.4 Density
30 Annex C (normative)Evaluation of lifetime for material used to manufacture seals by using the compression set method
C.1 General
31 C.2 Requirements
C.3 Test Procedure
32 C.4 Evaluation of Test Results
33 C.5 Documentation
34 Annex D (informative)Verification of identity of material
D.1 Scope
D.2 Verification requirements
D.2.1 General
D.2.2 Solvent extract
D.2.3 Infrared spectra
D.2.4 Density
35 Annex ZA (informative)Relationship between this European Standard and the essential requirements of Regulation 2016/426 aimed to be covered

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BS EN 549:2019+A2:2024
$167.15