BS 1655:1950
Current
The latest, up-to-date edition.
Specification for flanged automatic control valves for the process control industry (face-to-face dimensions)
Hardcopy , PDF
English
12-07-1950
Important note : Users cannot be edited or removed once added to your Multi user PDF.Valves of conventional pneumatic-diaphragm-operated single or double beat type. Recommendation that applies to other types of automatic control valve for process control industry.
| Committee |
GEL/65/2
|
| DevelopmentNote |
Reviewed and confirmed by BSI, October 2012. (09/2012)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
The following categories of flanged automatic control valves with metal bodies are covered in this British Standard.
Category 0.
- Valves with flanges in accordance with BS 45041), PN 10 (10 bar) and PN 16 (16 bar).
NOTE These face-to-face dimensions are subject to international negotiation; the listed dimensions may be used but are subject to agreement between the user and the manufacturer.
- Valves with flanges in accordance with BS 15602), Class 150.
- Valves with flanges in accordance with Class 125 (see BS 51503), Table 7).
Category 1.
- Valves with flanges in accordance with BS 1560, Class 300.
- Valves with flanges in accordance with BS 4504, PN 25 (25 bar) and PN 40 (40 bar).
NOTE These face-to-face dimensions are subject to international negotiation; the listed dimensions may be used but are subject to agreement between the user and the manufacturer.
- Valves with flanges in accordance with BS 104), Tables up to and including Table J, also Table L, Table M and Table P.
NOTE 1 Table C flange thicknesses are to be provided where valve flanges are called for in accordance with Table A and Table B, Table F thicknesses for Table D and Table F.
NOTE 2 BS 10 is obsolescent.
Category 2.
- Valves with flanges in accordance with BS 1560, Class 600.
- Valves with flanges in accordance with BS 4504, PN 64 (64 bar) and PN 100 (100 bar).
- Valves with flanges in accordance with BS 10, Table K and Table R.
NOTE BS 10 is obsolescent.
| BS 3351:1971 | Specification for piping systems for petroleum refineries and petrochemical plants |
| BS 10:1962 | Specification for flanges and bolting for pipes, valves, and fittings |
| BS 1560:1958 | Steel pipe flanges and flanged fittings (nominal sizes 1/2 in to 24 in) for the petroleum industry |
| BS 5150:1974 | Specification for cast iron wedge and double disk gate valves for general purposes |
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