BS 5156:1985
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 diaphragm valves
Hardcopy , PDF
28-01-2002
English
29-11-1985
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Types
4. Nominal size range
5. Nominal pressure designations
6. Pressure/temperature ratings
7. Dimensions and tolerances of body ends
Section two. Design and operation
8. Design
9. Operation
Section three. Materials
10. Materials
Section four. Testing
11. Pressure test requirements
12. Test certificate
Section five. Marking
13. General
14. Body markings
15. Identification plate markings
16. Diaphragm markings
17. Marking indicating body lining
18. Material symbols
Section six. Preparation for storage and transportation
19. General
20. Diaphragm positions
21. Body ends
Appendices
A. Information to be supplied by the purchaser
B. Typical diaphragm valve constructions
Tables
1. Face-to-face dimensions for flanged body end valves
and end-to-end dimensions for butt weld end valves
2. Materials
3. Test durations
Figures
1. Typical weir pattern diaphragm valve
2. Typical straight through pattern diaphragm valve
3. Typical weir pattern valve
4. Typical straight through pattern valve
Specifies size, rating, design, materials, marking, preparation for transport and storage and pressure testing requirements for flanged and screwed diaphragm valves with nominal pressure up to PN 16. For flanged valves covers the range DN 10 to DN 300 and for valves with internal screwed threads, sizes ¼ to 3.
| Committee |
PSE/18
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| ISO 6708:1995 | Pipework components Definition and selection of DN (nominal size) |
| BS 1560-2:1970 | Circular flanges for pipes, valves and fittings (Class designated) Specification for steel pipe flanges (nominal sizes ½ in to 24 in). Metric dimensions |
| BS 5840-1:1980 | Valve mating details for actuator operation Specification for flange dimensions and characteristics |
| ISO 5752:1982 | Metal valves for use in flanged pipe systems Face-to-face and centre-to-face dimensions |
| BS 5146-2:1984 | Inspection and test of valves Specification for pressure testing requirements for general purpose valves |
| ASME B16.5 : 2017 | PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD |
| BS 1580-1&2(1962) : 1962 | SPECIFICATION FOR UNIFIED SCREW THREADS - DIAMETERS 1/4 INCH AND LARGER |
| BS 4504-2:1974 | Circular flanges for pipes, valves and fittings (PN designated) Copper alloy and composite flanges |
| BS 4504-1:1969 | Circular flanges for pipes, valves and fittings (PN designated) Ferrous |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.