BS 5158:1989
Current
The latest, up-to-date edition.
Specification for cast iron plug valves
Hardcopy , PDF
English
09-29-1989
Foreword
Committees responsible
Specification
Section one. General
1. Scope
2. Definitions
3. Valve patterns
4. Nominal sizes
5. Pressure designation
6. Pressure/temperature ratings
7. Dimensions
Section two. Design and materials
8. Design
9. Operation
10. Materials
Section three. Testing
11. Pressure testing
12. Anti-static testing
13. Manufacturer's certificate
Section four. Marking
14. General
Section five. Preparation for storage and transportation
15. General
16. Body ends
Appendices
A. Information to be specified by purchaser
B. Typical plug valve constructions
Tables
1. Nominal size of valves and pressure designation
2. Minimum pressure/temperature soft seat ratings
3. Minimum outside diameters of sealing faces for
parallel threaded valves
4. Body tappings
5. Typical material symbols
Figures
1. Location of tappings
2. Lubricated plug valve. Parallel plug
3. Lubricated plug valve. Taper plug (simple gland)
4. Lubricated plug valve. Taper plug (compound gland)
5. Soft seated plug valve
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