BS 5150:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for cast iron gate valves
Hardcopy , PDF
09-06-2003
English
31-05-1990
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Foreword
Committees responsible
Section one. General
1. Scope
2. Definitions
3. Types of valves
4. Nominal sizes
5. Nominal pressures
6. Pressure/temperature ratings
7. Dimensions and tolerances
Section two. Design
8. General
9. Body or bonnet tappings
10. Stem sealing
11. Body end ports and seat bores
12. Back seat
13. Valves for potable water
14. Operation
15. Indicators
Section three. Materials
16. Body, bonnet, yoke and stuffing box materials
17. Trim, stem nut/yoke sleeve materials
Section four. Testing
18. Production pressure testing
19. Test certificate
Section five. Marking
20. Marking
21. Identification symbols
Section six. Preparation for storage and transportation
22. General
23. Obturator position and body ends
Appendices
A. Information to be supplied by the purchaser
B. Designation for purchasing purposes
Tables
1. Pressure/temperature ratings for PN designated valves
2. Pressure/temperature ratings for valves with Class
125 and Class 150 flanges
3. Face-to-face dimensions and tolerances of flanged
end non-clamp pattern valves
4. Face-to-face dimensions of flanged end clamp pattern
valves
5. Minimum outside diameters of sealing faces for
parallel threaded values complying with BS 2779
6. Maximum heights of valves
7. Minimum thread nominal size for body or bonnet
tappings
8. Dimensions of body end ports and seat bores
9. Body, bonnet, yoke and stuffing box materials
10. Materials for trim components and yoke sleeve
11. Identification symbols
12. Identification codes
Figure
1. Sketches showing maximum heights of valves
Requirements for flanged and threaded end valves for general purposes in sizes DN 10 to DN 1000 for flange valves and ½ to 6 for threaded end valves for nominal pressures in the range PN 6 to PN 25.
| Committee |
PSE/18
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 5996:1984 | Similar to |
| ISO 5996:1984 | Cast iron gate valves |
| ASTM B 584 : 2014 : REDLINE | Standard Specification for Copper Alloy Sand Castings for General Applications |
| 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 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 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 6755-1:1986 | Testing of valves Specification for production pressure testing requirements |
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