BS 6755-1:1986
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Testing of valves Specification for production pressure testing requirements
Hardcopy , PDF
23-05-2003
English
31-12-1986
Foreword
Committees responsible
Specification
Section one. General
1. Scope
2. Definitions
Section two. Performance
3. General
4. Pressure-containing capability of valve shell
5. Butterfly valve disk strength
6. Seat leakage
7. Back seat leakage
8. Test certificate
Appendices
A. Equivalent leakage rates
B. Test durations
C. Equivalent sizes of valves having flanged ends,
threaded ends, weld ends and capillary or
compression ends
D. Pressure tests
Tables
1. Maximum permissible seat test leakage rates
2. Maximum permissible back seat test leakage rates
3. Equivalent leakage rates
4. Test durations
5. Equivalent sizes of valves
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