NEN EN 751-3 : 1997 C1 1997
Current
The latest, up-to-date edition.
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
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 |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| SN EN 751-3 : 1997 | Identical |
| DIN EN 751-3:1997-08 | Identical |
| NS EN 751-3 : 1ED 1997 | Identical |
| ONORM EN 751-3 : 1997 AC 1997 | Identical |
| UNE-EN 751-3:1997 | Identical |
| BS EN 751-3:1997 | Identical |
| NF EN 751-3 : 1997 | Identical |
| UNI EN 751-3 : 1998 | Identical |
| I.S. EN 751-3:1997 | Identical |
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