NS EN 549 : 1ED 1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
RUBBER MATERIALS FOR SEALS AND DIAPHRAGMS FOR GAS APPLIANCES AND GAS EQUIPMENT
11-10-2019
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 |
Supersedes NS EN 278, NS EN 279 & NS EN 291 (08/2003)
|
| DocumentType |
Standard
|
| PublisherName |
Norwegian Standards (Norges Standardiseringsforbund)
|
| Status |
Superseded
|
| Standards | Relationship |
| NBN EN 549 : 1995 | Identical |
| DIN EN 549:1995-04 | Identical |
| I.S. EN 549:1995 | Identical |
| EN 549:1994 | Identical |
| NEN EN 549 : 1995 | Identical |
| BS EN 549:1995 | Identical |
| NF EN 549 : 1995 | Identical |
| SN EN 549 : 1995 | Identical |
| UNI EN 549 : 1996 | Identical |
| UNE-EN 549:1996 | Identical |
| ONORM EN 549 : 1995 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.