BS 1560-3.1:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Circular flanges for pipes, valves and fittings (Class designated). Steel, cast iron and copper alloy flanges Specification for steel flanges
Hardcopy , PDF
30-11-2004
English
30-06-1989
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
Committees responsible
Specification
1 Scope
2 Ranges of nominal sizes
3 Class designations and pressure/temperature ratings
4 Materials
5 Bolting
6 Repairs
7 Dimensions
8 Flange facings
9 Spot facing or back facing of flanges
10 Tolerances
11 Marking
Appendices
A Information to be supplied by the purchaser
B Application and installation
C Determination of bolt lengths for lapped-type joints
D Recommended bolt lengths for flanges other than
lapped-type
E Recommendations for weld ends of weld-neck flanges
F Dimensions of seamless and welded steel pipes
G Use of metric bolting in lieu of inch bolting
H Comparison of flange descriptions in BS 1560 : Part
2 : 1970 with descriptions used in this section of
BS 1560
Tables
1 Types of steel flange
2 Synoptic table
3 Materials
4 Reducing threaded flanges Classes 150 to 2500
5 Facing dimensions for flanges other than ring-joint,
classes 150 to 2500
6 Dimensions of ring-joint facings (all Classes)
7 Surface finish for facings A, B, E, and F
8 Surface finish for facings C, D and J
9 Dimensions of Class 150 flanges
10 Dimensions of Class 300 flanges
11 Dimensions of Class 600 flanges
12 Dimensions of Class 900 flanges
13 Dimensions of Class 1500 flanges
14 Dimensions of Class 2500 flanges
15 Tolerances
16 Class 150: pressure/temperature ratings
17 Class 300: pressure/temperature ratings
18 Class 600: pressure/temperature ratings
19 Class 900: pressure/temperature ratings
20 Class 1500: pressure/temperature ratings
21 Class 2500: pressure/temperature ratings
22 Minimum fillet radius at the hub after back facing
23 Determination of studbolt lengths for lapped-type
joints
24 Bolting for flanges, Class 150 to 2500
25 Dimensions of seamless and welded steel pipe
26 Nominal bolt diameters
27 Inch/metric bolt comparisons
28 Steel flange descriptions and code numbers specified
in BS 1560 : Section 3.1 : 1989 and BS 1560 : Part 2
: 1970
Figures
1 Flange codes
2 Facings of types A to F and J
3 Reducing threaded flanges, Classes 150 to 2500
4 Flange facings, Classes 150 and 300 only, for
than lapped-type joints
5 Flange facings, Classes 600 to 2500, for other than
lapped-type joints
6 Facings for lapped-type joints
7 Dimensions of ring-joint facings (all Classes)
8 Dimensions of Class 150 flanges
9 Dimensions of Class 300 flanges
10 Dimensions of Class 600 flanges
11 Dimensions of Class 900 flanges
12 Dimensions of Class 1500 flanges
13 Dimensions of Class 2500 flanges
14 Minimum fillet radius at the hub after back facing
15 Bolting for flanges, Class 150 to Class 2500
16 Recommended bevel angles for welding
Specifies Class 150 to Class 2500 and sizes up to 24 in. Requirements facings, dimensions, tolerances, threading, bolt sizes, marking, materials for bolting and flange materials with associated pressure/temperature ratings.
| Committee |
PSE/15
|
| DevelopmentNote |
Supersedes BS 1560-2(1970), 85/78241 DC & 92/77111 DC (06/2004)
|
| DocumentType |
Standard
|
| Pages |
58
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 7438:1991 | Specification for steel and copper alloy wafer check valves, single-disk, spring-loaded type |
| 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 |
| DEFSTAN 02-313/1(2000) : 2000 AMD 1 2002 | DIESEL ENGINES FOR MARINE PROPULSION AND AUXILIARY MACHINERY |
| BS 4504-3.1:1989 | Circular flanges for pipes, valves and fittings (PN designated). Steel, cast iron and copper alloy flanges Specification for steel flanges |
| BS 7777-4:1993 | Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen and liquid argon |
| BS 4865-4:1989 | Dimensions of gaskets for flanges to BS 4504 Specification for corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges |
| BS 4865-1:1989 | Dimensions of gaskets for flanges to BS 4504 Specification for non-metallic flat gaskets (including gaskets for flanges to BS 4772) |
| BS 2790:1992 | Specification for design and manufacture of shell boilers of welded construction |
| BS 1894:1992 | Specification for design and manufacture of electric boilers of welded construction |
| BS 5353:1989 | Specification for steel plug valves |
| BS 4677:1984 | Specification for arc welding of austenitic stainless steel pipework for carrying fluids |
| BS 5306-5.1:1992 | Code of practice for fire extinguishing installations and equipment on premises. Halon systems Specification for halon 1301 total flooding systems |
| BS 1113:1992 | Specification for design and manufacture of water-tube steam generating plant (including superheaters, reheaters and steel tube economizers) |
| BS 5169:1992 | Specification for fusion welded steel air receivers |
| BS 4865-2:1989 | Dimensions of gaskets for flanges to BS 4504 Specification for spiral wound gaskets for use with steel flanges |
| BS 6501-1:1991 | Flexible metallic hose assemblies Specification for corrugated hose assemblies |
| BS 2971:1991 | Specification for class II arc welding of carbon steel pipework for carrying fluids |
| BS PD5500(2006) : 2006 | SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS |
| BS 2633:1987 | Specification for Class I arc welding of ferritic steel pipework for carrying fluids |
| BS 806:1993 | Specification for design and construction of ferrous piping installations for and in connection with land boilers |
| BS 2080:1989 | Specification for face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves |
| BS 4089:1989 | Specification for hoses and hose assemblies for liquefied petroleum gas |
| BS 5157:1989 | Specification for steel gate (parallel slide) valves |
| BS 3381:1989 | Specification for spiral wound gaskets for steel flanges to BS 1560 |
| BS 853-2:1996 | Specification for vessels for use in heating systems Tubular heat exchangers and storage vessels for building and industrial services |
| BS 7076-2:1989 | Dimensions of gaskets for flanges to BS 1560 Specification for metallic ring-joint gaskets for use with steel flanges |
| BS 7076-4:1989 | Dimensions of gaskets for flanges to BS 1560 Specification for corrugated, flat or grooved metallic and filled metallic gaskets |
| BS 7777-2:1993 | Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Specification for the design and construction of single, double and full containment metal tanks for the storage of liquefied gas at temperatures down to -165°C |
| EI MODEL CODE SAFE PRACTICE PT7 : 1998 | DESIGN, CONSTRUCTION, OPERATION AND MAINTENANCE OF AVIATION FUELLING FACILITIES |
| BS 534:1990 | Specification for steel pipes, joints and specials for water and sewage |
| BS 7076-3:1989 | Dimensions of gaskets for flanges to BS 1560 Specification for non-metallic envelope gaskets |
| BS 4865-3:1989 | Dimensions of gaskets for flanges to BS 4504 Specification for non-metallic envelope gaskets |
| BS 8010-3:1993 | Code of practice for pipelines Pipelines subsea: design, construction and installation |
| BS 7076-1:1989 | Dimensions of gaskets for flanges to BS 1560 Specification for non-metallic flat gaskets |
| BS 7076-4:1989 | Dimensions of gaskets for flanges to BS 1560 Specification for corrugated, flat or grooved metallic and filled metallic gaskets |
| BS 4504-3.1:1989 | Circular flanges for pipes, valves and fittings (PN designated). Steel, cast iron and copper alloy flanges Specification for steel flanges |
| ASTM A 537/A537M : 2013 | Standard Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel |
| BS 3643-1:1981 | ISO metric screw threads Principles and basic data |
| BS 3351:1971 | Specification for piping systems for petroleum refineries and petrochemical plants |
| BS 5135:1984 | Specification for arc welding of carbon and carbon manganese steels |
| ASTM A 516/A516M : 2017 : REDLINE | Standard Specification for Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service |
| BS 1769:1951 | Specification. Unified black hexagon bolts, screws, nuts (UNC & UNF threads). Heavy series |
| ASME B31.3:2016 | PROCESS PIPING |
| BS 7076-3:1989 | Dimensions of gaskets for flanges to BS 1560 Specification for non-metallic envelope gaskets |
| BS 7076-2:1989 | Dimensions of gaskets for flanges to BS 1560 Specification for metallic ring-joint gaskets for use with steel flanges |
| ASTM A 351/A351M : 2016-05 | SPECIFICATION FOR CASTINGS, AUSTENITIC, FOR PRESSURE-CONTAINING PARTS |
| ASME B1.20.1 : 2013(R2018) | PIPE THREADS, GENERAL PURPOSE (INCH) |
| BS 1501-2:1988 | Steels for pressure purposes Specification for alloy steels: plates |
| ASME B36.10M : 2015 | WELDED AND SEAMLESS WROUGHT STEEL PIPE |
| BS 1600:1991 | Specification for dimensions of steel pipe for the petroleum industry |
| ASTM A 217/A217M : 2014 : REDLINE | Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service |
| BS 1503:1989 | Specification for steel forgings for pressure purposes |
| 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 |
| ASME B16.5 : 2017 | PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD |
| ASME B16.9 : 2012 | FACTORY-MADE WROUGHT BUTTWELDING FITTINGS |
| ASTM A 515/A515M : 2017 : REDLINE | Standard Specification for Pressure Vessel Plates, Carbon Steel, for Intermediate- and Higher-Temperature Service |
| ASTM A 203/A203M : 2017 : REDLINE | Standard Specification for Pressure Vessel Plates, Alloy Steel, Nickel |
| BS 3410:1961 | Specification for metal washers for general engineering purposes |
| BS 4504-3.3:1989 | Circular flanges for pipes, valves and fittings (PN designated) Specification for copper alloy and composite flanges |
| BS 7076-1:1989 | Dimensions of gaskets for flanges to BS 1560 Specification for non-metallic flat gaskets |
| BS 1504:1976 | Specification for steel castings for pressure purposes |
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.