UNI EN 751-3 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
SEALING MATERIALS FOR METALLIC THREADED JOINTS IN CONTACT WITH 1ST, 2ND AND 3RD FAMILY GASES AND HOT WATER - UNSINTERED PTFE TAPES
22-09-2022
30-11-1998
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 |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| UNE-EN 751-3:1997 | Identical |
| ONORM EN 751-3 : 1997 AC 1997 | Identical |
| BS EN 751-3:1997 | Identical |
| 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 |
| SN EN 751-3 : 1997 | Identical |
| NS EN 751-3 : 1ED 1997 | Identical |
| UNI 9167 : 2009 | INITIAL PRESSURE AND REDUCTION PLANTS FOR NATURAL GAS - DESIGN, CONSTRUCTION AND TESTING |
| UNI/TS 11343 : 2009 | GAS PLANTS FOR DOMESTIC USE - GAS PLANTS FOR DOMESTIC USES SUPPLIED BY DISTRIBUTION NETWORKS, BY LPG CYLINDERS AND LPG STORAGE TANKS, PERFORMED WITH MULTILAYER PIPES - DESIGN, INSTALLATION AND MAINTENANCE |
| UNI 11353 : 2010 | STAINLESS STEEL CORRUGATED FLEXIBLE SAFETY HOSE ASSEMBLIES FOR THE CONNECTION OF GAS APPLIANCES FOR DOMESTIC AND SIMILAR USES - SAFETY REQUIREMENTS |
| UNI 11528 : 2014 | GAS PLANTS OVER 35 KW - DESIGN, INSTALLATION AND COMMISSIONING |
| UNI/TR 11426 : 2011 | USE OF LPG PLANTS NOT FED BY A DISTRIBUTION NETWORK AT TEMPORARY OUTDOOR EVENTS - DESIGN, INSTALLATION, MAINTENANCE AND OPERATION |
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