BS 3293 Standard Welding Neck , Slip On Flange Dimensions and Technical Drawing
DOWNLOAD BS 3293 STANDARD WELDING NECK , SLIP ON FLANGE DIMENSIONS AND TECHNICAL DRAWING PDF
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BS 3293 Flange Dimensions and Tolerances
BS 3293 : 1960
|
Dimension |
Tolerance |
| in |
mm |
| Weld Neck and Slip On Flanges (pages 8-56 to8-59) |
G (raised face diameter) |
±1/64 |
±0.40 |
| C (flange thickness) |
+3/16, -0 |
+4.76, -0 |
| D (overall length) |
±1/8 |
±3.18 |
| E (outside diameter at welding end of weld neck hub) |
+5/32, 1/32 |
+3.97, -0.79 |
| B (inside diameter of weld neck flange) |
+1/8, 1/16 |
+3.18, -1.59 |
| B (inside diameter of slip on flange) |
+1/16, -0 |
+1.59, -0 |
| Ring Joint Facingon Weld Neck and Slip On Flanges (see below) |
L (depth of groove) |
+1/64, -0 |
+0.40, -0 |
| M (width of groove) |
±0.008 |
±0.20 |
| K (pitch diameter of groove) |
±0.005 |
±0.13 |
BS 3293 Ring Joint Facings Dimensions
Dimensions in MM
BS 3293 weld neck and flange slip on flange class 150 dimensions
Dimensions in MM
BS 3293 weld neck and flange slip on flange class 300 dimensions
Dimensions in MM
BS 3293 weld neck and flange slip on flange class 400 dimensions
Dimensions in MM
BS 3293 weld neck and flange slip on flange class 600 dimensions
Dimensions in MM
BS 3293 Flange Industries and Applications
Widely used in the industries
- Pumps, Valves, and vessels in manufacturing and food processing.
- Pipe connections in industrial waterworks.
- Heat exchangers and heating systems of all sizes.
- Mining support.
- Nuclear power systems.
- Plumbing and mechanical systems.
- Assemblies in the oil, gas, and petrochemical industries.
- Fire protection systems.
BS 3293 Flange Supply and Export Network
List of Cities and Countries
