BS 5158:1989
Current
The latest, up-to-date edition.
Specification for cast iron plug valves
Hardcopy , PDF
English
09-29-1989
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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
Pressure/temperature ratings, materials, design, dimensions, operation, performance, testing and marking of lubricated and soft seated and lined valves having anti-static requirements. Short, regular and venturi pattern valves are covered in sizes up to DN 600 with pressure designations PN10, PN16 and PN25, also Class designations 125, 150, 250 and 300.
| Committee |
PSE/18/3
|
| DevelopmentNote |
Supersedes BS 5158(1974) & 88/71221 DC. (07/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard specifies the requirements for valve seat and body pressure/temperature ratings and for the design, including materials, dimensions, operation, performance, testing and marking of lubricated, and soft seated and lined cast iron plug valves having anti-static requirements.
It applies to short, regular and venturi pattern valves. The range of valves covered by this standard is given in table 1 (see also clause 4).
NOTE 1. The information to be supplied by the purchaser at the time of the enquiry and/or order is given in appendix A.
NOTE 2. The titles of the publications referred to in this standard are listed on the inside back cover.
| BS 5353:1989 | Specification for steel plug valves |
| BS 6683:1985 | Guide to installation and use of valves |
| ISO 1179:1981 | Pipe connections, threaded to ISO 228/1, for plain end steel and other metal tubes in industrial applications |
| BS 1769:1951 | Specification. Unified black hexagon bolts, screws, nuts (UNC & UNF threads). Heavy series |
| BS 4439:1969 | Specification for screwed studs for general purposes. Metric series |
| ISO 6708:1995 | Pipework components Definition and selection of DN (nominal size) |
| BS 5840-1:1980 | Valve mating details for actuator operation Specification for flange dimensions and characteristics |
| ASME B1.20.1 : 2013(R2018) | PIPE THREADS, GENERAL PURPOSE (INCH) |
| BS 6920-1:1988 | Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of the water. Specification |
| BS 1560-3.2:1989 | Circular flanges for pipes, valves and fittings (Class designated). Steel, cast iron and copper alloy flanges Specification for cast iron flanges |
| BS 2693-1:1956 | Specification for screwed studs General purpose studs |
| BS 4504-3.2(1989) : 1989 | CIRCULAR FLANGES FOR PIPES, VALVES & FITTINGS (PN DESIGNATED) - STEEL, CAST IRON & COPPER ALLOY FLANGES - SPECIFICATION FOR CAST IRON FLANGES |
| BS 3468:1986 | Specification for austenitic cast iron |
| BS 3692:2001 | ISO metric precision hexagon bolts, screws and nuts. Specification |
| BS 6755-1:1986 | Testing of valves Specification for production pressure testing requirements |
| BS 6681:1986 | Specification for malleable cast iron |
| BS 5418:1979 | Specification for marking of general purpose industrial valves |
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