NS EN 751-3 : 1ED 1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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SEALING MATERIALS FOR METALLIC THREADED JOINTS IN CONTACT WITH 1ST, 2ND AND 3RD FAMILY GASES AND HOT WATER - PART 3: UNSINTERED PTFE TAPES
12-01-2013
19-07-2022
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Classification of PTFE tapes
5 Requirements
5.1 Requirements to be met by the PTFE tape as
received
5.2 Requirements to be met by the PTFE tape after
assembly
5.3 Re-test
6 Test material and documentation
6.1 Test material
6.2 Test documentation
7 Test methods
7.1 Test methods for PTFE tapes as received
7.2 Test of PTFE tapes after assembly
8 Marking and instructions
8.1 Marking on packages
8.2 Instructions
Defines requirements and methods of test for tapes produced from virgin unsintered polytetrafluoroethylene to be used with metallic threaded joints. Specifies two classes of tapes, mostly differing in thickness and mass per area, for fine (F) and coarse (G) threads.
| DocumentType |
Standard
|
| PublisherName |
Norwegian Standards (Norges Standardiseringsforbund)
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NEN EN 751-3 : 1997 C1 1997 | Identical |
| DIN EN 751-3:1997-08 | Identical |
| I.S. EN 751-3:1997 | Identical |
| NF EN 751-3 : 1997 | Identical |
| NBN EN 751-3 : 1997 COR 1997 | Identical |
| BS EN 751-3:1997 | Identical |
| UNE-EN 751-3:1997 | Identical |