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  4. Stainless Steel Orifice Flange

Stainless Steel Orifice Flange

Nom: Orifice Flange

Mides: 1/2" (15 NB) a 48" (1200NB)

Material Types: Carbon, Alloy and Stainless Steel ,Dúplex & Super Duplex

Classe：Classe 150, Classe 300, Classe 400, Classe 600, Classe 900, Class1500, Classe 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.

Face Type:Raised face (RF) And Ring type joint (RTJ)

Equipment:Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc

Aplicació:Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.

Número de model:

Alce: Wenzhou,Zhejiang

Estàndard:ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DE, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092

Brand:

Technics: Forged, Heat treated and machined

paquet: Paquet d'exportació estàndard

Preu: Negotiable

Lliurament: Quantitat d'acord

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  • Detall del producte

Stainless steel orifice flanges are a type of flange that is used to measure the flow of fluid through pipelines. They are used in industrial applications where precise flow control and measurement is important. The orifice flange consists of a flange with a concentric hole, or orifice, that is drilled through the center. The orifice is designed to create a pressure drop in the fluid flow, which can be measured to determine the flow rate of the fluid. The flange itself is made of stainless steel, which makes it resistant to corrosion and highly durable.

Stainless steel orifice flanges are typically used in oil and gas, chemical processing, and petrochemical industries, where they are used to measure flow rates in pipelines carrying fluids such as crude oil, natural gas, and hydrogen. They are also used in water treatment facilities to measure the flow rate of water and other fluids.

The advantages of using stainless steel orifice flanges include their resistance to corrosion and their durability. Stainless steel is also an excellent choice for food and beverage processing industries, as it is easy to clean and does not impart any taste or odor to the fluids flowing through the pipeline.

En resum, stainless steel orifice flanges are an important type of flange used for flow control and measurement in industrial applications, offering high durability, corrosion resistance, and ease of cleaning.

Table of Content：

  1. Orifice Flange Specifications
  2. Orifice Flanges Types
  3. Advantages of Orifice Flanges
  4. Application of Orifice Flange
  5. Orifice Flanges Materials and Grades
  6. Orifice Flange Dimensions
  7. ASME B16 36 Pressure Rating
  8. Orifice Flange Price List

Orifice Flange Specifications

Orifice Flange Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DE, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
ASME B16.5 Orifice Flange Size Chart 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Orifice Flange Pressure Rating ANSI Classe 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Orifice Flange
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Orifice Flange
EN 6Bar 10Bar 16Bar 25Bar 40Bar Orifice Flange
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Most common types of Orifice Flange Forged / Threaded / Screwed / Placa
Connect Type/ Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Production technique · Forged, Heat treated and machined
Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Orifice Flange Uses & application · Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.

Orifice Flanges Types

There are several different types of orifice flanges available on the market today, each designed for specific applications and purposes. The most common type is a lap joint flange which consists of two pieces that fit together via bolts or screws. Another popular type is a threaded or socket-welded flange which connects pipes together with screws instead of bolts. Finally, there is also a blind flange that covers openings in pipes without actually connecting them together.

Advantages of Orifice Flanges

  • The Orifice is small plates and easy to install/remove.
  • Offer very little pressure drop from which 60% a 65% is recovered.
  • The orifice meter can be easily maintained.
  • Measures a wide range of flows.
  • They have a simple construction.
  • They have easily fitted between the flanges.
  • They are the most suitable for most gases and liquids.
  • They are cheap, The price does not increase dramatically with size.

Application of Orifice Flange

  • ANSI B16.5 Class 150 Orifice Flange uses in Industrial Boilers Industry
  • ASTM A182 Stainless Steel Orifice Flange uses in Power Plants Industry
  • ASME B16.47 Series A and B Orifice Flange uses in Nuclear Plants Industry
  • Stainless Steel Orifice Flange uses in Oil & Gas Industry
  • Super Duplex Steel Orifice Flange uses in Refineries Industry
  • Industrial Orifice Flange uses in Ship Building Industry
  • Super Duplex Steel Orifice Flange Forged Flanges uses in Heat Exchanger Industry
  • Carbon Steel Industrial Orifice Flange uses in Condensers Industry
  • Alloy Steel Industrial Orifice Flange uses in Paper & Pulp Industry
  • Duplex Steel Industrial Orifice Flange uses in Marine Applications
  • Stainless Steel Industrial Orifice Flange uses in Nuclear Power Industry
  • Industrial Orifice Flange / Fittings System uses in Fossil Fuel Power Plants Industry

Orifice Flanges Materials and Grades

Stainless Steel Orifice Flange
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316De, 310, 310S, 321, 321H, 317, 347, 347H,904L
Carbon Steel Orifice Flange
ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52
Low Temperature Orifice Flange
ASTM A350 LF2, LF3, LF6
Alloy Steel Orifice Flange
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Dúplex & Super Duplex Steel Orifice Flange
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Nickel Alloy Orifice Flange
EUA 10276 (HASTELLOY C 276), EUA 6625 (INCONEL 625), EUA 6601 (INCONEL 601), EUA 6600 (INCONEL 600), EUA 8825 (INCONEL 825), EUA 8020 (ALIATGE 20 / 20 CB 3), EUA 4400 (MONEL 400), EUA 2201 (NÍQUEL 201), ASTM / ASME SB 336 EUA 2200 (NÍQUEL 200)
High Yield Orifice Flanges
ASTM A694 F42, F52, F60, F65, F70

Orifice Flange Dimensions

 

Stainless Steel Orifice Flange Dimension Drawing

Stainless Steel Orifice Flange Dimension Drawing

Classe 300 Orifice Flange Dimensions (Weld Neck Raised Face)

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia No of Bolts Bolt Size UNC RF Stud Length 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

Classe 600 Orifice Flange

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
    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

Classe 900 Orifice Flange

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
    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

Classe 1500 Orifice Flange

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
    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

Classe 2500 Orifice Flange

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Weld Neck OD Welding Neck Length RF Dia. RF Height PCD Orifice Hole dia No of Bolts Bolt Size UNC RF Stud Length Hole Size ISO Stud Size Weight in kg
    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

ASME B16 36 Pressure Rating

ASME B16.36 Pressure Pressure
Temperature (°C) Classe
Classe 150 Classe 300 Classe 400 Classe 600 Classe 900 Classe 1500 Classe 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

Orifice Flange Price List

Orifice Flange type Orifice Flange Price in USD
Stainless Steel Orifice Flange USD $ 16.92 /Kg
Carbon steel Orifice Flange USD $ 15.13 /Kg
Alloy steel Orifice Flange USD $10.23 /Kg
ANSI b16 5 Orifice Flange USD $ 30.11 /Kg
ASME b16.47 Orifice Flange USD $ 22.98 /Kg

 

 

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