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ASME B16.36 Orifice Flanges Manufacturers in Stainless and Carbon Steel

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ASME B16.36 Orifice Flange
ASME B16.36 Orifice Flange
Carbon Steel Orifice Flanges ANSI B16.36
Carbon Steel Orifice Flanges ANSI B16.36
Stainless Steel Orifice Flanges
Stainless Steel Orifice Flanges


CS Orifice Flanges ANSI B16.36 Dimensions


CS Orifice Flanges ANSI B16.36 Dimensions

Types Of Stainless Steel Orifice Flanges


ASME B16 36 Orifice Plate Flange

ASME B16 36 Orifice Plate Flange

Forged Asme B16.36 WN 150# Orifice Flange Material

Forged Asme B16.36 WN 150# Orifices Flange Material

F310 Forged Pn20 Class 150lb Wn Orifice Flange

F310 Forged Pn20 Class 150lb Wn Orifice Flange

ASTM A182 F51 F53 Rtj Orifice Flange

ASTM A182 F51 F53 Rtj Orifices Flange

Stainless Material 304 Ring Joint Orifice Flange

Stainless Material 304 Ring Joint Orifice Flange

Flange 300 Lb Wn Rf A105 Orifice Flange Union 150#

Flange 300 Lb Wn Rf A105 Orifices Flange Union 150#

150LBS 12 inch lapped ASTM A182 lf2 Orifice Plate For Rtj Flange

150LBS 12 inch lapped ASTM A182 lf2 Orifice Plate For Rtj Flange

Forged Uns S32205 Dn250 Class 150 Orifice Flange Ring Type Joint

Forged Uns S32205 Dn250 Class 150 Orifices Flange Ring Type Joint

Alloy 800h Uns N08810 Forged Flanges 600# Class 150 Orifice Flange

Alloy 800h Uns N08810 Forged Flange 600# Class 150 Orifice Flange

Din ST37.2 Carbon Steel Blind Orifice Flange

Din ST37.2 Carbon Steel Blind Orifices Flange

ASME B16.36 Forged WN Carbon Steel Orifice Flange

ASME B16.36 Forged WN Carbon Steel Orifice Flange

DN10-DN1200 ASTM A182 F316L Orifice Flange 300 Lbs

DN10-DN1200 ASTM A182 F316L Orifices Flange 300 Lbs



Specification Of Threaded Orifice Flange


Specification : ASME B16.36 Orifice Flange
ASA Flange Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Standards : AWWA Flange, MSS SP44 Flange, EN-1092 Flange, BS10 Flange, JIS Flange, ISO Flange, ASME B16.38, ASME B16.47 (Series A Flange, Series B), PN Flange, DIN Flange, GOST Flange, UNI Flange, ASME B16.5.
ASME B16.5 Application: Water Pipeline Industry
Oil And Gas Industry
Fabrication Industry
Natural Gas Industry
Nuclear Power Plant
Chemical Industry
Design For Size: ASA, EN, DIN, PN, JIS, ASME, ANSI, BS
Connect Type Type: RF, FF, LMF, SMF, RTJ, LJF.
Machining Equipment: Electric bevelling machine, Bending machine, Press machine, Pushing Machine, Sand-blasting machine etc
Production Process: Forged, Heat Treated and Machined
Pressure Rating Table: Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS
Coating Flanges Faces : Yellow Transparent, Cold and Hot Dip Galvanized, Zinc Plated, Oil Black Paint, Anti-rust Paint


150# Orifice Flanges Dimensions


NPS O C R X A Y TT No. of holes Diameter of holes Diameter of bolts Diameter of bolt circle
inch 1″ 4.88 1.5 2 2.12 1.32 3.25 01/04/07 4 0.69 5/8″ 3.5
Millimeter 124 38.1 50.8 53.8 33.5 82.6 6.4 17.5 15.9 88.9
Inch 1 1/2″ 6.12 1.5 2.88 2.75 1.9 3.38 01/04/07 4 0.81 3/4″ 4.5
Millimeter 155.4 38.1 73.2 69.9 48.3 85.9 6.4 20.6 19.1 114.3
Inch 2″ 6.5 1.5 3.62 3.31 2.38 3.38 01/04/07 8 0.69 5/8″ 5
Millimeter 165.1 38.1 91.9 84.1 60.5 85.9 6.4 17.5 15.9 127
Inch 2 1/2″ 7.5 1.5 4.12 3.94 2.88 3.5 01/04/07 8 0.81 3/4″ 5.88
Millimeter 190.5 38.1 104.6 100.1 73.2 88.9 6.4 20.6 19.1 149.4
Inch 3″ 8.25 1.5 5 4.62 3.5 3.5 03/08/07 8 0.81 3/4″ 6.62
Millimeter 209.6 38.1 127 117.3 88.9 88.9 9.5 20.6 19.1 168.1
Inch 4″ 10 1.5 6.19 5.75 4.5 3.62 01/02/07 8 0.81 3/4″ 7.88
Millimeter 254 38.1 157.2 146.1 114.3 91.9 12.7 20.6 19.1 200.2
Inch 6″ 12.5 1.5 8.5 8.12 6.63 3.94 01/02/07 12 0.88 3/4″ 10.62
Millimeter 317.5 38.1 215.9 206.2 168.4 100.1 12.7 22.4 19.1 269.7
Inch 8″ 15 1.62 10.62 10.25 8.63 4.38 01/02/07 12 1 7/8″ 13
Millimeter 381 41.1 269.7 260.4 219.2 111.3 12.7 25.4 22.2 330.2
Inch 10″ 17.5 1.88 12.75 12.62 10.75 4.62 01/02/07 16 1.12 1″ 15.25
Millimeter 444.5 47.8 323.9 320.5 273.1 117.3 12.7 28.4 25.4 387.4
Inch 12″ 20.5 2 15 14.75 12.75 5.12 01/02/07 16 1.25 1 1/8″ 17.75
Millimeter 520.7 50.8 381 374.7 323.9 130 12.7 31.8 28.6 450.9
Inch 14″ 23 2.12 16.25 16.75 14 5.62 01/02/07 20 1.25 1 1/8″ 20.25
Millimeter 584.2 53.8 412.8 425.5 355.6 142.7 12.7 31.8 28.6 514.4
Inch 16″ 25.5 2.25 18.5 19 16 5.75 01/02/07 20 1.38 1 1/4″ 22.5
Millimeter 647.7 57.2 469.9 482.6 406.4 146.1 12.7 35.1 31.8 571.5
Inch 18″ 28 2.38 21 21 18 6.25 01/02/07 24 1.38 1 1/4″ 24.75
Millimeter 711.2 60.5 533.4 533.4 457.2 158.8 12.7 35.1 31.8 628.7
Inch 20″ 30.5 2.5 23 23.12 20 6.38 01/02/07 24 1.38 1 1/4″ 27
Millimeter 774.7 63.5 584.2 587.2 508 162.1 12.7 35.1 31.8 685.8
Inch 24″ 36 2.75 27.25 27.62 24 6.62 01/02/07 24 1.62 1 1/2″ 32
Millimeter 914.4 69.9 692.2 701.5 609.6 168.1 12.7 41.1 38.1 812.8

300 Lb Orifice Flange Dimensions


Size in In. Size in Millimeter Outer Diameter Flange Thickness Hub OD Weld Neck OD WN Lengtd RF Dia. RF Height PCD Orifice Hole dia No of Bolts Bolt Size UNC RF Stud Lengtd Hole Size ISO Stud Size Weight in kg
A B C D E F G H I
1 25 125 36.6 54 33.4 81 50.8 2 88.9 6.4 4 5/8 125 3/4 M16 4.5
1 1/2 40 155 36.6 70 48.3 84 73 2 114.3 6.4 4 3/4 135 7/8 M20 6.5
2 50 165 36.6 84 60.3 84 92.1 2 127 6.4 8 5/8 125 3/4 M16 7
2 1/2 65 190 36.6 100 73 87 104.8 2 149.2 6.4 8 3/4 135 7/8 M20 7.5
3 80 210 36.6 117 88.9 87 127 2 168.3 9.5 8 3/4 135 7/8 M20 9.4
4 100 255 36.6 146 114.3 90 157.2 2 200 12.7 8 3/4 135 7/8 M20 13.2
6 150 320 36.6 206 168.3 98 215.9 2 269.9 12.7 12 3/4 135 7/8 M20 14.6
8 200 380 39.7 260 219.1 110 269.9 2 330.2 12.7 12 7/8 145 1 M24 30
10 250 445 46.1 321 273 116 323.8 2 387.3 12.7 16 1 165 1 1/8 M27 41
12 300 520 49.3 375 323.8 129 381 2 450.8 12.7 16 1 1/8 180 1 1/4 M30 62
14 350 585 52.4 425 355.6 141 412.8 2 514.4 12.7 20 1 1/8 185 1 1/4 M30 84
16 400 650 55.6 483 406.4 144 469.9 2 571.5 12.7 20 1 1/4 195 1 3/8 M33 111
18 450 710 58.8 533 457 157 533.4 2 628.6 12.7 24 1 1/4 205 1 3/8 M33 138
20 500 775 62 587 508 160 584.2 2 685.8 12.7 24 1 1/4 215 1 3/8 M33 171
24 600 915 68.3 702 610 167 692.2 2 812.8 12.7 24 1 1/2 240 1 5/8 M39 247

600# Orifice Flange Dimensions


Size in In. Size in Millimeter Outer Diameter Flange Thickness Hub Outer Diameter Weld Neck OD WN Length RF Diameter RF Height PCD Orifice Hole dia No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in Kilogram
A B C D E F G H I
1 25 125 36.6 54 33.5 81 50.8 7 88.9 6.4 4 5/8 125 3/4 M16 5.5
1 1/2 40 155 36.6 70 48.3 84 73 7 114.3 6.4 4 3/4 135 7/8 M20 7.8
2 50 165 36.6 84 60.3 84 92.1 7 127 6.4 8 5/8 125 3/4 M16 8.3
2 1/2 65 190 36.6 100 73 87 104.8 7 149.2 6.4 8 3/4 135 7/8 M20 10.8
3 80 210 36.6 117 88.9 87 127 7 168.3 9.5 8 3/4 135 7/8 M20 12.6
4 100 275 38.1 152 114.3 102 157.2 7 215.9 12.7 8 7/8 150 1 M24 19
6 150 355 47.7 222 168.3 117 215.9 7 292.1 12.7 12 1 180 1 1/8 M27 37
8 200 420 55.6 273 219.1 133 269.9 7 349.2 12.7 12 1 1/8 195 1 1/4 M30 53
10 250 510 63.5 343 273 152 323.8 7 431.8 12.7 16 1 1/4 220 1 3/8 M33 86
12 300 560 66.7 400 323.8 156 381 7 489 12.7 20 1 1/4 230 1 3/8 M33 102
14 350 605 69.9 432 355.6 165 412.8 7 527 12.7 20 1 3/8 240 1 1/2 M36 150
16 400 685 76.2 495 406.4 178 469.9 7 603.2 12.7 20 1 1/2 260 1 5/8 M39 190
18 450 745 82.6 546 457.2 184 533.4 7 654 12.7 20 1 5/8 280 1 3/4 M42 240
20 500 815 88.9 610 508 190 584.2 7 723.9 12.7 24 1 5/8 300 1 3/4 M42 295
24 600 940 101.6 718 609.6 203 692.2 7 838.2 12.7 24 1 7/8 335 2 M48 365

Class 900 Orifice Flange Dimensions


Size in In. Size in Millimeter Outer Diameter Flange Thickness Hub Outer Diameter Weld Neck Outer WN Length RF Diameter RF Height PCD Orifice Hole dia Number of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in Kilogram
A B C D E F G H I
1 25 150 38.1 52 33.5 83 50.8 7 101.6 6.4 4 7/8 150 1 M24 5.4
1 1/2 40 180 38.1 70 48.3 89 73 7 123.8 6.4 4 1 160 1 1/8 M27 7.8
2 50 215 38.1 105 60.3 102 92.1 7 165.1 6.4 8 7/8 150 1 M30 11.5
2 1/2 65 245 41.3 124 73 105 104.8 7 190.5 6.4 8 1 165 1 1/8 M27 15.8
3 80 240 38.1 127 88.9 102 127 7 190.5 9.5 8 7/8 150 1 M24 22
4 100 290 44.5 159 114.3 114 157.2 7 235 12.7 8 1 1/8 180 1 1/4 M30 22
6 150 380 55.6 235 168.3 140 215.9 7 317.5 12.7 12 1 1/8 195 1 1/4 M30 70
8 200 470 63.5 298 219.1 162 269.9 7 393.7 12.7 12 1 3/8 230 1 1/2 M36 119
10 250 545 69.9 368 273 184 323.8 7 469.9 12.7 16 1 3/8 240 1 1/2 M36 204
12 300 610 79.4 419 323.8 200 381 7 533.4 12.7 20 1 3/8 260 1 1/2 M36 303
14 350 640 85.8 451 355.6 213 412.8 7 558.8 12.7 20 1 1/2 280 1 5/8 M39 400
16 400 705 88.9 508 406.4 216 469.9 7 616 12.7 20 1 5/8 290 1 3/4 M42 510
18 450 785 101.9 565 457.2 229 533.4 7 685.8 12.7 20 1 7/8 330 2 M48 738
20 500 855 108 622 508 248 584.2 7 749.3 12.7 20 2 355 2 1/8 M52 932
24 600 1040 139.7 749 609.6 292 692.2 7 901.7 12.7 20 2 1/2 445 2 5/8 M64 1511

1500 Lb Orifice Flange Dimensions


Size in In. Size in Millimeter Outer Diameter Flange Thickness Hub Outer Diameter Weld Neck Outer Diameter WN Length RF Diameter RF Height PCD Orifice Hole dia Number of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in Kilogram
A B C D E F G H I
1 25 150 38.1 52 33.5 83 50.8 7 101.6 6.4 4 7/8 150 1 M24 5.4
1 1/2 40 180 38.1 70 48.3 89 73 7 123.8 6.4 4 1 160 1 1/8 M27 7.8
2 50 215 38.1 105 60.3 102 92.1 7 165.1 6.4 8 7/8 150 1 M24 11.5
2 1/2 65 245 41.3 124 73 105 104.8 7 190.5 6.4 8 1 165 1 1/8 M27 15.8
3 80 265 47.7 133 88.9 117 127 7 203.2 9.5 8 1 1/8 185 1 1/4 M30 22
4 100 310 54 162 114.3 124 157.2 7 241.3 12.7 8 1 1/4 205 1 3/8 M33 22
6 150 395 82.6 229 168.3 171 215.9 7 317.5 12.7 12 1 3/8 265 1 1/2 M36 70
8 200 485 92.1 292 219.1 213 269.9 7 393.7 12.7 12 1 5/8 300 1 3/4 M42 119
10 250 585 108 368 273 254 323.8 7 482.6 12.7 12 1 7/8 345 1 M48 204
12 300 675 123.9 451 323.8 283 381 7 571.5 12.7 16 2 380 2 1/8 M52 303
14 350 750 133.4 495 355.6 298 412.8 7 635 12.7 16 2 1/4 415 2 3/8 M56 400
16 400 825 146.1 552 406.4 311 469.9 7 704.8 12.7 16 2 1/2 450 2 5/8 M64 510
18 450 915 162 597 457.2 327 533.4 7 774.7 12.7 16 2 3/4 500 2 7/8 M72 738
20 500 985 177.8 641 508 356 584.2 7 831.8 12.7 16 3 545 3 1/8 M76 932
24 600 1170 203.2 762 609.6 406 692.2 7 990.6 12.7 16 3 1/2 620 3 5/8 M90 1511

Raised Face Orifice Flange 2500# Dimensions


Size in In. Size in Millimeter Outer Diameter Flange Thickness Hub OD Weld Neck OD WN Length RF Diameter RF Height PCD Orifice Hole dia Number of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in Kilogram
A B C D E F G H I
1 25 160 38.1 57 33.5 92 50.8 7 108 6.4 4 7/8 150 1 M24 6.5
1 1/2 40 205 44.5 79 48.3 111 73 7 146 6.4 4 1 1/8 180 1 1/4 M30 13
2 50 235 50.8 95 60.3 127 92.1 7 171.4 6.4 8 1 185 1 1/8 M27 19
2 1/2 65 265 57.2 114 73 143 104.8 7 196.8 6.4 8 1 1/8 205 1 1/4 M30 24
3 80 305 66.7 133 88.9 168 127 7 228.6 9.5 8 1 1/4 230 1 3/8 M33 43
4 100 355 76.2 165 114.3 190 157.2 7 273 12.7 8 1 1/2 260 1 5/8 M39 66
6 150 485 108 235 168.3 273 215.9 7 368.3 12.7 8 2 350 2 1/8 M52 172
8 200 550 127 305 219.1 318 269.9 7 438.2 12.7 12 2 385 2 1/8 M52 261
10 250 675 165.1 375 273 419 323.8 7 539.8 12.7 12 2 1/2 490 2 5/8 M64 485
12 300 760 184.2 441 323.8 464 381 7 619.1 12.7 12 2 3/4 540 2 7/8 M72 730

Weld Neck Orifice Flange Weight Chart


Weld Neck Orifice Flange Weight Chart


Slip On Orifice Flange Pressure Ratings


ASME B16.36 Orifice Flange Weights by Pressure Class and Size
NPS 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 Class 1500 Weight 5 4 4 7 7 7
3/4" 2 2 2 3 3 3 4 3 3 Class 1500 Weight 6 5 6 8 8 8
1" 3 2 2 4 3 3 4 4 4 Class 1500 Weight 9 8 8 12 11 11
1 1/2" 4 3 3 7 6 6 8 7 8 Class 1500 Weight 13 12 13 25 22 23
2" 6 5 5 9 7 8 12 9 10 Class 1500 Weight 25 25 25 42 37 39
2 1/2" 8 7 7 12 10 12 18 13 15 Class 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