Dimension
ASME B16.47 Series A (MSS SP-44) & Series B (API 605)
ASME B16.47 Flange
Check ANSI B16.47 Series A Blind Flange Dimensions & Weight Chart, Difference Between ASME B16.47 Series A And Series B
An Introduction to Large Diameter Steel Flanges
The big dimension flange isa Large Diameter Steel Flanges used to join or block off two extremely large diameter pipelines. They are generally used for specialist pipes, like pipes used in natural gas pipelines and refinery plumbing.
Flanges are constructed from a variety of materials. They can be made of bronze, brass, polyester, or even silicone, although the most common substance is not so specialised. The most frequent material used to create flanges is carbon steel with completely forged and polished edges.
Dimensional Differences Between Asme B 16.47 Series A And Series B Flanges
Series A flanges are bigger, thicker, and more durable than Series B flanges according to ASME B16 47.They can also often withstand more external force than Series B. Series A flanges are often more expensive than Series B flanges. More but shorter fasteners, like bolts and nuts, are required for ASME B16.47 Series B flanges. In addition, they often have a shorter bolt circle radius than Series A flanges. Because of the reduced bolt circle diameter, there is usually less flange motion after fitting.
Both ASME B16 47 Series A Flange and ASME B16 47 Series B Flange describe raised face weld neck flanges. Within this specification, Series A specifies RTj flanges from Class 300 to Class 900, although Series B does not.For new pipeline installations or technology, Series A flanges are common. In the meantime, many people prefer Series B flanges for repair or replacement work.
No Need To Pay Extra, When You Can Buy Large Diameter Flanges manufacturer With Exact Size And Schedule In UAE
What Type Of ASME B16.47 Flange Do We Have?
Flanges with no visibility are ASME B16.47 series A flanges. The MSS-SP44 specification has been integrated into B16 by ASME.
Specifications for Series A flanges in Classes 400, 600, or 900 NPS 38are identical to those for B flanges.
ASME B16.47 specifies two flange dimension classes and two ASME B16.47 Flange kinds. Carbon steels, alloy steels, and nickel alloys are all included in this category. The user must consider the risk of material degradation in service.
Manufacturing Process Of ASME B16.47 Series B Slip On Flange, Buy ANSI Series A/B Weld Neck Flange at factory price directly from manufacturer In Dubai
Table of content
Specialized in manufacturing
ASME B16.47 Flange
ASME B16.47 is a standard for large diameter pipe flanges sized from NPS 26 through NPS 60.
Size
NPS 26 to NPS 60
Class
150 to 900
ASTM
A182, A105
ASME
B16.47
Technical Data
Face Type
Flat Face (FF), Raise Face (RF), Ring Joint (RJT)
Coating
Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated.
Difference Between Asme B16.47 Series A And Series B
- Series AB16 47 Series A flanges are much thicker, heavier and more stronger than Series B flanges withinside the equal size and pressure rating thus can withstand more external loading than Series B type.
- Series B B16.47 Series B flanges need more but same fasteners (nuts and bolts) than Series A flanges and have a same bolt circle (B.C.) diameter than that of Series A flanges.
Difference Between Asme B16.5 And Asme B16.47
- ASME B16.5 : standard covers NPS 1/2 through NPS 24 Metric/Inch in pressure class 150 to class 2500. The term “B16.5” or “B16 5” is used interchangeability.
- ASME B16.47 : standard covers temperature ratings, tolerances, materials, marking, dimensions, and testing for pipe flanges In Size NPS 26 through NPS 60 in pressure class 150 to class 900.
ASME B16.47 Series A Flanges Manufacturing Process
- Raw Material
- Cut Surface
- Chemical And Mechanical Analysis
- Heat Treatment
- Forging Rolling
- Final Inspection
- Packaging
ANSI B16.47 Flange Specification
| Specifications | ASME B16.47 Flange |
|---|---|
| Brand Name | Schulzmann |
| Certificate | ISO |
| Testing | Hydrostatic testing machine Magnetic particle detector Direct-reading Spectrograph UI trasonic flaw detector |
| Payment Type | L/C,T/T,D/P,Paypal |
| Transportation In | Air & Ocean and Land |
| Pressure Class | 150 To 900 |
| Methods Of Forging | Casting Forging Rolling Cutting |
| Use In | Marine & dredging Sanitation Process Instrumentation Oil and Gas Petrochemical/ Refinery/Chemical Power etc. |
| Manufacturers Size | NPS 1⁄₂" To NPS 48” |
| Supporting Material For Flanges | Gasket/ Ring Joint/ Flanges Bolts |
| Manufacturing Productivity | 1000 ton per month |
| Supply Ability | 750 Ton Per Month |
| Schedule | SCH 5S To XXS |
| Equipment | Pushing Machine Press machine electric bevelling machine |
| Available Packing | Packing In Plywood Box And Plywood Pallet |
| Description | Price In US ($) |
|---|---|
| 2 Inch, 600#, BL RF, ASME B16.47, SERIES A | US $1988.17 Per KG |
| 4 Inch, 600#, BL, RF, ASME B16.47, SERIES A | US $331.39 Per KG |
| CL.150 ,SERIES B, B16.47, 750MM-30 DOUBLE FLANGED | US $11369.69 Per KG |
| CL.300, 900MM-36 DOUBLE FLANGED, ASME B16.47 | US $26732.31 Per KG |
| 150#, RF, SCH.STD, WNRF, ANSI B16.47/B | US $1243.55 Per KG |
| ASME B16.47, SERIES B, WNRF | US $1456.43 Per KG |
| CL.600, SERIES B, ASME B16.47, 750MM-30 DOUBLE FLANGED | US $279479.27 Per KG |
| CL.300, SERIES B, B16.47, 900MM-36 DOUBLE FLANGED | US $24153.85 Per KG |
| CL.300, B16.47, SERIES B. 750MM-30 DOUBLE FLANGE | US $45067.09 Per KG |
| CL.150, SERIES B, 1200MM-48 DOUBLE FLANGED | US $29821.41 Per KG |
| ASME B16.47. CL.600. SERIES B. 750MM-30H DOUBLE FLANGED | US $34391.94 Per KG |
| CL.600, SERIES B, ANSI B16.47, 800MM-32H DOUBLE FLANGED | US $39821.35 Per KG |
| SERIES B, B16.47, CL.600, 800MM-32H DOUBLE FLANGED | US $119464.04 Per KG |
| CL.600, SERIES A, ASME B16.47, 750MM-30H DOUBLE FLANGED | US $104001.96 Per KG |
| ASME B16.47, CL.300, SERIES B 900MM-36 DOUBLE FLANGED | US $26732.31 Per KG |
Types Of ASME B16.47 Large Diameter Steel Flanges
ASME B16.47 Blind Flange
ASME B16.47 Slip On Flange
ASME B16.47 Weld Neck Flange
ASME B16.47 Series A Socket Weld Flanges
ASME B16.47 Series A Plate Flanges
ASME B16.47 Lap Joint Flanges
ANSI B16.47 RTJ Flanges
ASME B16.47 Series A Flanges
ASME B16.47 Series B Flanges
ASME B16.47 Series A RTJ Flanges
ASME B16.47 Series A Slip On Flanges
ASME B16.47 Large Diameter Flanges
ASME B16 47 Series A Flange Dimensions
| NPS | O.D. | (D) | (B) (WNRF) | (B) (BLRF) | (H) | (A) |
| 26 | 660.4 | 870 | 66.7 68.3 | 66.7 68.3 | 119 120.6 | 676 |
| 28 | 711.2 | 925 | 69.9 71.5 | 69.9 71.5 | 124 125.6 | 727 |
| 30 | 762 | 985 | 73.1 74.7 | 73.1 74.7 | 135 136.6 | 781 |
| 32 | 812.8 | 1060 | 79.4 81 | 79.4 81 | 143 144.6 | 832 |
| 34 | 863.6 | 1110 | 81 82.6 | 81 82.6 | 148 149.6 | 883 |
| 36 | 914.4 | 1170 | 88.9 90.5 | 88.9 90.5 | 156 157.6 | 933 |
| 38 | 965.2 | 1240 | 85.8 87.4 | 85.8 87.4 | 156 157.6 | 991 |
| 40 | 1016 | 1290 | 88.9 90.5 | 88.9 90.5 | 162 163.6 | 1041 |
| 42 | 1066.8 | 1345 | 95.3 96.9 | 95.3 96.9 | 170 171.6 | 1092 |
| 44 | 1117.6 | 1405 | 100.1 101.7 | 100.1 101.7 | 176 177.6 | 1143 |
| 46 | 1168.4 | 1455 | 101.6 103.2 | 101.6 103.2 | 184 185.6 | 1197 |
| 48 | 1219.2 | 1510 | 106.4 108 | 106.4 108 | 191 192.6 | 1248 |
| 50 | 1270 | 1570 | 109.6 111.2 | 109.6 111.2 | 202 203.6 | 1302 |
| 52 | 1320.8 | 1625 | 114.3 115.9 | 114.3 115.9 | 208 209.6 | 1353 |
| 54 | 1371.6 | 1685 | 119.1 120.7 | 119.1 120.7 | 214 215.6 | 1403 |
| 56 | 1422.4 | 1745 | 122.3 123.9 | 122.3 123.9 | 227 228.6 | 1457 |
| 58 | 1473.2 | 1805 | 127 128.6 | 127 128.6 | 233 234.6 | 1508 |
| 60 | 1524 | 1855 | 130.2 131.8 | 130.2 131.8 | 238 239.6 | 1559 |
ANSI B16.47 Series A Class 150 Flanges Dimensions
| NPS | O.D. | Wall Thickness (Minimum) Of (WNRF) (TF) | Wall Thickness (Minimum) Of (BLRL)) (TF) | Through Hub Length Of (Y) | Hub Base Diameter (X) | Top Hub Diameter (A | Diameter Of (R/F) (R) | Diameter Of Bolt Circle and Drilling | Bolts Holes Number | Diameter Of Bolts Holes | Diameter Of Bolts | (Minimum) 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 |
ANSI B16.47 Series A Class 300 Flanges Dimensions
| NPS | O.D. | Wall Thickness (Minimum) Of (WNRF) (tf) | Wall Thickness (Minimum) Of (BLRF) (tf) | Length Of Through Hub (Y) | Hub Base Diameter (X) | Top Hub Diameter (A) | (R/F) Diameter (R) | B.C. Diameter | No. Of Bolt Holes | Diameter Of Bolts Hole | Diameter Of Bolts | (Minimum) 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 |
ASME B16.47 Series A Gasket Dimensions
| NPS | Gasket Inner Diameter Of (D1) | Gasket Outer Diameter Of (D2) | |||
| Class 150 | Class 300 | Class 400 | Class 600 | ||
| 26 | 660 | 775 | 835 | 832 | 867 |
| 28 | 711 | 832 | 899 | 892 | 914 |
| 30 | 762 | 883 | 953 | 946 | 972 |
| 32 | 813 | 940 | 1006 | 1003 | 1022 |
| 34 | 864 | 991 | 1057 | 1054 | 1073 |
| 36 | 914 | 1048 | 1118 | 1118 | 1130 |
| 38 | 965 | 1111 | 1054 | 1073 | 1105 |
| 40 | 1016 | 1162 | 1114 | 1127 | 1156 |
| 42 | 1067 | 1219 | 1165 | 1178 | 1219 |
| 44 | 1118 | 1276 | 1219 | 1232 | 1270 |
| 46 | 1168 | 1327 | 1273 | 1289 | 1327 |
| 48 | 1219 | 1384 | 1324 | 1346 | 1391 |
| 50 | 1270 | 1435 | 1378 | 1403 | 1448 |
| 52 | 1321 | 1492 | 1429 | 1454 | 1499 |
| 54 | 1372 | 1549 | 1492 | 1518 | 1556 |
| 56 | 1422 | 1607 | 1543 | 1568 | 1613 |
| 58 | 1473 | 1664 | 1594 | 1619 | 1664 |
| 60 | 1524 | 1715 | 1645 | 1683 | 1721 |
ASME B16.47 Series A RTJ Flange Dimensions
| Ring Type Joint Size in (Inch) | Ring Type Joint Size in (MM) | Outer Diameter Of RTJ | WT Of Ring Type Joint | Outer Diameter Of Hub | Outer Diameter Of WNRF | Lengths Of Weld Neck | Diameter Of R/F | Height Of R/F | PCD | Diametr Of RTJ Pitch | Depth Of Ring Type Joint | RTJ Width |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (A) | (B) | (C) | (D) | (E) | (F) | (G) | (H) | (I) | (J) | (K) | (L) | - |
| 1/2 | 15 | 90 | 9.6 | 30 | 21.3 | 46 | N/A | N/A | 60.3 | N/A | N/A | N/A |
| 3/4 | 20 | 100 | 11.2 | 38 | 26.7 | 51 | N/A | N/A | 69.9 | N/A | N/A | N/A |
| 1 | 25 | 110 | 12.7 | 49 | 33.4 | 54 | 63.5 | 6.35 | 79.4 | 47.63 | 6.35 | 8.74 |
| 1 1/4 | 32 | 115 | 14.3 | 59 | 42.2 | 56 | 73 | 6.35 | 88.9 | 57.15 | 6.35 | 8.74 |
| 1 1/2 | 40 | 125 | 15.9 | 65 | 48.3 | 60 | 82.5 | 6.35 | 98.4 | 65.07 | 6.35 | 8.74 |
| 2 | 50 | 150 | 17.5 | 78 | 60.3 | 62 | 102 | 6.35 | 120.7 | 82.55 | 6.35 | 8.74 |
| 2 1/2 | 65 | 180 | 20.7 | 90 | 73 | 68 | 121 | 6.35 | 139.7 | 101.6 | 6.35 | 8.74 |
| 3 | 80 | 190 | 22.3 | 108 | 88.9 | 68 | 133 | 6.35 | 152.4 | 114.3 | 6.35 | 8.74 |
| 3 1/2 | 90 | 215 | 22.3 | 122 | 101.6 | 70 | 154 | 6.35 | 177.8 | 131.78 | 6.35 | 8.74 |
| 4 | 100 | 230 | 22.3 | 135 | 114.3 | 75 | 171 | 6.35 | 190.5 | 149.23 | 6.35 | 8.74 |
| 5 | 125 | 255 | 22.3 | 164 | 141.3 | 87 | 194 | 6.35 | 215.9 | 171.45 | 6.35 | 8.74 |
| 6 | 150 | 280 | 23.9 | 192 | 168.3 | 87 | 219 | 6.35 | 241.3 | 193.68 | 6.35 | 8.74 |
| 8 | 200 | 345 | 27 | 246 | 219.1 | 100 | 273 | 6.35 | 298.5 | 247.65 | 6.35 | 8.74 |
| 10 | 250 | 405 | 28.6 | 305 | 273 | 100 | 330 | 6.35 | 362 | 304.8 | 6.35 | 8.74 |
| 12 | 300 | 485 | 30.2 | 365 | 323.8 | 113 | 406 | 6.35 | 431.8 | 381 | 6.35 | 8.74 |
| 14 | 350 | 535 | 33.4 | 400 | 355.6 | 125 | 425 | 6.35 | 476.3 | 396.88 | 6.35 | 8.74 |
| 16 | 400 | 595 | 35 | 457 | 406.4 | 125 | 483 | 6.35 | 539.8 | 454.03 | 6.35 | 8.74 |
| 18 | 450 | 635 | 38.1 | 505 | 457.2 | 138 | 546 | 6.35 | 577.9 | 517.53 | 6.35 | 8.74 |
| 20 | 500 | 700 | 41.3 | 559 | 508 | 143 | 597 | 6.35 | 635 | 558.8 | 6.35 | 8.74 |
| 24 | 600 | 815 | 46.1 | 663 | 610 | 151 | 711 | 6.35 | 749.3 | 673.1 | 6.35 | 8.74 |
ASME B16 47 Series A Flange Weight
| Normal Pipe Size | 150 LB | 300 LB | 600 LB | 900 LB | ||||
| (Weld Neck (WN)) | (Blind (BL) | (Weld Neck (WN)) | (Blind (BL) | (Weld Neck (WN)) | (Blind (BL) | (Weld Neck (WN)) | (Blind (BL) | |
| 22 | 109 | 162 | 204 | 284 | 310 | 437 | - | - |
| 26 | 154 | 321 | 291 | 477 | 450 | 777 | 890 | 1100 |
| 28 | 175 | 380 | 352 | 584 | 506 | 909 | 1055 | 1350 |
| 30 | 204 | 450 | 405 | 685 | 575 | 1074 | 1230 | 1610 |
| 32 | 254 | 560 | 465 | 793 | 642 | 1253 | 1480 | 1940 |
| 34 | 273 | 625 | 523 | 919 | 705 | 1427 | 1750 | 2310 |
| 36 | 321 | 760 | 580 | 1072 | 800 | 1665 | 1997 | 2660 |
| 38 | 358 | 830 | 324 | 900 | 674 | 1509 | 2000 | 2690 |
| 40 | 386 | 925 | 391 | 1066 | 725 | 1695 | 2161 | 2950 |
| 42 | 442 | 1080 | 428 | 1206 | 895 | 2028 | 2379 | 3280 |
| 44 | 491 | 1230 | 485 | 1378 | 951 | 2246 | 3321 | 3810 |
| 46 | 525 | 1345 | 559 | 1570 | 1055 | 2543 | 3224 | 4430 |
| 48 | 580 | 1520 | 597 | 1745 | 1247 | 2951 | 3500 | 4860 |
| 50 | 624 | 1668 | 674 | 1983 | 1423 | 3381 | - | - |
| 52 | 689 | 1867 | 728 | 2194 | 1493 | 3682 | - | - |
| 54 | 760 | 2088 | 871 | 2538 | 1637 | 4091 | - | - |
| 56 | 845 | 2308 | 921 | 2728 | 1843 | 4585 | - | - |
| 58 | 923 | 2554 | 968 | 2975 | 1954 | 4986 | - | - |
| 60 | 971 | 2765 | 1032 | 3250 | 2353 | 5750 | - | - |
ASME B16 47 Slip On Flange Dimensions
| NPS | I.D. | O.D. | Bolts Circle | Raised | R/F | Hight (H) | WT Of R/F | (T1) | Thickness2 (F/F) | Bolts Holes | No. Of Bolt Hole |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 0.88 | 3.50 | 2.38 | 1.38 | .063 | 1.19 | .62 | .38 | .56 | .62 | 4 |
| 3/4 | 1.09 | 3.88 | 2.75 | 1.69 | .063 | 1.50 | .62 | .44 | .56 | .62 | 4 |
| 1 | 1.36 | 4.25 | 3.12 | 2.00 | .063 | 1.94 | .69 | .50 | .63 | .62 | 4 |
| 1-1/4 | 1.70 | 4.62 | 3.50 | 2.50 | .063 | 2.31 | .81 | .56 | .75 | .62 | 4 |
| 1-1/2 | 1.97 | 5.00 | 3.88 | 2.88 | .063 | 2.56 | .88 | .62 | .82 | .62 | 4 |
| 2 | 2.44 | 6.00 | 4.75 | 3.62 | .063 | 3.06 | 1.00 | .69 | .94 | .75 | 4 |
| 2-1/2 | 2.94 | 7.00 | 5.50 | 4.12 | .063 | 3.56 | 1.12 | .82 | 1.06 | .75 | 4 |
| 3 | 3.57 | 7.50 | 6.00 | 5.00 | .063 | 4.25 | 1.19 | .88 | 1.13 | .75 | 4 |
| 3-1/2 | 4.07 | 8.50 | 7.00 | 5.50 | .063 | 4.81 | 1.25 | .88 | 1.19 | .75 | 8 |
| 4 | 4.57 | 9.00 | 7.50 | 6.19 | .063 | 5.31 | 1.31 | .88 | 1.25 | .75 | 8 |
| 5 | 5.66 | 10.00 | 8.50 | 7.31 | .063 | 6.44 | 1.44 | .88 | 1.38 | .88 | 8 |
| 6 | 6.72 | 11.00 | 9.50 | 8.50 | .063 | 7.56 | 1.56 | .94 | 1.50 | .88 | 8 |
| 8 | 8.72 | 13.50 | 11.75 | 10.62 | .063 | 9.69 | 1.75 | 1.06 | 1.69 | .88 | 8 |
| 10 | 10.88 | 16.00 | 14.25 | 12.75 | .063 | 12.00 | 1.94 | 1.13 | 1.88 | 1.00 | 12 |
| 12 | 12.88 | 19.00 | 17.00 | 15.00 | .063 | 14.38 | 2.19 | 1.19 | 2.13 | 1.00 | 12 |
| 14 | 14.14 | 21.00 | 18.75 | 16.25 | .063 | 15.75 | 2.25 | 1.32 | 2.19 | 1.12 | 12 |
| 16 | 16.16 | 23.50 | 21.25 | 18.50 | .063 | 18.00 | 2.50 | 1.38 | 2.44 | 1.12 | 16 |
| 18 | 18.18 | 25.00 | 22.75 | 21.00 | .063 | 19.88 | 2.69 | 1.50 | 2.63 | 1.25 | 16 |
| 20 | 20.20 | 27.50 | 25.00 | 23.00 | .063 | 22.00 | 2.88 | 1.63 | 2.83 | 1.25 | 20 |
| 22 | 22.22 | 29.50 | 27.25 | 25.25 | .063 | 24.25 | 3.13 | 1.75 | 3.07 | 1.38 | 20 |
| 24 | 24.25 | 32.00 | 29.50 | 27.25 | .063 | 26.12 | 3.25 | 1.82 | 3.19 | 1.38 | 20 |
ASME B16 47 Blind Flange Dimensions
| NPS In Inch | Outside Diameter Of (A) | WT Of (B) | Dai. Of R/F (C) | Bolts Circle Of D | # Bolts Holes | Daimeter Of Bolts Holes | Weight As Per Kilogram |
|---|---|---|---|---|---|---|---|
| 1/2 | 3-1/2 | 7/16 | 1-3/8 | 2-3/8 | 4 | 5/8 | 2 |
| 3/4 | 3-7/8 | 1/2 | 1-11/16 | 2-3/4 | 4 | 5/8 | 2 |
| 1 | 4-1/4 | 9/16 | 2 | 3-1/8 | 4 | 5/8 | 2 |
| 1-1/4 | 4-5/8 | 5/8 | 2-1/2 | 3-1/2 | 4 | 5/8 | 3 |
| 1-1/2 | 5 | 11/16 | 2-7/8 | 3-7/8 | 4 | 5/8 | 3 |
| 2 | 6 | 3/4 | 3-5/8 | 4-3/4 | 4 | 3/4 | 4 |
| 2-1/2 | 7 | 7/8 | 4-1/8 | 5-1/2 | 4 | 3/4 | 7 |
| 3 | 7-1/2 | 15/16 | 5 | 6 | 4 | 3/4 | 9 |
| 3-1/2 | 8-1/2 | 15/16 | 5-1/2 | 7 | 8 | 3/4 | 13 |
| 4 | 9 | 15/16 | 6-3/16 | 7-1/2 | 8 | 3/4 | 17 |
| 5 | 10 | 15/16 | 7-5/16 | 8-1/2 | 8 | 7/8 | 20 |
| 6 | 11 | 1 | 8-1/2 | 9-1/2 | 8 | 7/8 | 27 |
| 8 | 13-1/2 | 1-1/8 | 10-5/8 | 11-3/4 | 8 | 7/8 | 47 |
| 10 | 16 | 1-3/16 | 12-3/4 | 14-1/4 | 12 | 1 | 67 |
| 12 | 19 | 1-1/4 | 15 | 17 | 12 | 1 | 123 |
| 14 | 21 | 1-3/8 | 16-1/4 | 18-3/4 | 12 | 1-1/8 | 139 |
| 16 | 23-1/2 | 1-7/16 | 18-1/2 | 21-1/4 | 16 | 1-1/8 | 187 |
| 18 | 25 | 1-9/16 | 21 | 22-3/4 | 16 | 1-1/4 | 217 |
| 20 | 27-1/2 | 1-11/16 | 23 | 25 | 20 | 1-1/4 | 283 |
| 24 | 32 | 1-7/8 | 27-1/4 | 29-1/2 | 20 | 1-3/8 | 415 |
Bolt Length For ASME B16.47 Flange
| NPS In Inch | 150# In Inches | 300# In Inches | 400# In Inches | 600# In Inches | 900# In Inches | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| D | L | D | L | D | L | D | L | D | L | |
| 26 | 3/4 | 5-1/2 | 1-1/4 | 10-1/2 | 1-3/8 | 11-1/4 | 1-5/8 | 13-3/4 | 2-1/2 | 17-1/4 |
| 28 | 3/4 | 5-3/4 | 1-1/4 | 10-1/2 | 1-1/2 | 12 | 1-3/4 | 14-1/4 | 2-3/4 | 19 |
| 30 | 3/4 | 5-3/4 | 1-3/8 | 11-1/4 | 1-1/2 | 12-1/2 | 1-7/8 | 15-1/4 | 3 | 20 |
| 32 | 3/4 | 5-3/4 | 1-1/2 | 12-1/4 | 1-5/8 | 13-1/2 | 2 | 15-3/4 | 3 | 20-1/4 |
| 34 | 7/8 | 6-1/4 | 1-1/2 | 12-1/4 | 1-5/8 | 13-3/4 | 2-1/4 | 17-1/4 | 3-1/4 | 21-3/4 |
| 36 | 7/8 | 6-3/4 | 1-5/8 | 12-1/2 | 1-3/4 | 15-1/2 | 2-1/4 | 17-3/4 | 3 | 21-1/4"s |
| 38 | 1 | 7-1/4 | 1-5/8 | 13-1/4 | - | - | - | - | - | - |
| 40 | 1 | 7-1/4 | 1-5/8 | 13-1/2 | - | - | - | - | - | - |
| 42 | 1 | 7-1/2 | 1-3/4 | 14 | - | - | - | - | - | - |
| 44 | 1 | 7-3/4 | 1-3/4 | 14-3/4 | - | - | - | - | - | - |
| 46 | 1-1/8 | 8 | 1-7/8 | 15 | - | - | - | - | - | - |
| 48 | 1-1/8 | 8-1/4 | 1-7/8 | 15 | - | - | - | - | - | - |
| 50 | 1-1/8 | 8-1/2 | 1-7/8 | 15-3/4 | - | - | - | - | - | - |
| 52 | 1-1/8 | 8-3/4 | 1-7/8 | 16 | - | - | - | - | - | - |
| 54 | 1-1/8 | 8-3/4 | 1-7/8 | 15-3/4 | - | - | - | - | - | - |
| 56 | 1-1/8 | 9 | 2-1/4 | 17-3/4 | - | - | - | - | - | - |
| 58 | 1-1/4 | 9-1/4 | 2-1/4 | 17-3/4 | - | - | - | - | - | - |
| 60 | 1-1/4 | 9-1/2 | 2-1/4 | 17-1/2 | - | - | - | - | - | - |
Pressure Rating Of Large Diameter Flange
| Temperature (Dedgree C) | Class Of Flanges | ||||||
|---|---|---|---|---|---|---|---|
| (150#) | (300#) | (400#) | (600#) | (900#) | (1500#) | (2500#) | |
| -29 - 38 | 19.8 | 51.7 | 68.9 | 103.4 | 155 | 259 | 431 |
| 50 | 19.5 | 51.7 | 68.9 | 103.4 | 155 | 259 | 431 |
| 100 | 17.7 | 51.5 | 68.7 | 103.0 | 155 | 258 | 429 |
| 150 | 15.8 | 50.2 | 66.8 | 100.3 | 151 | 251 | 418 |
| 200 | 13.8 | 48.6 | 64.8 | 97.2 | 146 | 243 | 405 |
| 250 | 12.1 | 46.3 | 61.7 | 92.7 | 139 | 232 | 386 |
| 300 | 10.2 | 42.9 | 57.0 | 85.7 | 129 | 214 | 357 |
| 325 | 9.3 | 41.4 | 55.0 | 82.6 | 124 | 207 | 344 |
| 350 | 8.4 | 40.0 | 53.4 | 80.0 | 120 | 200 | 334 |
| 375 | 7.4 | 37.8 | 50.4 | 75.7 | 114 | 189 | 315 |
| 400 | 6.5 | 34.7 | 46.3 | 69.4 | 104 | 174 | 290 |
| 425 | 5.5 | 28.8 | 38.4 | 57.5 | 86.3 | 144 | 240 |
| 450 | 4.6 | 23.0 | 30.7 | 46.0 | 69.0 | 115 | 192 |
| 475 | 3.7 | 17.1 | 22.8 | 34.2 | 51.3 | 85.4 | 142 |
| 500 | 2.8 | 11.6 | 15.4 | 23.2 | 34.7 | 57.9 | 96.5 |
| 538 | 1.4 | 5.9 | 7.9 | 11.8 | 17.7 | 29.5 | 49.2 |
manufacturer of ASME B16.47 Large Diameter Steel Flanges in FF, RTJ, RF, Male & Female, Groove & Tongue Face Types
ASME B16.47 Series B Flange Dimensions
| NPS | Outside Diameter | (D) | (B) (WN) | (B) (BLRF) | (H) | (A) |
| 26 | 661.9 | 785 | 39.8 41.4 | 43 44.6 | 87 88.6 | 684 |
| 28 | 712.7 | 835 | 43 44.6 | 46.2 47.8 | 94 95.6 | 735 |
| 30 | 763.5 | 885 | 43 44.6 | 49.3 50.9 | 98 99.6 | 787 |
| 32 | 814.3 | 940 | 44.6 46.2 | 52.5 54.1 | 106 107.6 | 840 |
| 34 | 865.1 | 1005 | 47.7 49.3 | 55.7 57.3 | 109 110.6 | 892 |
| 36 | 915.9 | 1055 | 50.9 52.5 | 57.3 58.9 | 116 117.6 | 945 |
| 38 | 968.2 | 1125 | 52.5 54.1 | 62 63.6 | 122 123.6 | 997 |
| 40 | 1019 | 1175 | 54.1 55.7 | 65.2 66.8 | 127 128.6 | 1049 |
| 42 | 1069.8 | 1225 | 57.3 58.9 | 66.8 68.4 | 132 133.6 | 1102 |
| 44 | 1120.6 | 1275 | 58.9 60.5 | 70 71.6 | 135 136.6 | 1153 |
| 46 | 1171.4 | 1340 | 60.4 62 | 73.1 74.7 | 143 144.6 | 1205 |
| 48 | 1222.2 | 1390 | 63.6 65.2 | 76.3 77.9 | 148 149.6 | 1257 |
| 50 | 1273 | 1445 | 66.8 68.4 | 79.5 81.1 | 152 153.6 | 1308 |
| 52 | 1323.8 | 1495 | 68.4 70 | 82.7 84.3 | 156 157.6 | 1360 |
| 54 | 1374.6 | 1550 | 70 71.6 | 85.8 87.4 | 160 161.6 | 1413 |
| 56 | 1425.4 | 1600 | 71.6 73.2 | 89 90.6 | 165 166.6 | 1465 |
| 58 | 1476.2 | 1675 | 73.1 74.7 | 91.9 93.5 | 173 174.6 | 1516 |
| 60 | 1527 | 1725 | 74.7 76.3 | 95.4 97 | 178 179.6 | 1570 |
ASME B16.47 Series B Class 150 Dimensions
| Normal Pipe Size | Outside Diameter | Minimum (Wall Thickness) | O.D. of (R/F) | Diameter Of Hub | Length Of Thru Hub | Weight As Per LBS | Drilling | ||||
| WNRF | BLRF | WNRF | WNRF | BLRF | Holes Number | Diameter Of Holes | Bolts Circle Dia. | ||||
| 26 | 30 | 1.25 | 1.25 | 27.75 | 26.63 | 2.25 | 80 | 255 | 36 | 0.75 | 28.50 |
| 28 | 32 | 1.25 | 1.25 | 29.75 | 28.63 | 2.38 | 85 | 290 | 40 | 0.75 | 30.50 |
| 30 | 34 | 1.25 | 1.25 | 31.75 | 30.63 | 2.50 | 90 | 330 | 44 | 0.75 | 32.50 |
| 32 | 36 | 1.32 | 1.38 | 33.75 | 32.63 | 2.69 | 105 | 390 | 48 | 0.75 | 34.50 |
| 34 | 38 | 1.32 | 1.44 | 35.75 | 34.63 | 2.82 | 110 | 430 | 52 | 0.75 | 36.50 |
| 36 | 40.69 | 1.38 | 1.61 | 38 | 36.81 | 3.32 | 145 | 58 | 40 | 0.75 | 39.06 |
| 38 | 42.69 | 1.44 | 1.69 | 40 | 38.81 | 3.44 | 160 | 595 | 40 | 0.88 | 41.06 |
| 40 | 44.69 | 1.44 | 1.69 | 42 | 40.81 | 3.57 | 170 | 760 | 44 | 0.88 | 43.06 |
| 42 | 16.69 | 1.50 | 1.82 | 44 | 42.81 | 3.69 | 185 | 895 | 48 | 0.88 | 45.06 |
| 44 | 49.25 | 1.63 | 1.88 | 46.25 | 44.88 | 4.07 | 230 | 1065 | 36 | 1 | 47.38 |
| 46 | 51.25 | 1.69 | 1.94 | 48.25 | 46.88 | 4.19 | 245 | 1185 | 40 | 1 | 49.38 |
| 48 | 53.25 | 1.75 | 2.07 | 50.25 | 48.88 | 4.32 | 270 | 1315 | 44 | 1 | 51.38 |
| 50 | 55.25 | 1.82 | 2.13 | 52.25 | 50.94 | 4.50 | 290 | 1505 | 44 | 1 | 53.38 |
| 52 | 57.38 | 1.82 | 2.19 | 54.25 | 52.94 | 4.69 | 310 | 1665 | 48 | 1 | 55.50 |
| 54 | 59.38 | 1.88 | 2.31 | 56.25 | 55 | 4.88 | 340 | 1840 | 48 | 1 | 57.50 |
| 56 | 62 | 1.94 | 2.38 | 58.50 | 57.13 | 5.25 | 400 | 2110 | 40 | 1.12 | 59.88 |
| 58 | 64 | 2 | 2.44 | 60.50 | 59.13 | 5.38 | 430 | 2300 | 44 | 1.12 | 61.88 |
| 60 | 66 | 2.13 | 2.56 | 62.50 | 61.13 | 5.63 | 475 | 2500 | 44 | 1.12 | 63.88 |
ASME B16.47 Series B Class 300 Dimensions
| Normal Pipe Size | Outside Diameter | Wall Thickness (Minimum) | O.D. R/F | Diameter Of Hub | Length Of Thru Hub | Weight As Per LBS | Drilling | ||||
| WN | BLRF | WN | WN | BLRF | Holes No. | Dia. Of Holes | B.C. Diameter | ||||
| 26 | 34.12 | 3.44 | 3.44 | 29 | 26.19 | 5.63 | 400 | 905 | 32 | 1.38 | 31.62 |
| 28 | 36.25 | 3.44 | 3.44 | 31 | 28.19 | 5.81 | 450 | 1023 | 36 | 1.38 | 33.75 |
| 30 | 39 | 3.63 | 3.63 | 33.25 | 30.25 | 6.16 | 550 | 1250 | 36 | 1.50 | 36.25 |
| 32 | 41.50 | 4 | 4 | 35.50 | 32.25 | 6.56 | 685 | 1556 | 32 | 1.62 | 38.50 |
| 34 | 43.62 | 4 | 4 | 37.50 | 34.25 | 6.75 | 750 | 1719 | 36 | 1.62 | 40.62 |
| 36 | 46.12 | 4 | 4 | 39.75 | 36.25 | 7.06 | 840 | 1920 | 32 | 1.75 | 42.88 |
| 38 | 48.12 | 4.31 | 4.31 | 41.75 | 38.25 | 7.50 | 915 | 2257 | 36 | 1.75 | 44.88 |
| 40 | 50.12 | 4.50 | 4.50 | 43.88 | 40.25 | 7.75 | 990 | 2550 | 40 | 1.75 | 46.88 |
| 42 | 52.50 | 4.63 | 4.63 | 46 | 42.31 | 8 | 1135 | 2875 | 36 | 1.88 | 49 |
| 44 | 54.50 | 4.94 | 4.94 | 48 | 44.31 | 8.38 | 1235 | 3305 | 40 | 1.88 | 51 |
| 46 | 57.50 | 5 | 5.06 | 50 | 46.31 | 8.69 | 1470 | 3766 | 36 | 2 | 53.75 |
| 48 | 59.50 | 5 | 5.25 | 52.25 | 48.31 | 8.75 | 1575 | 4183 | 40 | 2 | 55.75 |
| 50 | 61.50 | 5.38 | 5.44 | 54.25 | 50.31 | 9.19 | 1710 | 4629 | 44 | 2 | 57.75 |
| 52 | 63.50 | 5.56 | 5.61 | 56.25 | 52.31 | 9.50 | 1840 | 5096 | 48 | 2 | 59.75 |
| 54 | 65.88 | 5.32 | 5.81 | 58.25 | 54.31 | 9.38 | 1980 | 5679 | 48 | 2 | 62.12 |
| 56 | 69.50 | 6 | 6.12 | 60.50 | 56.31 | 10.50 | 2295 | 6642 | 36 | 2.38 | 65 |
| 58 | 71.94 | 6 | 6.31 | 62.75 | 58.31 | 10.75 | 2770 | 7347 | 40 | 2.38 | 67.44 |
| 60 | 73.94 | 5.88 | 6.50 | 65 | 60.31 | 10.63 | 2870 | 7980 | 40 | 2.38 | 69.44 |
Largest exporter Of Series B Class 150 and 300 Flange In Middle East, Don't Forget To Check ASME B16 47 Series A Flange Bolt Length, Pressure Rating
ASME B16 47 Series B Flange Weight
| Normal Pipe Size | Class 150 | Class 300 | Class 600 | |||
| WNF | BLRF | WNF | BLRF | WNF | BLRF | WNF |
| 26 | 65 | 165 | 193 | 404 | 260 | 534 |
| 28 | 75 | 200 | 211 | 457 | 305 | 637 |
| 30 | 82 | 226 | 258 | 555 | 378 | 793 |
| 32 | 94 | 263 | 315 | 693 | 436 | 925 |
| 34 | 113 | 320 | 339 | 765 | 550 | 1150 |
| 36 | 128 | 374 | 380 | 858 | 591 | 1290 |
| 38 | 153 | 434 | 425 | 1005 | 668 | 1481 |
| 40 | 166 | 489 | 459 | 1132 | 718 | 1662 |
| 42 | 182 | 560 | 514 | 1280 | 888 | 1989 |
| 44 | 195 | 626 | 567 | 1466 | 942 | 2188 |
| 46 | 229 | 709 | 666 | 1657 | 1046 | 2458 |
| 48 | 248 | 799 | 687 | 1772 | 1237 | 2859 |
| 50 | 268 | 899 | 797 | 2029 | 1412 | 3280 |
| 52 | 284 | 985 | 806 | 2230 | 1481 | 3573 |
| 54 | 309 | 1081 | 840 | 2310 | 1623 | 3949 |
| 56 | 329 | 1181 | 1117 | 2891 | 1829 | 4423 |
| 58 | 391 | 1322 | 1194 | 3093 | 1939 | 4791 |
| 60 | 414 | 1430 | 1215 | 3213 | 2336 | 5533 |
ASME B16.47 Series B Gasket Dimensions
| NPS | Gasket Inner Diameter Of (D1) | Gasket Outside Diameter Of (D2) | |||
| Class 150 | Class 300 | Class 400 | Class 600 | ||
| 26 | 660 | 725 | 772 | 746 | 765 |
| 28 | 711 | 776 | 826 | 800 | 819 |
| 30 | 762 | 827 | 886 | 857 | 879 |
| 32 | 813 | 881 | 940 | 911 | 933 |
| 34 | 864 | 935 | 994 | 962 | 997 |
| 36 | 914 | 987 | 1048 | 1022 | 1048 |
| 38 | 965 | 1045 | 1099 | … | … |
| 40 | 1016 | 1095 | 1149 | … | … |
| 42 | 1067 | 1146 | 1200 | … | … |
| 44 | 1118 | 1197 | 1251 | … | … |
| 46 | 1168 | 1256 | 1318 | … | … |
| 48 | 1219 | 1307 | 1368 | … | … |
| 50 | 1270 | 1357 | 1419 | … | … |
| 52 | 1321 | 1408 | 1470 | … | … |
| 54 | 1372 | 1464 | 1530 | … | … |
| 56 | 1422 | 1514 | 1594 | … | … |
| 58 | 1473 | 1580 | 1656 | … | … |
| 60 | 1524 | 1630 | 1705 | … | … |