Stainless Steel Backing Flange Specification
Specification | Stainless Steel Backing Flange |
---|---|
Production Technique | Forged/ Heat treated and machined |
Manufacturer of | Forged/ Threaded/ Screwed / Plate |
Manufacturer Pressure Class | Class 150 (lb) up to 24" Class 300 (lb) up to 20" Class 600 (lb) up to 20" Class 900 (lb) up to 16" Class 1500 (lb) up to 10" Class 2500 (lb) up to 8" |
Flange Test | Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector |
Flange Equipment | Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc |
Coating | Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized |
Schedule | SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS |
Dimensions And Standard | EN 1092-1/ EN 1092-2/ API |
Manufacturer Length | NPS 1⁄₂" To NPS 48” |
Face Type | RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove. |
Forging Methods | Casting/ Forging/ Rolling/ Cutting |
EN Standard | 6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar |
DIN Standard | PN6/ PN10/ PN16/ PN25/ PN40/ PN64 |
JIS Standard | 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K |
UNI Standard | 6 Bar/ 10 Bar/ 16 Bar/ 25 Bar/ 40 Bar |
Supporting Material | Gasket/ Ring Joint/ Flange Bolts |
Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
Application | Bitumen upgraders Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids. |
Types Of Stainless Steel Backing Flange
Stainless Steel 304 Backing Flange
SS 304L Backing Flange
Stainless Steel 316 Backing Flange
Stainless 316L Backing Flange
Steel 317 Backing Flange
Stainless Steel 321 Backing Flange
SS 347 Backing Flange
904L SS Backing Flange
Stainless Steel 410 Backing Flange
Stainless Steel Backing Flanges
Stainless Steel Backing Ring
Stainless Steel Backing Ring Flange
Stainless Steel Back Up Flanges
Stainless Steel Stub Flange And Backing Ring
Steel Backing Flanges
Types Of Ductile Iron Backup Flange
Ductile Iron Backup Flange
Iron Backup Flange
ISO 9624 Flange
ISO 9624 Loose Backing Flange
Backing Flanges
Backup Flange
Flange Adapters
Split Backing Flange
Flange Iso 7005-1
ISO 7005-1 Plate Flange
Di Backing Flange
Split Backing Flange
Galvanized Backing Flange
Backing Flange And Stub End
Loose Backing Flange
Backing Ring Flange
Galvanised Steel Plate Backing Ring
Slip On Backing Flange
Back up Flange
Nominal Bore Backing Flanges
Ductile Backing Ring
Types Of Carbon Steel Backing Flanges
Carbon Steel Backing Flanges
CS Backing Flanges
Carbon Steel Backing Ring
ASTM A105 Backing Flange
ASTM A350 LF1 Backing Flanges
ASTM A350 LF2 Backing Flanges
ASTM A350 LF3 Backing Rings
ASTM A350 LF6 Backing Rings
ASTM A350 LF 787 Backing Ring
ASTM A694 F42 Backing Flanges
ASTM A694 F46 Backing Rings
ASTM A694 F50 Backing Ring Flanges
ASTM A694 F52 Back Up Flanges
ASTM A694 F60 Stub Flange And Backing Ring
ASTM A694 F70 Backing Flanges
Stainless Steel Backing Flange Price List
Size In Inch | Material | Surface Treatment | Price In INR (India) Per Piece |
---|---|---|---|
3" | Alloy Steel | Polished | 675.00 |
6" | Stainless Steel | Polished | 1684.00 |
8" | Ductile Iron | Polished | 2129.00 |
10" | Carbon Steel | Polished | 2568.00 |
12" | Carbon Steel | Polished | 2978.00 |
PN16 Backing Flange Dimensions
ANSI 150 Backing Flange Dimensions
NPS In (Millimeter) | A (Millimeter) | B (Millimeter) | C (Millimeter) | P (Millimeter) | Number of holes | Diameter Of Hole (Millimeter) |
20 | 90 | 8 | 28 | 61 | 4 | 16 |
25 | 100 | 8 | 34 | 70 | 4 | 16 |
32 | 110 | 9 | 42 | 79 | 4 | 16 |
40 | 118 | 8 | 51 | 90 | 4 | 16 |
50 | 129 | 8 | 63 | 99 | 4 | 16 |
63 | 154 | 10 | 78 | 121 | 4 | 19 |
90 | 192 | 11 | 110 | 153 | 4 | 19 |
110 | 230 | 11 | 133 | 190 | 8 | 19 |
Stainless Steel Backing Flange Dimensions
NPS | OD (Outside Diameter) | ID (Inside Diameter) | T (Thickness) | BC (Bolt Circle) | Holes Diameter | Number of Bolt Holes | 45 Degree Bevel (B) | Weight Each (lbs) |
---|---|---|---|---|---|---|---|---|
2 | 6.000 | 2.440 | 0.500 | 4.75 | 0.750 | 4 | 0.250 | 3.1 |
3 | 7.500 | 3.570 | 0.500 | 6.00 | 0.750 | 4 | 0.250 | 4.6 |
4 | 9.000 | 4.570 | 0.500 | 7.50 | 0.750 | 8 | 0.250 | 6.2 |
6 | 11.000 | 6.720 | 0.500 | 9.50 | 0.875 | 8 | 0.250 | 7.8 |
8 | 13.500 | 8.720 | 0.500 | 11.75 | 0.875 | 8 | 0.250 | 11.2 |
10 | 16.000 | 10.880 | 0.500 | 14.25 | 1.000 | 12 | 0.250 | 14.0 |
12 | 19.000 | 12.880 | 0.500 | 17.00 | 1.000 | 12 | 0.250 | 20.4 |
Types Of Split Backing Flange
Class 150 – Squared Split Flanges
Class 150 – Round Split Flanges
Class 300 – Round Split Flanges
Split Backing Flange Value Added Services
Class 150 Split Backing Flange Dimensions
Class 300 Split Backing Flange Dimensions
Pressure-Temperature Ratings Of Split Backing Flange
Dimensions Of Galvanized Backing Ring Flanges
NPS | Overall | Internal | PCD | Thickness | Thickness | Hole | Number of | Weight In Kilogram |
---|---|---|---|---|---|---|---|---|
NB | Diameter | Diameter | (WT) | (WT) | Diameter | Holes | Weight In KG | |
Flanges | Standard | 86037 | ||||||
(Millimeter) | (Millimeter) | (Millimeter) | (Kg) | |||||
20 / 25 | 102 | 33 | 73 | 6 | 16 | 14 | 4 | 0.67 |
25 / 30 | 114 | 40 | 83 | 7 | 16 | 14 | 4 | 0.85 |
32 / 38 | 121 | 48 | 87 | 8 | 16 | 14 | 4 | 0.90 |
40 / 44.5 | 133 | 54.5 | 98 | 9 | 16 | 14 | 4 | 1.13 |
50 / 57 | 152 | 69 | 114 | 10 | 16 | 17.5 | 4 | 1.44 |
65 / 76 | 165 | 88 | 127 | 10 | 16 | 17.5 | 4 | 1.51 |
80 / 89 | 184 | 101 | 146 | 11 | 18 | 17.5 | 4 | 1.97 |
100 / 108 | 216 | 120 | 178 | 13 | 18 | 17.5 | 8 | 2.54 |
125 / 133 | 254 | 145.5 | 210 | 13 | 18 | 17.5 | 8 | 2.58 |
150 /159 | 279 | 171.5 | 235 | 17 | 18 | 22 | 8 | 4.39 |
200 / 219 | 337 | 232 | 292 | 19 | 20 | 22 | 8 | 7.39 |
250 / 267 | 406 | 280 | 356 | 22 | 22 | 22 | 12 | 11.57 |
300 /324 | 457 | 341 | 406 | 25 | 24 | 26 | 12 | 14.37 |
Backing Flange Size Chart
NPS | Flange Inner Diameter |
1/2" | 25.0 |
3/4" | 28.2 |
1" | 35.1 |
1 1/4" | 43.7 |
1 1/2" | 50.0 |
2" | 62.5 |
2 1/2" | 75.4 |
3" | 91.4 |
4" | 116.8 |
5" | 144.5 |
6" | 171.5 |
8" | 222.3 |
10" | 277.4 |
12" | 328.2 |
14" | 360.2 |
16" | 411.2 |
18" | 462.3 |
20" | 514.4 |
24" | 616.0 |
Carbon Steel Backing Flanges Dimensions
Ductile Iron Backup Flange Dimensions
Manufacturing Process Of ISO 9624 Backing Rings
ISO 7005-1 Flange Dimensions
T | D1 | C | B | Hole | F | G |
7,6 | 34 | 27 | 4,4 / M4 | 6 | 21,5 | 18,3 |
12,7 | 70 | 58,7 | 6,7 / M6 | 6 | 48,35 | 41,9 |
15.8 | 85,6 | 72,4 | 8,4 / M8 | 8 | 61,8 | 55,6 |
17,5 | 113,5 | 92,1 | 8,4 / M8 | 8 | 82,55 | 77,2 |
19,9 | 151,6 | 130,3 | 8,4 / M8 | 16 | 120,7 | 115,3 |
22,3 | 202,4 | 181 | 8,4 / M8 | 20 | 171,5 | 166,1 |
24,6 | 253,2 | 231,8 | 8,4 / M8 | 24 | 222,35 | 216,9 |
26 | 306 | 284 | 8,4 / M8 | 32 | 273,2 | 267 |
28,4 | 355,6 | 325,4 | 10,5 / M10 | 30 | 313,5 | 307,3 |
28,5 | 419,1 | 388,9 | 10,5 / M10 | 36 | 376,9 | 370,7 |
Blank: | (B) |
Blank Double - Sided | (BD) |
(Blank Double - Sided Tapped) | BDT |
Blank Rotatable Tapped | (BRT) |
Fixed | (F) |
Half Tapped | (HT) |
Mitred | (M) |
Rotatable | (R) |
Rotatable Tapped | (RT) |
Tapped | (T) |
ISO 9624 Flange Documentation
Backing Flange Dimensions
Flange Backing Ring Purpose
Backing Ring For Stub Flange
Table D Backing Rings Dimensions
Table E Backing Rings Dimensions
Stub Flange Backing Ring Dimensions
Backing Flange And Stub End
Back Up Flange Vs Lap Joint Flange
Backing Flange Weight
Size Of Tube | Drilling | Outer Diameter | Number Holes | Diameter Of Hole | P.C.D | Wall Thickness | 45° Chamfer | Weight In KG |
Table "D" | 95.3 | 4 | 12.7 | 66.7 | 10 | 3 | 0.5 | |
18 mm | Table "E" | 95.3 | 4 | 12.7 | 66.7 | 10 | 3 | 0.5 |
o/d tube | PN10 | 95 | 4 | 14 | 65 | 10 | 3 | 0.5 |
PN16 | 95 | 4 | 14 | 65 | 10 | 3 | 0.5 | |
ASA 150 (Class) | 88.9 | 4 | 15.7 | 60.5 | 10 | 3 | 0.5 | |
Table "D" | 101.6 | 4 | 12.7 | 73 | 10 | 3 | 0.6 | |
23 mm | Table "E" | 101.6 | 4 | 12.7 | 73 | 10 | 3 | 0.6 |
o/d tube | PN10 | 105 | 4 | 14 | 75 | 10 | 3 | 0.61 |
PN16 | 105 | 4 | 14 | 75 | 10 | 3 | 0.61 | |
ASA 150 (Class) | 98.4 | 4 | 15.7 | 69.8 | 10 | 3 | 0.6 |
Ductile Iron Backup Flange Gasket Dimensions
(Normal Size Of Steel Pipes) In Inch | (I.D.) Inner Daimeter Gasket | (O.D.) Outer Daimeter Gasket | ||||
---|---|---|---|---|---|---|
Class 150#/ LB | Class 300#/ LB | Class 400#/ LB | Class 600#/ LB | Class 900#/ LB | ||
1/2 | 0.84 | 1.875 | 2.125 | 2.125 | 2.125 | 2.50 |
3/4 | 1.06 | 2.25 | 2.625 | 2.625 | 2.625 | 2.75 |
1 | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
1 1/4 | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
1 1/2 | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
2 | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
2 1/2 | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
3 | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
4 | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
5 | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
6 | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
8 | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
10 | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
12 | 12.75 | 16.125 | 16.625 | 16.50 | 18.00 | 19.625 |
Carbon Steel Backing Flanges Thickness Tolerance
Normal Size Of Steel Pipe | Outer Diameter (O.D.) | 10 Schedule | 20 Schedule | 30 Schedule | STD Wall | 40 Schedule | 60 Schedule | EXT Hvy | 80 Schedule | 100 Schedule | 120 Schedule | 140 Schedule | 160 Schedule | XX Hvy |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
½ | 0.84 | 0.083 | ... | ... | 0.109 | 0.109 | ... | 0.147 | 0.147 | ... | ... | ... | 0.188 | 0.294 |
¾ | 1.05 | 0.083 | ... | ... | 0.113 | 0.113 | ... | 0.154 | 0.154 | ... | ... | ... | 0.219 | 0.308 |
1 | 1.315 | 0.109 | ... | ... | 0.133 | 0.133 | ... | 0.179 | 0.179 | ... | ... | ... | 0.25 | 0.358 |
1 ¼ | 1.66 | 0.109 | ... | ... | 0.14 | 0.14 | ... | 0.191 | 0.191 | ... | ... | ... | 0.25 | 0.382 |
1 ½ | 1.9 | 0.109 | ... | ... | 0.145 | 0.145 | ... | 0.2 | 0.2 | ... | ... | ... | 0.281 | 0.4 |
2 | 2.375 | 0.109 | ... | ... | 0.154 | 0.154 | ... | 0.218 | 0.218 | ... | ... | ... | 0.344 | 0.436 |
2 ½ | 2.875 | 0.12 | ... | ... | 0.203 | 0.203 | ... | 0.276 | 0.276 | ... | ... | ... | 0.375 | 0.552 |
3 | 3.5 | 0.12 | - | - | 0.216 | 0.216 | - | 0.3 | 0.3 | - | - | - | 0.438 | 0.6 |
3 ½ | 4 | 0.12 | - | - | 0.226 | 0.226 | - | 0.318 | 0.318 | - | - | - | - | 0.636 |
4 | 4.5 | 0.12 | - | - | 0.237 | 0.237 | - | 0.337 | 0.337 | - | 0.438 | - | 0.531 | 0.674 |
5 | 5.563 | 0.134 | - | - | 0.258 | 0.258 | - | 0.375 | 0.375 | - | 0.5 | - | 0.625 | 0.75 |
6 | 6.625 | 0.134 | - | - | 0.28 | 0.28 | - | 0.432 | 0.432 | - | 0.562 | - | 0.719 | 0.864 |
8 | 8.625 | 0.148 | 0.25 | 0.277 | 0.322 | 0.322 | 0.406 | 0.5 | 0.5 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 |
10 | 10.75 | 0.165 | 0.25 | 0.307 | 0.365 | 0.365 | 0.5 | 0.5 | 0.594 | 0.719 | 0.844 | 1 | 1.125 | 1 |
12 | 12.75 | 0.18 | 0.25 | 0.33 | 0.375 | 0.406 | 0.562 | 0.5 | 0.688 | 0.844 | 1 | 1.125 | 1.312 | 1 |
14 | 14 | 0.25 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.5 | 0.75 | 0.938 | 1.094 | 1.25 | 1.406 | - |
16 | 16 | 0.25 | 0.312 | 0.375 | 0.375 | 0.5 | 0.656 | 0.5 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | - |
18 | 18 | 0.25 | 0.312 | 0.438 | 0.375 | 0.562 | 0.75 | 0.5 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | - |
20 | 20 | 0.25 | 0.375 | 0.5 | 0.375 | 0.594 | 0.812 | 0.5 | 1.031 | 1.281 | 1.5 | 1.75 | 1.969 | - |
22 | 22 | 0.25 | - | - | 0.375 | - | - | 0.5 | - | - | - | - | - | - |
24 | 24 | 0.25 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.5 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | - |
26 | 26 | - | - | - | 0.375 | - | - | 0.5 | - | - | - | - | - | - |
30 | 30 | 0.312 | 0.5 | 0.625 | 0.375 | - | - | 0.5 | - | - | - | - | - | - |
ISO 9624 Loose Backing Flange Bolt Size
Facing Types Of Split Backing Flange
Backing Flange Standard
American Standard Backing Flange | |
Code Of Standard | Name Of Standard |
ASME SA-182 | Stainless Steel Backing Flange |
ASME And ANSI B16.5 | ISO 9624 Loose Backing Flange |
ASME – B 16.36 | Carbon Steel Backing Flanges |
German Standard Backup Flange | |
DIN 2573/ DIN 2576 | Backing (Flat Flange for Welding) |
DIN 2673 | Rings for Welding (Backing Flanges and Plain Collars) |
PN10/ DIN PN 10/ PN16 | PN20/ PN25/ PN40/ PN50 |
Japanese Standard Split Backing Flange | |
JIS B2220 | JIS 5K, 10K, 30K, 40K, |
British Standard Backing Flanges | |
BS 10 Table D/ Table E | BS 10 Table F/ Table H |
Global Client Reference list & delivery schedule of Stainless Steel Backing Flanges
Location | Days | Clients |
---|---|---|
India | 7 |
|
Malaysia | 15 |
|
United Arab Emirates (UAE) | 15 |
|
Dubai | 15 |
|
Indonesia | 20 |
|
Singapore | 15 |
|
UK | 40 |
|
Australia | 40 |
|
Italy | 30 |
|
Germany | 32 |
|
Kuwait | 12 |
|
Oman | 12 |
|
Qatar | 15 |
|