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ASME/ ANSI B16.5 Flange Dimensions

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ASME B16.5 Flange Manufacturer in Nagpur, India, Check ASA B16.5 Industrial Pipe Flange Dimension In MM.


Pipe Flanges and Flange Fittings produced under standard ASME B16.5 - 1996 are used predominantly in the oil and gas industry. The main function of using an ANSI B16.5 Flange is because it is a component that assists the worker during cleaning, inspection or modification across a piping system. The ASME B16.5 encompasses pressure-temperature ratings, Industrial Pipe Flange Dimensions, tolerances, marking, materials, testing, and methods of designating openings for several types of pipe flanges and flanged fittings.


ANSI B16.5 Flange
ANSI B16.5 Flange
Industrial Pipe Flange
Industrial Pipe Flange
ASA B16.5 NPT Flange
ASA B16.5 NPT Flange

Table of Contents

Flange Manufacturer In India

Buy Flanges, 1-1/2 NPS (Normal Pipe Size) To 3/4 NPS, ASTM A105, ASTM A182, Class 150#, 300#, SCH 40 * 80 SORF, RTJ, SW, BLRF, RF, ASME / ANSI B16.5 Flange At Factory Price.


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What Is ASME B16.5 Flange?


ANSI B16.5 Flange Manufacturer in India use this particular standard to manufacture flanges in the following rating class designations 150, 300, 400, 600, 900, 1500, and 2500. Generally, the manufacturers produce pipes between sizes NPS 1/2 through NPS 24, with requirements of the Flanges Used In Oil And Gas Industry given in both metric as well as in U.S units. The Standard is limited to flanges and their respective fittings made from either cast or forged materials. While blind flanges and certain reducing flanges made from ANSI B16.5 Flange Material such as cast, forged, or plates. Also included in the ASME B16.5 Standard are requirements and recommendations regarding flanges bolting, ASA B16.5 NPT Flange gaskets, in addition to flanges joints.


ASA B16.5 Flange Material Specification


Specification : ANSI B16.5 Flange
Flange Pressure Rating Table: Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS
Connect Type Type: RF, FF, RTJ, LMF, SMF, LJF.
Design For Size: ASA, ASME, DIN, PN, JIS, ANSI, BS, EN
ASA Flange Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Flange Production Process: Forged, Heat Treated and Machined
ANSI B16.5 Flange Application: Oil And Gas Industry
Nuclear Power Plant
Natural Gas Industry
Chemical Industry
Fabrication Industry
Water Pipeline Industry
Flange Standards : ASME B16.5, ASME B16.47 (Series A, Series B), ASME B16.38, EN-1092, BS10, DIN, PN, JIS, ISO, GOST, UNI, AWWA, MSS SP44.
Coating Flange Faces : Yellow Transparent, Oil Black Paint, Anti-rust Paint, Cold and Hot Dip Galvanized, Zinc Plated
Flange Machining Equipment: Bending machine, Pushing Machine, Sand-blasting machine, Press machine, electric bevelling machine etc

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Industrial Pipe Flange Types


ASME B16.5 Reducing Flange

ASME B16.5 Reducing Flange

ASME B16.5 Weld Neck Flange

ASME B16.5 Weld Neck Flange

ASME B16.5 Blind Flange

ASME B16.5 Blind Flange

ASME B16.5 Flat Face Flange

ASME B16.5 Flat Face Flange

ASME B16.5 RTJ Flange

ASME B16.5 RTJ Flange

ASME B16.5 Raised Face Flange

ASME B16.5 Raised Face Flange

ASME B16.5 Socket Weld Flange

ASME B16.5 Socket Weld Flange

ASME B16.5 Slip On Flange

ASME B16.5 Slip On Flange

ASME B16.36 Orifice Flange

ASME B16.36 Orifice Flange

ASME B16.48 Spectacle Flange

ASME B16.48 Spectacle Flange


Standard Flanges Dimensions In MM


DN
(inch) 		Dimension ANSI B16.5 Flange Dimensional Chart 3 to 10 in. Table
125 LB
150 LB		 300 LB 400 LB 600 LB 900 LB 1500 LB 2500 LB
in. millimeter in. millimeter in. millimeter in. millimeter in. millimeter in. millimeter in. millimeter
3 A 7 1/2 190.5 81/4 209.6 81/4 209.6 8 1/4 209.6 9 1/2 241 10 1/2 267 12 305
b 15/16 23.8 1 1/8 28.6 11/4 31.8 1 1/4 31.8 1 1/2 38.1 1 7/8 47.6 2 5/8 66.7
D2 5 127 5 127 5 127 5 127 5 127 5 127 5 127
D1 6 152.4 6 5/8 168.3 6 5/8 168.3 6 5/8 168.3 71/2 190.5 8 203 9 228.6
n 4 4 8 8 8 8 8 8 8 8 8 8 8 8
d 3/4 19 7/8 22.2 7/8 22.2 7/8 22.2 1 25.4 1 1/4 31.8 1 3/8 34.9
3 1/2 A 8 1/2 215.9 9 228.6 9 228.6 9 228.6 - - - - - -
b 15/16 23.8 13/16 30.2 13/8 34.9 13/8 34.9 - - - - - -
D2 5 1/2 139.7 5 /2 139.7 5 1/2 139.7 5 1/2 139.7 - - - - - -
D1 7 177.8 7 1/4 184.2 7 1/4 184.2 7 1/4 184.2 - - - - - -
n 8 8 8 8 8 8 8 8 - - - - - -
d 3/4 19 7/8 22.2 1 25.4 1 25.4 - - - - - -
4 A 9 228.6 10 254 10 254 10 3/4 273 11 1/2 292 12 1/4 311 14 356
b 15/16 23.8 1 1/4 31.7 1 3/8 34.9 1 1/2 38.1 1 3/4 44.4 2 1/8 54 3 76.2
D2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2
D1 7 1/2 190 7 7/8 200 7 7/8 200 8 1/2 215.9 9 1/4 235 9 1/2 241 10 3/4 273
n 8 8 8 8 8 8 8 8 8 8 8 8 8 8
d 3/4 19 7/8 22.2 1 25.4 1 25.4 1 1/4 31.8 1 3/8 34.9 1 5/8 41.3
5 A 10 254 11 279.4 11 279.4 13 330.2 13 3/4 349 14 3/4 375 16 1/2 419
b 1 5/16 23.8 13/8 34.9 1 1/2 38.1 1 3/4 44.4 2 50.8 2 7/8 73 3 5/8 92.1
D2 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7
D1 8 1/2 215.9 9 1/4 234.9 9 1/4 234.9 10 1/2 266.7 11 279 11 1/2 292 12 3/4 324
n 8 8 8 8 8 8 8 8 8 8 8 8 8 8
d 7/8 22.2 7/8 22.2 1 25.4 1 1/8 28.6 1 3/8 34.9 1 5/8 41.3 1 7/8 47.6
6 A 11 279 12 1/2 317.5 12 1/2 317.5 14 355.6 15 381 15 1/2 394 19 483
b 1 25.4 17/16 36.5 1 5/8 41.3 1 7/8 47.6 2 3/16 55.6 3 1/4 82.6 4 1/4 108
D2 8 1/2 216 8 1/2 215.9 8 1/2 215.9 8 1/2 215.9 8 1/2 215.9 8 1/2 215.9 8 1/2 216
D1 9 1/2 241 10 5/8 269.9 10 5/8 269.9 11 1/2 292.1 12 1/2 318 12 1/2 318 14 1/2 368
n 8 8 12 12 12 12 12 12 12 12 12 12 8 8
d 7/8 22.2 7/8 22.2 1 25.4 1 1/8 28.6 1 1/4 31.8 1 1/2 38.1 2 1/8 54
8 A 13 1/2 342.9 15 381 15 381 16 1/2 419 18 1/2 470 19 482.6 21 3/4 552
b 1 1/8 28.6 1 5/8 41.3 1 7/8 47.6 2 3/16 55.6 2 1/2 63.5 3 5/8 92.1 5 127
D2 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9
D1 11 3/4 298.4 13 330.2 13 330.2 13 3/4 349.2 15 1/2 394.2 15 1/2 394.2 17 1/4 438
n 8 8 12 12 12 12 12 12 12 12 12 12 12 12
d 7/8 22.2 1 25.4 1 1/8 28.6 1 1/4 31.8 1 1/2 38.1 1 3/4 44.5 2 1/8 54
10 A 16 406.4 17 1/2 444.5 17 1/2 444.5 20 508 21 1/2 546 23 584 26 1/2 673
b 1 3/16 30.2 1 7/8 47.6 2 1/8 54 2 1/2 63.5 2 3/4 69.8 4 1/4 108 6 1/2 165
D2 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8
D1 14 1/4 361.9 15 1/4 387.4 15 1/4 387.4 17 431.8 18 1/2 470 19 482.6 21 1/4 540
n 12 12 16 16 16 16 16 16 16 16 12 12 12 12
d 1 25.4 1 1/8 28.6 1 1/4 31.8 1 3/8 34.9 1 1/2 38.1 2 50.8 2 5/8 66.7


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ANSI B16.5 Flange According To DIN-EN-ASME-JIS


Types EN standard DIN standard Pressure Gr.
Flat Flange (FF) EN1092-1/01 DIN 2573 | 2576 PN6, PN10, PN16, PN25,
PN40, PN63, PN100, PN160,
PN250, PN320, PN400
 S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
BLRF Flange EN1092-1/05 DIN 2527 PN6, 10, 16, 25,
40, 63, 100, 160,
250, 320, 400
 S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
WN Flange EN1092-1/11 DIN 2627-2638 PN6, 10, 16, 25,
40, 63, 100, 160,
250, 320, 400
 S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Loose Flange EN1092-1/02 DIN 2641 | 2642 | 2655 | 2656 Pn6, 10, Pn16, 25,
40, 63, 100, 160,
250, 320, 400
 S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Weld Neck Collars EN1092-1/34 DIN 2673 – 2676 PN6, PN10, PN16, PN25,
PN40, 63, PN100, PN160,
PN250, 320, PN400		 S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)

NPT Flange

 EN1092-1/13 DIN 2558 | 2565 – 2569 PN6, 10, Pn16, 25,
40, 63, 100, 160,
250, 320, PN400
 S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Weld-on Collars EN1092-1/32 DIN 2641 | 2642 | 2655 | 2656 PN6, Pn10, 16, 25,
40, 63, 100, 160,
250, 320, Pn400
 S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Loose Flange EN1092-1/04 DIN 2673 – 2676 PN6, PN10, 16, 25,
40, 63, 100, 160,
250, 320, 400
 S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)

Pipe Flange Size Chart


DN
(in.)		DimensionANSI B16.5 Flange Dimensional 1/2 to 2 1/2 in. Size Chart
125#
150#		 300# 400# 600# 900# 1500# 2500#
in.millimeterin.millimeterin.millimeterin.millimeterin.millimeterin.millimeterin.millimeter
1/2A3 1/288.93 3/495.23 3/495.23 3/495.24 3/41214 3/41215 1/4133.4
b7/1611.19/1614.39/1614.39/1614.37/822.27/822.21 3/1630.2
D21 3/834.91 3/834.91 3/834.91 3/834.91 3/834.91 3/834.91 3/834.9
D12 3/860.32 5/866.72 5/866.72 5/866.73 1/482.63 1/482.63 1/288.9
n44444444444-444
d5/815.95/815.95/815.95/815.97/822.27/822.27/822.2
3/4A3 7/898.44 5/8117.54 5/8117.54 5/8117.55 1/81305 1/81305 1/2139.7
b1/212.75/815.95/815.95/815.9125.4125.41 1/431.8
D21 11/1642.91 11/1642.91 11/1642.91 11/1642.91 11/1642.91 11/1642.91 11/1642.9
D12 3/469.83 1/482.53 1/482.53 1/482.53 1/288.93 1/288.93 3/495.2
n44444444444-444
d5/815.93/4193/4193/4197/822.27/822.27/822.2
1A4 1/41084 7/8123.84 7/8123.84 7/8123.85 7/8149.25 7/8149.26 1/4159
b9/1614.311/1617.511/1617.511/1617.51 1/828.61 1/828.61 3/834.9
D2250.8250.8250.8250.8250.8250.8250.8
D13 1/879.43 1/288.93 1/288.93 1/288.9410241024 1/4108
n44444444444444
d5/815.93/4193/4193/419125.4125.4125.4
1 1/4A4 5/8117.55 1/4133.45 1/4133.45 1/4133.46 1/41596 1/41597 1/4184.2
b5/815.93/41913/1620.613/1620.61 1/828.61 1/828.61 1/238.1
D22 1/263.52 1/263.52 1/263.52 1/263.52 1/263.52 1/263.52 1/263.5
D13 1/288.93 7/898.43 7/898.43 7/898.44 3/81114 3/81115 1/8130
n44444444444444
d5/815.93/4193/4193/419125.4125.41 1/828.6
1 1/2A51276 1/8155.66 1/8155.66 1/8155.67177.87177.88203
b11/1617.513/1620.67/822.27/822.21 1/431.81 1/431.81 3/444.5
D22 7/873 982 7/8732 7/8732 7/8732 7/8732 7/8732 7/873
D13 7/844 1/21144 1/21144 1/21144 7/81244 7/81245 3/4146
n44444444444444
d5/8. 15.97/822.27/822.27/822.21 1/828.61 1/828.61 1/431.8
2A6152.46 1/2165.16 1/2165.16 1/2165.18 1/2215.98 1/2215.99 1/4234.9
b3/4197/822.2125.4125.41 1/238.11 1/238.1250.8
D23 5/892.13 5/892.13 5/892.13 5/892.13 5/892.13 5/892.13 5/892.1
D14 3/41215127512751276 1/2165.16 1/2165.16 3/4171
n44888888888888
d3/4193/4193/4193/419125.4125.41 1/828.6
2 1/2A7177.87 1/2190.57 1/2190.57 1/2190.59 5/82449 5/824410 1/2266.7
b7/822.2125.41 1/828.61 1/828.61 5/841.31 5/841.32 1/457.2
D24 1/8104.84 1/8104.84 1/8104.84 1/8104.84 1/81054 1/81054 1/8105
D15 1/2139.75 7/8149.25 7/8149.25 7/8149.27 1/2190.57 1/2190.57 3/4197
n44888888888888
d3/4197/822.27/822.27/822.21 1/828.61 1/828.61 1/431.8

NPT Flanges Weight Chart In KG


ANSI B16.5 Flange Weights by Pressure Class and Size
Pipe Size Class 150 Class 300 Class 600 Class 900 Class 1500 Class 2500
WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD
1/2" 2 1 1 2 1 1 2 2 2 1500# Weight 5 4 4 7 7 7
3/4" 2 2 2 3 3 3 4 3 3 1500# Weight 6 5 6 8 8 8
1" 3 2 2 4 3 3 4 4 4 1500# Weight 9 8 8 12 11 11
1 1/2" 4 3 3 7 6 6 8 7 8 1500# Weight 13 12 13 25 22 23
2" 6 5 5 9 7 8 12 9 10 1500# Weight 25 25 25 42 37 39
2 1/2" 8 7 7 12 10 12 18 13 15 1500# Weight 36 36 35 52 55 56
3" 10 8 9 15 13 16 23 16 20 31 26 29 48 48 48 94 83 86
4" 15 13 17 25 22 27 42 37 41 53 53 54 73 73 73 145 125 130
5" 19 15 20 32 28 35 68 63 68 86 83 87 130 130 140 245 210 225
6" 24 19 26 42 39 50 81 80 86 110 110 115 165 165 160 380 325 345
8" 39 30 45 67 58 81 120 115 140 175 170 200 275 260 300 580 485 530
10" 52 43 70 91 81 124 190 170 230 260 245 290 455 435 510 1075 930 1025
12" 80 64 110 140 115 185 225 200 295 325 325 415 690 580 690 1525 1100 1300
14" 110 90 140 180 165 250 280 230 355 400 400 520 940 NA 975 NA NA NA
16" 140 98 180 250 190 295 390 330 495 495 425 600 1250 NA 1300 NA NA NA
18" 150 130 220 320 250 395 475 400 630 680 600 850 1625 NA 1750 NA NA NA
20" 180 165 285 400 315 505 590 510 810 830 730 1075 2050 NA 2225 NA NA NA
22" 225 185 355 465 370 640 720 590 1000 NA NA NA NA NA NA NA NA NA
24" 260 220 430 580 475 790 830 730 1250 1500 1400 2025 3325 NA 3625 NA NA NA

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ANSI B16.5 Flanges Temperature Pressure Rating Chart


Temperature

Flanges Tables

-10°C to 200°C

250°C

300°C

350°C

400°C

425°C

450°C

475°C

6

6

5.5

5

–

–

–

–

–

10

10

9

8

7

6

–

–

–

16

16

15

13

11

9

–

–

–

25

25

24

21

17

14

12

9

6

40

40

38

33

28

23

20

15

10

64

64

61

53

44

36

32

24

16

100

100

95

83

70

57

50

37

25

160

160

152

132

112

92

80

60

40