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ANSI B16.47 Flanges
A relentless effort to keep on reinventing and innovating our products and services has made us a leading quality product dispensing company. Our customers are our priority. We are a manufacturer and supplier of ANSI B16.47 Flanges, which are large diameter flanges that are further classified into ANSI B16.47 Series A and ANSI B16.47 Series B flanges. ANSI B16.47 Series A flanges are upscale yet thicker, stronger and bulkier in their design than ANSI B16.47 Series B flanges, thus they perform well when equipped under massive pressure loads, with service applications in the load handling equipment and heavy-duty engineering services.
Description
Orbit Engineering co.
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Product Structure
Standard Specication For ANSI B16.47 Flanges
Dimensions : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size : 1/2″ (15 NB) to 48″ (1200NB)
Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629,
DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673
BS : BS4504 , BS4504, BS1560, BS10
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Material & Grades of ANSI B16.47 Flanges :
Carbon Steel ANSI B16.47 Flanges :
ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
Low Temperature Carbon Steel ANSI B16.47 Flanges : ASTM A350, LF2, LF3
Alloy Steel ANSI B16.47 Flanges :
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
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Technical Parameters
ASME B16.47 Series A Class 150 Flange Dimensions
| Nominal Size | Outside Diameter(OD) | Min. Thickness [Note1] – WNF (tf) |
Min. Thickness [Note1] – Blind (tf) |
Length Through Hub (Y) |
Hub Dia. Base [Note2] (X) |
Hub Dia. Top (A |
Raised Face Dia. (R) |
Drilling – Bolt Circle Dia | Drilling – No. of Bolt Holes | Drilling – Dia. of Bolt Hole | Dia. of Bolt | Min. Fillet Radius（r1) |
| 26 | 34.25 | 2.63 | 2.63 | 4.69 | 26.62 | 26 | 29.5 | 31.75 | 24 | 13⁄8 | 11⁄4 | 0.38 |
| 28 | 36.5 | 2.75 | 2.75 | 4.88 | 28.62 | 28 | 31.5 | 34 | 28 | 13⁄8 | 11⁄4 | 0.44 |
| 30 | 38.75 | 2.88 | 2.88 | 5.32 | 30.75 | 30 | 33.75 | 36 | 28 | 13⁄8 | 11⁄4 | 0.44 |
| 32 | 41.75 | 3.13 | 3.13 | 5.63 | 32.75 | 32 | 36 | 38.5 | 28 | 15⁄8 | 11⁄2 | 0.44 |
| 34 | 43.75 | 3.19 | 3.19 | 5.82 | 34.75 | 34 | 38 | 40.5 | 32 | 15⁄8 | 11⁄2 | 0.5 |
| 36 | 46 | 3.5 | 3.5 | 6.13 | 36.75 | 36 | 40.25 | 42.75 | 32 | 15⁄8 | 11⁄2 | 0.5 |
| 38 | 48.75 | 3.38 | 3.38 | 6.13 | 39 | 38 | 42.25 | 45.25 | 32 | 15⁄8 | 11⁄2 | 0.5 |
| 40 | 50.75 | 3.5 | 3.5 | 6.38 | 41 | 40 | 44.25 | 47.25 | 36 | 15⁄8 | 11⁄2 | 0.5 |
| 42 | 53 | 3.75 | 3.75 | 6.69 | 43 | 42 | 47 | 49.5 | 36 | 15⁄8 | 11⁄2 | 0.5 |
| 44 | 55.25 | 3.94 | 3.94 | 6.94 | 45 | 44 | 49 | 51.75 | 40 | 15⁄8 | 11⁄2 | 0.5 |
| 46 | 57.25 | 4 | 4 | 7.25 | 47.12 | 46 | 51 | 53.75 | 40 | 15⁄8 | 11⁄2 | 0.5 |
| 48 | 59.5 | 4.19 | 4.19 | 7.5 | 49.12 | 48 | 53.5 | 56 | 44 | 15⁄8 | 11⁄2 | 0.5 |
| 50 | 61.75 | 4.32 | 4.32 | 7.94 | 51.25 | 50 | 55.5 | 58.25 | 44 | 17⁄8 | 13⁄4 | 0.5 |
| 52 | 64 | 4.5 | 4.5 | 8.19 | 53.25 | 52 | 57.5 | 60.5 | 44 | 17⁄8 | 13⁄4 | 0.5 |
| 54 | 66.25 | 4.69 | 4.69 | 8.44 | 55.25 | 54 | 59.5 | 62.75 | 44 | 17⁄8 | 13⁄4 | 0.5 |
| 56 | 68.75 | 4.82 | 4.82 | 8.94 | 57.38 | 56 | 62 | 65 | 48 | 17⁄8 | 13⁄4 | 0.5 |
| 58 | 71 | 5 | 5 | 9.19 | 59.38 | 58 | 64 | 67.25 | 48 | 17⁄8 | 13⁄4 | 0.5 |
| 60 | 73 | 5.13 | 5.13 | 9.38 | 61.38 | 60 | 66 | 69.25 | 52 | 17⁄8 | 13⁄4 | 0.5 |
Dimensions are in inches.
1) The minimum flange thickness does not include the raised face thickness
2) This dimension is for the large end of hub, which may be straight or tapered.
3) Weldneck Bore/ID is to be specified by the purchaser
4) For other details and tolerances see specification.
ANSI/ASME B16.47 Series A Class 300 Flange Dimensions
| Nominal Size | Outside Diameter(OD) | Min. Thickness [Note1] – WNF (tf) |
Min. Thickness [Note1] – Blind (tf) |
Length Through Hub (Y) |
Hub Dia. Base [Note2] (X) |
Hub Dia. Top (A |
Raised Face Dia. (R) |
Drilling – Bolt Circle Dia | Drilling – No. of Bolt Holes | Drilling – Dia. of Bolt Hole | Dia. of Bolt | Min. Fillet Radius（r1) |
| 26 | 38.25 | 3.07 | 3.25 | 7.19 | 28.38 | 26 | 29.5 | 34.5 | 28 | 13/4 | 15/8 | 0.38 |
| 28 | 40.75 | 3.32 | 3.5 | 7.69 | 30.5 | 28 | 31.5 | 37 | 28 | 13/4 | 15/8 | 0.44 |
| 30 | 43 | 3.57 | 3.69 | 8.19 | 32.56 | 30 | 33.75 | 39.25 | 28 | 17/8 | 13/4 | 0.44 |
| 32 | 45.25 | 3.82 | 3.88 | 8.69 | 34.69 | 32 | 36 | 41.5 | 28 | 2 | 17/8 | 0.44 |
| 34 | 47.5 | 3.94 | 4.07 | 9.07 | 36.88 | 34 | 38 | 43.5 | 28 | 2 | 17/8 | 0.5 |
| 36 | 50 | 4.07 | 4.32 | 9.44 | 39 | 36 | 40.25 | 46 | 32 | 21/8 | 2 | 0.5 |
| 38 | 46 | 4.19 | 4.19 | 7.06 | 39.12 | 38 | 40.5 | 43 | 32 | 15/8 | 11/2 | 0.5 |
| 40 | 48.75 | 4.44 | 4.44 | 7.56 | 41.25 | 40 | 42.75 | 45.5 | 32 | 13/4 | 15/8 | 0.5 |
| 42 | 50.75 | 4.63 | 4.63 | 7.82 | 43.25 | 42 | 44.75 | 47.5 | 32 | 13/4 | 15/8 | 0.5 |
| 44 | 53.25 | 4.82 | 4.82 | 8.06 | 45.25 | 44 | 47 | 49.75 | 32 | 17/8 | 13/4 | 0.5 |
| 46 | 55.75 | 5 | 5 | 8.44 | 47.38 | 46 | 49 | 52 | 28 | 2 | 17/8 | 0.5 |
| 48 | 57.75 | 5.19 | 5.19 | 8.75 | 49.38 | 48 | 51.25 | 54 | 32 | 2 | 17/8 | 0.5 |
| 50 | 60.25 | 5.44 | 5.44 | 9.07 | 51.38 | 50 | 53.5 | 56.25 | 32 | 21/8 | 2 | 0.5 |
| 52 | 62.25 | 5.63 | 5.63 | 9.32 | 53.38 | 52 | 55.5 | 58.25 | 32 | 21/8 | 2 | 0.5 |
| 54 | 65.25 | 5.94 | 5.94 | 9.88 | 55.5 | 54 | 57.75 | 61 | 28 | 23/8 | 21/4 | 0.5 |
| 56 | 67.25 | 6 | 6 | 10.19 | 57.62 | 56 | 59.75 | 63 | 28 | 23/8 | 21/4 | 0.5 |
| 58 | 69.25 | 6.19 | 6.19 | 10.44 | 59.62 | 58 | 62 | 65 | 32 | 23/8 | 21/4 | 0.5 |
| 60 | 71.25 | 6.38 | 6.38 | 10.69 | 61.62 | 60 | 64 | 67 | 32 | 23/8 | 21/4 | 0.5 |
ANSI B16.47 Series A Class 400 Flange Dimensions
| Nominal Size | Outside Diameter(OD) | Min. Thickness [Note1] – WNF (tf) |
Min. Thickness [Note1] – Blind (tf) |
Length Through Hub (Y) |
Hub Dia. Base [Note2] (X) |
Hub Dia. Top (A |
Raised Face Dia. (R) |
Drilling – Bolt Circle Dia | Drilling – No. of Bolt Holes | Drilling – Dia. of Bolt Hole | Dia. of Bolt | Min. Fillet Radius（r1) |
| 26 | 38.25 | 3.5 | 3.88 | 7.62 | 28.62 | 26 | 29.5 | 34.5 | 28 | 17/8 | 13/4 | 0.44 |
| 28 | 40.75 | 3.75 | 4.12 | 8.12 | 30.81 | 28 | 31.5 | 37 | 28 | 2 | 17/8 | 0.5 |
| 30 | 43 | 4 | 4.38 | 8.62 | 32.94 | 30 | 33.75 | 39.25 | 28 | 21/8 | 2 | 0.5 |
| 32 | 45.25 | 4.25 | 4.56 | 9.12 | 35 | 32 | 36 | 41.5 | 28 | 21/8 | 2 | 0.5 |
| 34 | 47.5 | 4.38 | 4.81 | 9.5 | 37.19 | 34 | 38 | 43.5 | 28 | 21/8 | 2 | 0.56 |
| 36 | 50 | 4.5 | 5.06 | 9.88 | 39.38 | 36 | 40.25 | 46 | 32 | 21/8 | 2 | 0.56 |
| 38 | 47.5 | 4.88 | 4.88 | 8.12 | 39.5 | 38 | 40.75 | 44 | 32 | 17/8 | 13/4 | 0.56 |
| 40 | 50 | 5.12 | 5.12 | 8.5 | 41.5 | 40 | 43 | 46.25 | 32 | 2 | 17/8 | 0.56 |
| 42 | 52 | 5.25 | 5.25 | 8.81 | 43.62 | 42 | 45 | 48.25 | 32 | 2 | 17/8 | 0.56 |
| 44 | 54.5 | 5.5 | 5.5 | 9.18 | 45.62 | 44 | 47.25 | 50.5 | 32 | 21/8 | 2 | 0.56 |
| 46 | 56.75 | 5.75 | 5.75 | 9.62 | 47.75 | 46 | 49.5 | 52.75 | 36 | 21/8 | 2 | 0.56 |
| 48 | 59.5 | 6 | 6 | 10.12 | 49.88 | 48 | 51.5 | 55.25 | 28 | 23/8 | 21/4 | 0.56 |
| 50 | 61.75 | 6.19 | 6.25 | 10.56 | 52 | 50 | 53.62 | 57.5 | 32 | 23/8 | 21/4 | 0.56 |
| 52 | 63.75 | 6.38 | 6.44 | 10.88 | 54 | 52 | 55.62 | 59.5 | 32 | 23/8 | 21/4 | 0.56 |
| 54 | 67 | 6.69 | 6.75 | 11.38 | 56.12 | 54 | 57.88 | 62.25 | 28 | 25/8 | 21/2 | 0.56 |
| 56 | 69 | 6.88 | 6.94 | 11.75 | 58.25 | 56 | 60.12 | 64.25 | 32 | 25/8 | 21/2 | 0.56 |
| 58 | 71 | 7 | 7.12 | 12.06 | 60.25 | 58 | 62.12 | 66.25 | 32 | 25/8 | 21/2 | 0.56 |
| 60 | 74.25 | 7.31 | 7.44 | 12.56 | 62.38 | 60 | 64.38 | 69 | 32 | 27/8 | 23/4 | 0.56 |
ANSI B16.47 Series A Class 600 Flange Dimension
| Nominal Size | Outside Diameter(OD) | Min. Thickness [Note1] – WNF (tf) |
Min. Thickness [Note1] – Blind (tf) |
Length Through Hub (Y) |
Hub Dia. Base [Note2] (X) |
Hub Dia. Top (A |
Raised Face Dia. (R) |
Drilling – Bolt Circle Dia | Drilling – No. of Bolt Holes | Drilling – Dia. of Bolt Hole | Dia. of Bolt | Min. Fillet Radius（r1) |
| 26 | 40 | 4.25 | 4.94 | 8.75 | 29.44 | 26 | 29.5 | 36 | 28 | 2 | 17/8 | 0.5 |
| 28 | 42.25 | 4.38 | 5.19 | 9.25 | 31.62 | 28 | 31.5 | 38 | 28 | 21/8 | 2 | 0.5 |
| 30 | 44.5 | 4.5 | 5.5 | 9.75 | 33.94 | 30 | 33.75 | 40.25 | 28 | 21/8 | 2 | 0.5 |
| 32 | 47 | 4.62 | 5.81 | 10.25 | 36.12 | 32 | 36 | 42.5 | 28 | 23/8 | 21/4 | 0.5 |
| 34 | 49 | 4.75 | 6.06 | 10.62 | 38.31 | 34 | 38 | 44.5 | 28 | 23/8 | 21/4 | 0.56 |
| 36 | 51.75 | 4.88 | 6.38 | 11.12 | 40.62 | 36 | 40.25 | 47 | 28 | 25/8 | 21/2 | 0.56 |
| 38 | 50 | 6 | 6.12 | 10 | 40.25 | 38 | 41.5 | 45.75 | 28 | 23/8 | 21/4 | 0.56 |
| 40 | 52 | 6.25 | 6.38 | 10.38 | 42.25 | 40 | 43.75 | 47.75 | 32 | 23/8 | 21/4 | 0.56 |
| 42 | 55.25 | 6.62 | 6.75 | 11 | 44.38 | 42 | 46 | 50.5 | 28 | 25/8 | 21/2 | 0.56 |
| 44 | 57.25 | 6.81 | 7 | 11.38 | 46.5 | 44 | 48.25 | 52.5 | 32 | 25/8 | 21/2 | 0.56 |
| 46 | 59.5 | 7.06 | 7.31 | 11.81 | 48.62 | 46 | 50.25 | 54.75 | 32 | 25/8 | 21/2 | 0.56 |
| 48 | 62.75 | 7.44 | 7.69 | 12.44 | 50.75 | 48 | 52.5 | 57.5 | 32 | 27/8 | 23/4 | 0.56 |
| 50 | 65.75 | 7.75 | 8 | 12.94 | 52.88 | 50 | 54.5 | 60 | 28 | 31/8 | 3 | 0.56 |
| 52 | 67.75 | 8 | 8.25 | 13.25 | 54.88 | 52 | 56.5 | 62 | 32 | 31/8 | 3 | 0.56 |
| 54 | 70 | 8.25 | 8.56 | 13.75 | 57 | 54 | 58.75 | 64.25 | 32 | 31/8 | 3 | 0.56 |
| 56 | 73 | 8.56 | 8.88 | 14.25 | 59.12 | 56 | 60.75 | 66.75 | 32 | 33/8 | 31/4 | 0.62 |
| 58 | 75 | 8.75 | 9.12 | 14.56 | 61.12 | 58 | 63 | 68.75 | 32 | 33/8 | 31/4 | 0.62 |
| 60 | 78.5 | 9.19 | 9.56 | 15.31 | 63.38 | 60 | 65.25 | 71.75 | 28 | 35/8 | 31/2 | 0.69 |
ASME B16.47 Series A Class 900 Flange Dimensions
| Nominal Size | Outside Diameter(OD) | Min. Thickness [Note1] – WNF (tf) |
Min. Thickness [Note1] – Blind (tf) |
Length Through Hub (Y) |
Hub Dia. Base [Note2] (X) |
Hub Dia. Top (A |
Raised Face Dia. (R) |
Drilling – Bolt Circle Dia | Drilling – No. of Bolt Holes | Drilling – Dia. of Bolt Hole | Dia. of Bolt | Min. Fillet Radius（r1) |
| 26 | 42.75 | 5.5 | 6.31 | 11.25 | 30.5 | 26 | 29.5 | 37.5 | 20 | 27/8 | 23/4 | 0.44 |
| 28 | 46 | 5.62 | 6.75 | 11.75 | 32.75 | 28 | 31.5 | 40.25 | 20 | 31/8 | 3 | 0.5 |
| 30 | 48.5 | 5.88 | 7.18 | 12.25 | 35 | 30 | 33.75 | 42.75 | 20 | 31/8 | 3 | 0.5 |
| 32 | 51.75 | 6.25 | 7.62 | 13 | 37.25 | 32 | 36 | 45.5 | 20 | 33/8 | 31/4 | 0.5 |
| 34 | 55 | 6.5 | 8.06 | 13.75 | 39.62 | 34 | 38 | 48.25 | 20 | 35/8 | 31/2 | 0.56 |
| 36 | 57.5 | 6.75 | 8.44 | 14.25 | 41.88 | 36 | 40.25 | 50.75 | 20 | 35/8 | 31/2 | 0.56 |
| 38 | 57.5 | 7.5 | 8.5 | 13.88 | 42.25 | 38 | 43.25 | 50.75 | 20 | 35/8 | 31/2 | 0.75 |
| 40 | 59.5 | 7.75 | 8.81 | 14.31 | 44.38 | 40 | 45.75 | 52.75 | 24 | 35/8 | 31/2 | 0.81 |
| 42 | 61.5 | 8.12 | 9.12 | 14.62 | 46.31 | 42 | 47.75 | 54.75 | 24 | 35/8 | 31/2 | 0.81 |
| 44 | 64.88 | 8.44 | 9.56 | 15.38 | 48.62 | 44 | 50 | 57.62 | 24 | 37/8 | 33/4 | 0.88 |
| 46 | 68.25 | 8.88 | 10.06 | 16.18 | 50.88 | 46 | 52.5 | 60.5 | 24 | 41/8 | 4 | 0.88 |
| 48 | 70.25 | 9.19 | 10.38 | 16.5 | 52.88 | 48 | 54.5 | 62.5 | 24 | 41/8 | 4 | 0.94 |
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Application
ANSI B16.5 ANSI B16.47 Flanges Application
ANSI B16.47 ANSI B16.47 Flanges are known to deliver exceptional performance and are generally developed for
meeting the demands. We offer a broad range of ANSI B16.47 Flanges through a network of stock keeping branches. These ANSI B16.47 Flange is use in various industries like :
Export Destinations For ANSI B16.47 Flanges
Stainless Steel ANSI B16.47 Flanges uses in Oil and Gas Pipeline
ANSI B16.47 Flanges uses in Chemical Industry
Alloy Steel ANSI B16.47 Flanges uses in Plumbing
ANSI B16.47 Flanges uses in Heating
ANSI B16.47 Pipe Flanges uses in Water Supply Systems
ANSI B16.5 ANSI B16.47 ANSI B16.47 Flanges uses in Power Plant
ANSI B16.47 Flanges uses in Paper & Pulp Industry
ANSI B16.47 Flange uses in General Purpose Applications
Steel ANSI B16.47 Flanges uses in Fabrication Industry
ANSI B16.47 Flange uses in Food Processing Industry
ANSI B16.47 Flanges uses in Structural Pipe
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Related products
ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
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