BS 6974:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for unsintered PTFE tape for thread sealing applications (coarse threads)
Hardcopy , PDF
15-07-1997
English
28-02-1991
Foreword
Committees responsible
Specification
1. Scope
2. Composition
3. Appearance and finish
4. Tolerances on tape dimensions
5. Thread wrapping properties
6. Sealing
7. Sampling
8. Marking
Appendices
A. Determination of residual lubricant content
B. Measurement of tape dimensions
C. Thread wrapping test
D. Thread sealing tests
Tables
1. Steel tube samples
2. Steel socket samples
3. Quantity, assembly and designation of test couplings
Figure
1. Thread wrapping test
Suitable for sealing screwed joints up to a pressure of 80 bar gauge in a temperature range -20 to 200°C. The tape to be used for sealing screwed joints up to at least 50 mm (12 ins) bore with threads typically to BS 21.
| Committee |
PSE/15
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 7786:1995 | Specification for unsintered PTFE tape. General requirements |
| BS 6896:1991 | Specification for installation of gas-fired overhead radiant heaters for industrial and commercial heating (2nd and 3rd family gases) |
| BS 6400:1997 | Specification for installation of domestic sized gas meters (2nd and 3rd family gases) |
| 05/30086662 DC : DRAFT JAN 2005 | BS 6400-2 - SPECIFICATION FOR THE INSTALLATION, EXCHANGE, RELOCATION AND REMOVAL OF DOMESTIC-SIZED GAS METERS (2ND AND 3RD FAMILY GASES) - PART 2: MEDIUM PRESSURE (2ND FAMILY GASES) |
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