Download pdf - flowconflowconme.com/wp-content/uploads/2017/12/4.-FLANGES.pdf · ASME B16.5 / ASME B16.47A (MSS SP44) / ASME B16.47B (API605) Upto Class 2500 lbs Sizes DN 15 - DN 3000 Notes: ‘

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Available Material & Specifications

Types of Flanges Available

Standards / Working Pressures / Sizes

Description Material

Carbon Steel A105, A350 LF2, A694 F42/46/52/60/65/70

Alloy SteelA182 F1 / F5 / F9 / F11 / F12 / F22 / F91,

A350 LF3

Stainless Steel A182, F304 / 304L, F316 / 316L, 321 / 321H

Others Titanium, Aluminium,

Copper - Nickle Alloy and more

European

EN1092-1 / BS4504 / DIN 2527 / DIN 2632 /

DIN 2633 / DIN 2635 / DIN 2637

Upto PN 160

AmericanASME B16.5 / ASME B16.47A (MSS SP44) /

ASME B16.47B (API605)

Upto Class 2500 lbs

Sizes DN 15 - DN 3000

Notes:• Weld Neck• Slip On• Blind• Slip On Plate (No Hub)• Lap Joint• Threaded• Socket Welding

SLIP-ON(HUBBED)

WELD NECK

BLIND

FORGED FLANGES Overview

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Welding Neck Flange conforms to BS EN1092-1 / BS4504 / DIN2633Blind Flange conforms to BS EN1092-1 / BS4504 / DIN2527Hubbed Slip-On Flange conforms to BS EN1092-1 / BS4504

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter

Diameterof BoltHoles

BoltingThickness of

Flange Height ofFlange

Diameter atBase of Hub

WN SOH BL

(mm) (inch) (mm) No. Size (mm)

DN NPS d1 D d2 K L n t1 t2 t3 H1 H2 X1 X2

10 3/8 17.2 90 41 60 14 4 M12 14 14 14 35 22 28 30

15 ½ 21.3 95 46 65 14 4 M12 14 14 14 38 22 32 35

20 ¾ 26.9 105 56 75 14 4 M12 16 16 16 40 26 40 45

25 1 33.7 115 65 85 14 4 M12 16 16 16 40 28 46 52

32 1¼ 42.4 140 76 100 18 4 M16 18 18 18 42 30 56 60

40 1½ 48.3 150 84 110 18 4 M16 18 18 18 45 32 64 70

50 2 60.3 165 99 125 18 4 M16 20 20 20 48 34 74 84

65 2½ 76.1 185 118 145 18 4 M16 20 20 20 48 32 92 104

80 3 88.9 200 132 160 18 8 M16 20 20 20 50 34 110 118

100 4 114.3 220 156 180 18 8 M16 22 22 22 52 40 130 140

125 5 139.7 250 184 210 18 8 M16 22 22 22 55 44 158 168

150 6 168.3 285 211 240 22 8 M20 24 24 24 55 44 184 195

200 8 219.1 340 266 295 22 12 M20 24 24 24 62 44 234 246

250 10 273 405 319 355 26 12 M24 26 26 26 70 46 288 298

300 12 323.9 460 370 410 26 12 M24 28 28 28 78 53 342 350

350 14 355.6 520 429 470 26 16 M24 30 30 30 82 57 390 400

400 16 406.4 580 480 525 30 16 M27 32 32 32 85 63 444 456

450 18 457 640 530 585 30 20 M27 34 34 36 87 68 490 502

500 20 508 715 582 650 33 20 M30 34 34 36 90 73 546 559

600 24 610 840 682 770 36 20 M33 36 36 44 95 83 650 658

All dimensions are nominal (indicative). Actual dimensions may vary.

d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

d2

KD

x2

t2 H2

HUBBED SLIP-ON (SOH)

n-L

t3

d2

KD

BLIND (BL)

Notes:• Also available as

A. Slip On Plate (no Hub)B. Lap JointC. ThreadedD. Socket Welding(Subject to minimum quantities)

• Higher sizes available upon request• Sizes under 65mm available,

subject to minimum quantities

STEEL FLANGES European StandardsPN16

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Dimensions


NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of


Diameterat Base of

HubWN SOH BL



10 3/8 17.2 90 41 60 14 4 M12 14 14 14 35 22 28 30

15 ½ 21.3 95 46 65 14 4 M12 14 14 14 38 22 32 35

20 ¾ 26.9 105 56 75 14 4 M12 16 16 16 40 26 40 45

25 1 33.7 115 65 85 14 4 M12 16 16 16 40 28 46 52

32 1¼ 42.4 140 76 100 18 4 M16 18 18 18 42 30 56 60

40 1½ 48.3 150 84 110 18 4 M16 18 18 18 45 32 64 70

50 2 60.3 165 99 125 18 4 M16 20 20 20 48 34 74 84

65 2½ 76.1 185 118 145 18 8 M16 22 22 22 52 38 92 104

80 3 88.9 200 132 160 18 8 M16 24 24 24 58 40 110 118

100 4 114.3 235 156 190 22 8 M20 24 24 24 65 44 134 145

125 5 139.7 270 184 220 26 8 M24 26 26 26 68 48 162 170

150 6 168.1 300 211 250 26 8 M24 28 28 28 75 52 190 200

200 8 219.1 360 274 310 26 12 M27 30 30 30 80 52 244 256

250 10 273 425 330 370 30 12 M27 32 32 32 88 60 296 310

300 12 323.9 485 389 430 30 16 M30 34 34 34 92 67 350 364

350 14 355.6 555 448 490 33 16 M33 38 38 38 100 72 398 418

400 16 406.4 620 503 550 36 16 M33 40 40 40 110 78 452 472

450 18 457 670 548 600 36 20 M33 42 42 46 110 84 500 520

500 20 508 730 609 660 36 20 M33 44 44 48 125 90 558 580

600 24 610 845 720 770 39 20 M36 46 46 58 125 100 660 684

d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

d2

KD

x2

t2 H2


n-L

t3

d2

KD

BLIND (BL)






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Dimensions


NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of


Diameter atBase of Hub

WN SOH BL



10 3/8 17.2 90 41 60 14 4 M12 14 14 14 35 22 28 30

15 ½ 21.3 95 46 65 14 4 M12 14 14 14 38 22 32 35

20 ¾ 26.9 105 56 75 14 4 M12 16 16 16 40 26 40 45

25 1 33.7 115 65 85 14 4 M12 16 16 16 40 28 46 52

32 1¼ 42.4 140 76 100 18 4 M16 18 18 18 42 30 56 60

40 1½ 48.3 150 84 110 18 4 M16 18 18 18 45 32 64 70

50 2 60.3 165 99 125 18 4 M16 20 20 20 48 34 74 84

65 2½ 76.1 185 118 145 18 8 M16 22 22 22 52 38 92 104

80 3 88.9 200 132 160 18 8 M16 24 24 24 58 40 110 118

100 4 114.3 235 156 190 22 8 M20 24 24 24 65 44 134 145

125 5 139.7 270 184 220 26 8 M24 26 26 26 68 48 162 170

150 6 168.3 300 211 250 26 8 M24 28 28 28 75 52 190 200

200 8 219.1 375 284 320 30 12 M27 34 34 34 88 52 244 260

250 10 273 450 345 385 33 12 M30 38 38 38 105 64 306 318

300 12 323.9 515 409 450 33 16 M30 42 42 42 115 71 362 380

350 14 355.6 580 465 510 36 16 M33 46 46 46 125 78 408 432

400 16 406.4 660 535 585 39 16 M36 50 50 50 135 86 462 498

450 18 457 685 560 610 39 20 M36 57 57 57 135 94 500 522

500 20 508 755 615 670 42 20 M39 57 57 57 140 100 562 576

600 24 610 890 735 795 48 20 M45 72 72 72 150 106 666 686

d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

d2

KD

x2

t2 H2


n-L

t3

d2

KD

BLIND (BL)






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Welding Neck Flange conforms to DIN2635Blind Flange conforms to DIN2527

Dimensions

All dimensions are nominal (indicative) Actual dimensions may vary

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange

Diameterat Base of

HubWN BL


DN NPS d1 D d2 K L n t1 t3 H1 X1

10 3/8 17.2 100 41 70 14 4 M12 20 20 45 32

15 ½ 21.3 105 46 75 14 4 M12 20 20 45 34

20 ¾ 26.9 130 56 90 18 4 M16 20 20 52 42

25 1 33.7 140 65 100 18 4 M16 24 24 58 52

32 1¼ 42.4 155 76 110 22 4 M20 24 24 60 60

40 1½ 48.3 170 84 125 22 4 M20 26 26 62 70

50 2 60.3 180 99 135 22 4 M20 26 26 62 82

65 2½ 76.1 205 118 160 22 8 M20 26 26 68 98

80 3 88.9 215 132 170 22 8 M20 28 28 72 112

100 4 114.3 250 156 200 26 8 M24 30 30 78 138

125 5 139.7 295 184 240 30 8 M27 34 34 88 168

150 6 168.3 345 211 280 33 8 M30 36 36 95 202

200 8 219.1 415 284 345 36 12 M33 42 42 110 256

250 10 273 470 345 400 36 12 M33 46 46 125 316

300 12 323.9 530 409 460 36 16 M33 52 52 140 372

350 14 355.6 600 465 525 39 16 M36 56 56 150 420

400 16 406.4 670 535 585 42 16 M39 60 60 160 475

d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

t3

d2

KD

BLIND (BL)


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Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange

Diameterat Base of

HubWN BL



10 3/8 17.2 100 41 70 14 4 M12 20 20 45 32

15 ½ 21.3 105 46 75 14 4 M12 20 20 45 34

20 ¾ 26.9 130 56 90 18 4 M16 20 20 52 42

25 1 33.7 140 65 100 18 4 M16 24 24 58 52

32 1¼ 42.4 155 76 110 22 4 M20 24 24 60 60

40 1½ 48.3 170 84 125 22 4 M20 26 26 62 70

50 2 60.3 195 99 145 26 4 M24 28 28 68 90

65 2½ 76.1 220 118 170 26 8 M24 30 30 76 108

80 3 88.9 230 132 180 26 8 M24 32 32 78 120

100 4 114.3 265 156 210 30 8 M27 36 36 90 150

125 5 139.7 315 184 250 33 8 M30 40 40 105 180

150 6 168.3 355 211 290 33 12 M30 44 44 115 210

200 8 219.1 430 284 360 36 12 M33 52 52 130 278

250 10 273 505 345 430 39 12 M36 60 60 157 340

300 12 323.9 585 409 500 42 16 M39 68 68 170 400

350 14 355.6 655 465 560 48 16 M45 74 74 189 460

400 16 406.4 715 535 620 48 16 M45 82 82 205 510


d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

t3

d2

KD

BLIND (BL)


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Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange

Diameterat Base of

HubWN BL



10 3/8 17.2 100 41 70 14 4 M12 24 24 45 32

15 ½ 21.3 105 46 75 14 4 M12 26 26 45 34

20 ¾ 26.9 130 56 90 18 4 M16 30 30 52 42

25 1 33.7 140 65 100 18 4 M16 32 32 58 52

32 1¼ 42.4 155 76 110 22 4 M20 34 34 60 60

40 1½ 48.3 170 84 125 22 4 M20 36 36 64 70

50 2 60.3 195 99 145 26 4 M24 38 38 75 90

65 2½ 76.1 220 118 170 26 8 M24 42 42 82 108

80 3 88.9 230 132 180 26 8 M24 46 46 86 120

100 4 114.3 265 156 210 30 8 M27 52 52 100 150

125 5 139.7 315 184 250 33 8 M30 56 56 115 180

150 6 168.3 355 211 290 33 12 M30 62 62 128 210

200 8 219.1 430 284 360 36 12 M33 66 66 140 278

250 10 273 505 345 430 42 12 M39 76 76 155 340

300 12 323.9 585 409 500 42 16 M39 88 88 175 400


d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

t3

d2

KD

BLIND (BL)


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Flanges conform to ASME B16.5

Dimensions


NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of


Diameterat Base of

HubWN SOH BL



15 ½ 21.3 90 35 60.5 16 4 M14 11.5 11.5 11.5 48 16 30 30

20 ¾ 26.9 100 43 70 16 4 M14 13 13 13 52 16 38 38

25 1 33.7 110 51 79.5 16 4 M14 14.5 14.5 14.5 56 17 49 49

32 1¼ 42.4 120 63.5 89 16 4 M14 16 16 16 57 21 59 59

40 1½ 48.3 130 73 98.5 16 4 M14 17.5 17.5 17.5 62 22 65 65

50 2 60.3 150 92 120.5 16 4 M16 19.5 19.5 19.5 64 25 78 78

65 2½ 76.1 180 105 139.5 18 4 M16 22.5 22.5 22.5 70 29 90 90

80 3 88.9 190 127 152.5 18 4 M16 24 24 24 70 30 108 108

90 3½ 101.6 216 140 178 18 8 M16 24 24 24 71 32 122 122

100 4 114.3 230 157.5 190.5 18 8 M16 24 24 24 76 33 135 135

125 5 139.7 255 186 216 22 8 M20 24 24 24 89 36 164 164

150 6 168.1 280 216 241.5 22 8 M20 25.5 25.5 25.5 89 40 192 192

200 8 219.1 345 270 298.5 22 8 M20 29 29 29 102 44 246 246

250 10 273 405 324 362 26 12 M24 30.5 30.5 30.5 102 49 305 305

300 12 323.9 485 381 432 26 12 M24 32 32 32 114 56 365 365

350 14 355.6 535 413 476 29.5 12 M27 35 35 35 127 57 400 400

400 16 406.4 600 470 540 29.5 16 M27 37 37 37 127 64 457 457

450 18 457 635 533.5 578 32.5 16 M30 40 40 40 140 68 505 505

500 20 508 700 584 635 32.5 20 M30 43 43 43 145 73 559 559

550 22 559 750 641 692 32.5 20 M33 46 46 46 149 - 610 610

600 24 610 816 692 749.5 32.5 20 M33 48 48 48 152 83 664 664

d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

d2

KD

x2

t2 H2


n-L

t3

d2

KD

BLIND (BL)





STEEL FLANGES American StandardsCLASS150

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Dimensions


NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of


Diameterat Base of

HubWN SOH BL



15 ½ 21.3 96 35 66.5 16 4 M14 14.5 14.5 14.5 52 22 38 38

20 ¾ 26.9 120 43 82.5 18 4 M16 16 16 16 57 25 48 48

25 1 33.7 125 51 89 18 4 M16 17.5 17.5 17.5 62 27 54 54

32 1¼ 42.4 135 63.5 98.5 18 4 M16 19.5 19.5 19.5 65 27 64 64

40 1½ 48.3 155 73 114.5 22 4 M20 21 21 21 68 30 70 70

50 2 60.3 165 92 127 18 8 M16 22.5 22.5 22.5 70 33 84 84

65 2½ 76.1 190 105 149 22 8 M20 25.5 25.5 25.5 76 38 100 100

80 3 88.9 210 127 168.5 22 8 M20 29 29 29 79 43 118 118

90 3½ 101.6 229 140 184 22 8 M20 30 30 30 81 45 140 140

100 4 114.3 255 157.5 200 22 8 M20 32 32 32 86 48 146 146

125 5 139.7 280 186 235 22 8 M20 35 35 35 98 51 178 178

150 6 168.1 320 216 270 22 12 M20 37 37 37 98 52 206 206

200 8 219.1 380 270 330 26 12 M24 41.5 41.5 41.5 111 62 260 260

250 10 273 445 324 387.5 29.5 16 M27 48 48 48 117 67 321 321

300 12 323.9 520 381 451 32.5 16 M30 51 51 51 130 73 375 375

350 14 355.6 585 413 514.5 32.5 20 M30 54 54 54 143 76 426 426

400 16 406.4 650 470 571.5 35.5 20 M33 57.5 57.5 57.5 146 83 483 483

450 18 457 710 533.5 628.5 35.5 24 M33 60.5 60.5 60.5 159 89 533 533

500 20 508 775 584 686 35.5 24 M33 63.5 63.5 63.5 162 95 587 587

550 22 559 840 641 743 42 24 M39 66.5 66.5 66.5 165 - 640 640

600 24 610 915 692 813 42 24 M39 70 70 70 168 104 702 702


d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

d2

KD

x2

t2 H2


n-L

t3

d2

KD

BLIND (BL)






flowconME

Dimensions


NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of


Diameterat Base of

HubWN SOH BL



15 ½ 21.3 96 35 66.5 16 4 M14 14.5 14.5 14.5 52 22 38 38

20 ¾ 26.9 120 43 82.5 18 4 M16 16 16 16 57 25 48 48

25 1 33.7 125 51 89 18 4 M16 17.5 17.5 17.5 62 27 54 54

32 1¼ 42.4 135 63.5 98.5 18 4 M16 21 21 21 67 29 64 64

40 1½ 48.3 155 73 114.5 22 4 M20 22.5 22.5 22.5 70 32 70 70

50 2 60.3 165 92 127 18 8 M16 25.5 25.5 25.5 73 37 84 84

65 2½ 76.1 190 105 149 22 8 M20 29 29 29 79 41 100 100

80 3 88.9 210 127 168.5 22 8 M20 32 32 32 83 46 117 117

90 3½ 101.6 229 140 184 26 8 M24 35 35 35 86 49 133 133

100 4 114.3 275 157.5 216 26 8 M24 38.5 38.5 38.5 102 54 152 152

125 5 139.7 330 186 267 29.5 8 M27 44.5 44.5 44.5 114 60 189 189

150 6 168.1 355 216 292 29.5 12 M27 48 48 48 117 67 222 222

200 8 219.1 420 270 349 32.5 12 M30 55.5 55.5 55.5 133 76 273 273

250 10 273 510 324 432 35.5 16 M33 63.5 63.5 63.5 152 86 343 343

300 12 323.9 560 381 489 35.5 20 M33 67 67 67 156 92 400 400

350 14 355.6 605 413 527 39 20 M36 70 70 70 165 94 432 432

400 16 406.4 685 470 603 42 20 M39 76.5 76.5 76.5 178 106 495 495

450 18 457 745 533.5 654 45 20 M42 83 83 83 184 117 546 546

500 20 508 815 584 724 45 24 M42 89 89 89 190 127 610 610

550 22 559 870 641 778 48 24 M45 95 95 95 197 665 665

600 24 610 940 692 838 51 24 M48 102 102 102 203 140 718 718






d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

d2

KD

x2

t2 H2


n-L

t3

d2

KD

BLIND (BL)


flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of


Diameterat Baseof HubWN BL



15 ½ 21.3 120 35 82.5 22 4 M20 22.5 22.5 60 38

20 ¾ 26.9 130 43 89 22 4 M20 25.5 25.5 70 44

25 1 33.7 150 51 101.5 26 4 M24 29 29 73 52

32 1¼ 42.4 160 63.5 111 26 4 M24 29 29 73 64

40 1½ 48.3 180 73 124 29.5 4 M27 32 32 83 70

50 2 60.3 215 92 165 26 8 M24 38.5 38.5 102 105

65 2½ 76.1 245 105 190.5 29.5 8 M27 41.5 41.5 105 124

80 3 88.9 240 127 190.5 26 8 M24 38.5 38.5 102 127

100 4 114.3 290 157.5 235 32.5 8 M30 44.5 44.5 114 159

125 5 139.7 350 186 279.5 35.5 8 M33 51 51 - 190

150 6 168.1 380 216 317.5 32.5 12 M30 56 56 140 235

200 8 219.1 470 270 393.5 39 12 M36 63.5 63.5 162 298

250 10 273 545 324 470 39 16 M36 70 70 184 368

300 12 323.9 610 381 533.5 39 20 M36 79.5 79.5 200 419

350 14 355.6 640 413 559 42 20 M39 86 86 213 451

400 16 406.4 705 470 616 45 20 M42 89 89 216 508

450 18 457 785 533.5 686 51 20 M48 102 102 229 565

500 20 508 855 584 749.5 55 20 M52 108 108 248 672

600 24 610 1040 692 901.5 68 20 M64 140 140 267 749

d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

t3

d2

KD

BLIND (BL)




flowconME

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of





15 ½ 21.3 120 35 82.5 22 4 M20 22.5 22.5 60 38

20 ¾ 26.9 130 43 89 22 4 M20 25.5 25.5 70 44

25 1 33.7 150 51 101.5 26 4 M24 29 29 73 52

32 1¼ 42.4 160 63.5 111 26 4 M24 29 29 73 64

40 1½ 48.3 180 73 124 29.5 4 M27 32 32 83 70

50 2 60.3 215 92 165 26 8 M24 38.5 38.5 102 105

65 2½ 76.1 245 105 190.5 29.5 8 M27 41.5 41.5 105 124

80 3 88.9 265 127 203 32.5 8 M30 48 48 117 133

100 4 114.3 310 157.5 241.5 35.5 8 M33 54 54 124 162

125 5 139.7 375 186 292 42 8 M39 73.5 73.5 155 197

150 6 168.1 395 216 317.5 39 12 M36 83 83 171 229

200 8 219.1 485 270 393.5 45 12 M42 92 92 213 292

250 10 273 585 324 482.5 51 12 M48 108 108 254 368

300 12 323.9 675 381 571.5 55 16 M52 124 124 283 451

350 14 355.6 750 413 635 60 16 M56 133.5 133.5 298 495

400 16 406.4 825 470 705 68 16 M64 146.5 146.5 311 552

450 18 457 915 533.5 774.5 74 16 M70 162 162 327 597

500 20 508 985 584 832 80 16 M76 178 178 356 641

600 24 610 1170 692 990.5 94 16 M90 203.5 203.5 406 762


d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

t3

d2

KD

BLIND (BL)

Dimensions



flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange




650 26 660 870 749 806 36 24 M33(1¼) 68.5 68.5 121 675

700 28 711 925 800 863 36 28 M33(1¼) 71.5 71.5 125 725

750 30 762 985 857 914 36 28 M33(1¼) 74.5 74.5 137 780

800 32 813 1060 914 978 42 28 M39(1½) 81 81 144 830

850 34 864 1110 965 1029 42 32 M39(1½) 82.5 82.5 149 880

900 36 914 1170 1022 1086 42 32 M39(1½) 90.5 90.5 157 935

950 38 965 1240 1073 1150 42 32 M39(1½) 87.5 87.5 157 990

1000 40 1016 1290 1124 1200 42 36 M39(1½) 90.5 90.5 164 1040

1050 42 1067 1345 1194 1257 42 36 M39(1½) 97 97 171 1090

1100 44 1118 1405 1245 1214 42 40 M39(1½) 102 102 178 1145

1150 46 1168 1455 1295 1365 42 40 M39(1½) 103 103 186 1195

1200 48 1217 1510 1359 1422 42 44 M39(1½) 108 108 192 1250

1250 50 1270 1570 1410 1480 48 44 M45(1¾) 111 111 203 1300

1300 52 1321 1625 1460 1537 48 44 M45(1¾) 116 116 210 1355

1350 54 1372 1685 1511 1594 48 44 M45(1¾) 121 121 216 1405

1400 56 1422 1745 1575 1651 48 48 M45(1¾) 124 124 229 1455

1450 58 1473 1805 1626 1708 48 48 M45(1¾) 129 129 235 1510

1500 60 1524 1855 1676 1759 48 52 M45(1¾) 132 132 240 1560

Flanges conform to ASME B16.47A (MSS SP44)

d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

t3

d2

KD



flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange




650 26 660 970 749 876 45 28 M42(15/8) 79.5 84 184 720

700 28 711 1035 800 940 45 28 M42(15/8) 85.5 90.5 197 775

750 30 762 1090 857 997 48 28 M45(1¾) 92 95 210 825

800 32 813 1150 914 1054 51 28 M48(17/8) 98.5 100 222 880

850 34 864 1205 965 1105 51 28 M48(17/8) 102 105 232 935

900 36 914 1270 1022 1168 55 32 M52(2) 105 111 241 990

950 38 965 1170 1029 1092 42 32 M39(1½) 108 108 181 995

1000 40 1016 1240 1086 1156 45 32 M42(15/8) 114 114 194 1050

1050 42 1067 1290 1137 1206 45 32 M42(15/8) 119 119 200 1100

1100 44 1118 1355 1194 1264 48 32 M45(1¾) 124 124 206 1150

1150 46 1168 1415 1245 1321 51 28 M48(17/8) 129 129 216 1205

1200 48 1217 1465 1302 1372 51 32 M48(17/8) 133 133 224 1255

1250 50 1270 1530 1359 1429 55 32 M52(2) 140 140 232 1305

1300 52 1321 1580 1410 1480 55 32 M52(2) 144 144 238 1355

1350 54 1372 1660 1467 1549 60 28 M56(2¼) 152 152 252 1410

1400 56 1422 1710 1518 1600 60 28 M56(2¼) 154 154 260 1465

1450 58 1473 1760 1575 1651 60 32 M56(2¼) 159 159 267 1515

1500 60 1524 1810 1626 1702 60 32 M56(2¼) 164 164 273 1565


d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

t3

d2

KD



flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange




650 26 660 1015 749 914 51 28 M48(17/8) 108 125 222 750

700 28 711 1075 800 965 55 28 M52(2) 111 132 235 805

750 30 762 1130 857 1022 55 28 M52(2) 114 140 248 860

800 32 813 1195 914 1080 60 28 M56(2¼) 117 148 260 920

850 34 864 1245 965 1130 60 28 M56(2¼) 121 154 270 975

900 36 914 1315 1022 1194 68 28 M64(2½) 124 162 283 1030

950 38 965 1270 1054 1162 60 28 M56(2¼) 152 156 254 1020

1000 40 1016 1320 1111 1213 60 32 M56(2¼) 159 162 264 1075

1050 42 1067 1405 1168 1283 68 28 M64(2½) 168 171 278 1125

1100 44 1118 1455 1226 1334 68 32 M64(2½) 173 178 289 1180

1150 46 1168 1510 1276 1391 68 32 M64(2½) 179 186 300 1235

1200 48 1217 1595 1334 1460 74 32 M70(2¾) 189 195 316 1290

1250 50 1270 1670 1384 1524 80 28 M76(3) 197 203 329 1345

1300 52 1321 1720 1435 1575 80 32 M76(3) 203 210 337 1395

1350 54 1372 1780 1492 1632 80 32 M76(3) 210 217 349 1450

1400 56 1422 1855 1543 1695 86 32 M82(3¼) 217 225 362 1500

1450 58 1473 1905 1600 1746 86 32 M82(3¼) 222 232 370 1555

1500 60 1524 1995 1657 1822 94 28 M90(3½) 233 243 389 1610


d1

X1

H1

t1

d2

KD

n-L

WELD NECK (WN)

n-L

t3

d2

KD



flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange




650 26 660 1085 749 952 74 20 M70(2¾) 140 160 286 775

700 28 711 1170 800 1022 80 20 M76(3) 143 171 298 830

750 30 762 1230 857 1086 80 20 M76(3) 149 183 311 890

800 32 813 1315 914 1156 86 20 M82(3¼) 159 194 330 945

850 34 864 1395 965 1226 94 20 M90(3½) 165 205 349 1005

900 36 914 1460 1022 1289 94 20 M90(3½) 171 214 362 1065

950 38 965 1460 1099 1289 94 20 M90(3½) 190 216 352 1075

1000 40 1016 1510 1162 1340 94 24 M90(3½) 197 224 364 1125

1050 42 1067 1560 1213 1391 94 24 M90(3½) 206 232 371 1175

1100 44 1118 1650 1270 1464 99 24 M95(3¾) 214 243 391 1235

1150 46 1168 1735 1334 1537 105 24 M100(4) 225 256 411 1290

1200 48 1217 1785 1384 1588 105 24 M100(4) 233 264 419 1345


d1

X1

H1

t1

d2

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n-L

WELD NECK (WN)

n-L

t3

d2

KD



flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange




650 26 660 762 705 724 19 36 M16(5/8) 33.5 33.5 59 684

700 28 711 813 756 775 19 40 M16(5/8) 33.5 33.5 62 735

750 30 762 864 806 826 19 44 M16(5/8) 33.5 33.5 65 787

800 32 813 914 857 876 19 48 M16(5/8) 35 36.5 70 840

850 34 864 965 908 927 19 52 M16(5/8) 35 38 73 892

900 36 914 1033 965 992 22 40 M20(3/4) 36.5 42.5 86 945

950 38 965 1084 1016 1043 22 40 M20(3/4) 38 44.5 89 997

1000 40 1016 1135 1067 1094 22 44 M20(3/4) 38 44.5 92 1049

1050 42 1067 1186 1118 1145 22 48 M20(3/4) 40 48 95 1102

1100 44 1118 1251 1175 1203 26 36 M24(7/8) 43 49.5 105 1153

1150 46 1168 1302 1226 1254 26 40 M24(7/8) 44.5 51 108 1205

1200 48 1217 1353 1276 1305 26 44 M24(7/8) 46 54 111 1257

1250 50 1270 1403 1327 1356 26 44 M24(7/8) 48 55.4 116 1308

1300 52 1321 1457 1378 1410 26 48 M24(7/8) 48 57.2 121 1370

1350 54 1372 1508 1429 1460 26 48 M24(7/8) 49 60.5 125 1413

1400 56 1422 1575 1486 1521 30 40 M27(1) 51 62 135 1465

1450 58 1473 1626 1537 1572 30 44 M27(1) 52.5 63.5 138 1516

1500 60 1524 1676 1588 1622 30 44 M27(1) 56 66.5 145 1570

Flanges conform to ASME B16.47B (API 605)

d1

X1

H1

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d2

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flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange




650 26 660 786 711 745 22 36 M20(3/4) 41.5 44.5 89 684

700 28 711 837 762 795 22 40 M20(3/4) 44.5 48 95 735

750 30 762 887 813 846 22 44 M20(3/4) 44.5 51 100 787

800 32 813 941 864 900 22 48 M20(3/4) 46 54 108 840

850 34 864 1005 921 957 26 40 M24(7/8) 49 57.5 110 892

900 36 914 1057 972 1010 26 44 M24(7/8) 52.5 58.7 117 945

950 38 965 1124 1022 1070 30 40 M27(1) 54 63.5 124 997

1000 40 1016 1175 1080 1121 30 44 M27(1) 56 66.6 129 1049

1050 42 1067 1226 1130 1172 30 48 M27(1) 59 68.3 133 1102

1100 44 1118 1276 1181 1222 30 52 M27(1) 60 71.4 137 1153

1150 46 1168 1341 1235 1284 33 40 M30(11/8) 62 75 145 1205

1200 48 1217 1392 1289 1335 33 44 M30(11/8) 65 78 149 1257

1250 50 1270 1443 1340 1386 33 48 M30(11/8) 68.5 81 154 1308

1300 52 1321 1494 1391 1437 33 52 M30(11/8) 70 84 157 1370

1350 54 1372 1549 1441 1492 33 56 M30(11/8) 71.5 87.4 162 1413

1400 56 1422 1600 1492 1543 33 60 M30(11/8) 73 90.5 167 1465

1450 58 1473 1675 1543 1611 36 48 M33(11/4) 74.5 94 175 1516

1500 60 1524 1726 1600 1662 36 52 M33(11/4) 76.5 97 179 1570


d1

X1

H1

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d2

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WELD NECK (WN)

n-L

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d2

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flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange




650 26 660 867 737 803 36 32 M33(1¼) 89 89 144 702

700 28 711 921 787 857 36 36 M33(1¼) 89 89 149 756

750 30 762 991 845 921 39 36 M36(13/8) 94 94 158 813

800 32 813 1054 902 978 42 32 M39(1½) 103 103 168 864

850 34 864 1108 953 1032 42 36 M39(1½) 103 103 173 918

900 36 914 1172 1010 1089 45 32 M42(15/8) 103 103 181 965

950 38 965 1222 1060 1140 45 36 M42(15/8) 111 111 192 1016

1000 40 1016 1273 1114 1191 45 40 M42(15/8) 116 116 198 1067

1050 42 1067 1334 1168 1245 48 36 M45(1¾) 119 119 205 1118

1100 44 1118 1384 1219 1295 48 40 M45(1¾) 127 127 214 1173

1150 46 1168 1460 1270 1365 52 36 M48(17/8) 128.5 130 222 1229

1200 48 1217 1511 1327 1416 52 40 M48(17/8) 128.5 135 224 1278

1250 50 1270 1562 1378 1467 52 44 M48(17/8) 138 140 235 1330

1300 52 1321 1613 1429 1518 52 48 M48(17/8) 143 144.5 243 1383

1350 54 1372 1673 1480 1578 52 48 M48(17/8) 146.5 150 240 1435

1400 56 1422 1765 1537 1651 60 36 M56(2¼) 154 157 268 1494

1450 58 1473 1827 1594 1713 60 40 M56(2¼) 154 162 275 1548

1500 60 1524 1878 1651 1764 60 40 M56(2¼) 151 167 272 1599


d1

X1

H1

t1

d2

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WELD NECK (WN)

n-L

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d2

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flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange




650 26 660 889 727 806.5 45 28 M42(15/8) 111 111 181 699

700 28 711 953 784 863.5 48 28 M45(1¾) 116 126 191 752

750 30 762 1022 841 927 52 28 M48(17/8) 125 127 205 806

800 32 813 1086 985 984.5 56 28 M52(2) 130 135 216 860

850 34 864 1162 953 1054 60 24 M56(2¼) 141 144.5 233 914

900 36 914 1213 1010 1105 60 28 M56(2¼) 146 151 243 968


d1

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H1

t1

d2

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WELD NECK (WN)

n-L

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d2

KD



flowconME

Dimensions

NominalDiameter

O.D.of

Pipe

O.D.of

Flange

DiameterMale

PitchCircle

Diameter


BoltingThickness of

FlangeHeight

ofFlange




650 26 660 1022 762 901.5 68 20 M64(2½) 135 154 259 743

700 28 711 1105 819 971.5 73 20 M72(2¾) 148 167 276 797

750 30 762 1181 876 1035 80 20 M76(3) 155 176 289 851

800 32 813 1238 927 1092 80 20 M76(3) 160 186 303 908

850 34 864 1314 991 1155.5 86 20 M85(3¼) 171 195 319 962

900 36 914 1346 1029 1200 90 24 M76(3) 173 202 325 1016


d1

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flowconME

ASME B16.5 (≤24”) Steel Pipe FlangesASME B16.47A (MSS SP44) (>24”) Large Diameter FlangesASME B16.47B (API 605) (>24”) Large Diameter Flanges

Slip-On, Blind Flange Welding Neck Flange

Outside Diameterof Flange (D)

≤DN600>DN600

±1.6±3.2

≤DN600>DN600

±1.6±3.2

Pitch CircleDiameter (K) ±1.6 ±1.6

(Interval) Spacingof Bolt Holes ±0.8 ±0.8

EccentricitySpacing of Bolt

Circle

≤DN65>DN65

±0.8±1.6

≤DN65>DN65

±0.8±1.6

Thickness (C)≤450 +3.2

-0 ≤450 +3.2-0

>450 +4.8-0 >450 +4.8

-0

Height (H)≤450 +3.2

-0.8 ≤DN250 ±1.6

>450 +4.8-1.6 ≥DN250 ±3.2

STEEL FLANGES American StandardsToleralance of Flanges

Viale Abruzzi 94 CAP 20131Milano - Italy

Tel: +39.034.36881209