NEN EN 549 : 1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RUBBER MATERIALS FOR SEALS AND DIAPHRAGMS FOR GAS APPLIANCES AND GAS EQUIPMENT
01-07-2019
12-01-2013
Foreword
Introduction
1. Scope
2. Normative references
3. Definitions
4. Manufacturer's declared information
5. Classification
6. Requirements
7. Test methods
Annex
A. (normative) Verification of components by physical
and chemical testing
B. (normative) Verification of components by infra-red
spectrometric method
Specifies requirements and associated test methods for vulcanized rubber materials used in gas appliance and equipment in contact with 1st, 2nd, and 3rd family combustible gases. Also establishes a classification based on temperature range and hardness. Applies to materials from which are manufactured homogeneous or reinforced diaphragms. Does not apply to seals and diaphragms for devices in gas transmission systems nor in equipment used in 1st and 2nd family gas distribution systems.
| DevelopmentNote |
Draft issued in June 2017. (06/2017)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Withdrawn
|
| Standards | Relationship |
| ONORM EN 549 : 1995 | Identical |
| NF EN 549 : 1995 | Identical |
| I.S. EN 549:1995 | Identical |
| DIN EN 549:1995-04 | Identical |
| BS EN 549:1995 | Identical |
| UNI EN 549 : 1996 | Identical |
| NS EN 549 : 1ED 1995 | Identical |
| UNE-EN 549:1996 | Identical |
| SN EN 549 : 1995 | Identical |
| EN 549:1994 | Identical |
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