ANSI B16.5 Plate Flanges

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The ANSI B16.5 Plate Flange is a widely used standard across various industries. Typically made from stainless steel, these flanges are essential for connecting different pipes and are frequently used in shipbuilding projects. They also find applications in industries like chemical processing, pharmaceuticals, and sewage treatment.

Key Features of ANSI B16.5 Plate Flanges

ANSI B16.5 Plate Flanges come in various sizes and pressure ratings, and can be made from carbon steel or alloy steel, depending on the application. They are suitable for both high and medium-temperature environments.

ASME B16.47 Series A and B Plate Flanges, as well as ANSI B16.5 Plate Flanges, come in sizes ranging from 1/2 inch to 48 inches. They are used for pipes with small diameters but large bores. These flanges can be pressed or threaded, and they are suitable for both high and low-pressure situations.

Kaizen Steel Industries is known for manufacturing, supplying, and exporting ANSI B16.5 Plate Flanges and ASME B16.5 Flanges. Our products reflect ongoing innovation and high quality. We adapt our production based on current trends to provide the best possible solutions for our customers. Our ANSI Plate Flanges, made in compliance with global standards, are free from cracks and defects, ensuring long-lasting performance. 

A Plate Flange is a flange made from a flat metal piece, usually steel or stainless steel. It has a raised face on one side and a recessed area on the other, which makes it

Advantages of Plate Flanges

Plate flanges offer several benefits, including:

  • Ease of Manufacture: They can be easily produced by cutting and shaping a flat plate.
  • Cost-Effectiveness: Plate flanges are more affordable compared to other types, offering a budget-friendly option.

Customizability: They can be customized for different pressure ratings and sizes.

Uses of Plate Flanges

Plate flanges are used in various applications, including:

  • Piping Systems: They are commonly used to connect pipes and other fittings.
  • Industrial Settings: Plate flanges are employed in oil and gas, chemical, and power plants.

High-pressure and High-temperature Environments: Their strength and durability make them suitable for demanding conditions.

Specification For Plate Flanges

Category Details
Dimensions ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size 1/2″ (15 NB) to 48″ (1200 NB)
Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6, 10, 16, 25, 40, etc.
DIN Standards DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
BS Standards BS4504, BS1560, BS10
Flange Face Type Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Material & Grades of Plate Flanges

Category Standards/Grades
Stainless Steel Plate Flanges ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Duplex & Super Duplex Steel Plate Flanges ASTM / ASME A/SA 182 F 44, F 45, F 51, F 53, F 55, F 60, F 61
Carbon Steel Plate Flanges ASTM / ASME A/SA 105, ASTM / ASME A 350, ASTM A 181 LF 2 / A516 Gr.70, A36, A694 F42, F46, F52, F60, F65, F706
Low Temperature Carbon Steel Plate Flanges ASTM A350, LF2, LF3
Alloy Steel Plate Flanges ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Copper Alloy Steel Plate Flanges ASTM SB 61, SB62, SB151, SB152, UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200
Nickel Alloy Plate Flanges ASTM SB564, SB160, SB472, SB162, Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020)

Plate Weight Chart

Nominal Pipe Size Diameter of Pipe Flange Dimension Nuts & Bolts Approx. Flange Weight
Flange I.D Flange Dia Thk of Flange Dia of Bolt Circle No. of Holes Dia of Bolt Holes
DN ISO DIN d5 D b k d2 KG /PCS
10 – 14 14.5 90 14 60 4 14 0.61
17.2 – 17.7 90 14 60 4 14 0.6
15 – 20 21 95 14 65 4 14 0.67
21.3 – 22 95 14 65 4 14 0.67
20 – 25 26 105 16 75 4 14 0.94
26.9 – 27.6 105 16 75 4 14 0.94
25 – 30 31 115 16 85 4 14 1.13
33.7 – 34.4 115 16 85 4 14 1.11
32 – 38 39 140 16 100 4 18 1.66
42.4 – 43.1 140 16 100 4 18 1.62
40 – 44.5 45.5 150 16 110 4 18 1.89
48.3 – 49 150 16 110 4 18 1.85
50 – 57 58.1 165 18 125 4 18 2.5
60.3 – 61.1 165 18 125 4 18 2.46
65 76.1 – 77.1 185 18 145 4 18 2.99
80 88.9 – 90.3 200 20 160 8 18 3.61
100 – 108 109.6 220 20 180 8 18 4.17
114.3 – 115.9 220 20 180 8 18 3.99
125 – 133 134.8 250 22 210 8 18 5.66
139.7 – 141.6 250 22 210 8 18 5.41
150 – 159 161.1 285 22 240 8 22 6.97
168.3 – 170.5 285 22 240 8 22 6.55
175 193.7 – 196.1 315 24 270 8 22 8.42
200 219.1 – 221.8 340 24 295 8 22 9.28
250 – 267 270.2 395 26 350 12 22 12.36
273 – 276.2 395 26 350 12 22 11.85
300 323.9 – 327.6 445 26 400 12 22 13.61
350 355.6 – 359.7 505 28 460 16 22 20.35
– 368 372.2 505 28 460 16 22 18.77
400 406.4 – 411 565 32 515 18 26 27.52
– 419 423.7 565 32 515 18 26 35.43
450 457 – 462.3 615 38 565 20 26 35.11
500 508 – 613.6 670 38 620 20 26 40.2
600 610 – 615.5 780 40 725 20 26 51.87

ANSI B16.5 Plate Flanges Pressure Ratings

Temperature (F°)150#300#400#600#900#1500#2500#
-20 to 1002857409851480222037056170
2002606809051360203533955655
3002306558701310196532705450
4002006358451265190031705280
5001706058051205181030155025
6001405707551135170528404730
6501255507301100165027454575
7001105307101060159026554425
750955056751015152025354230
80080410550825123520553430
8506532042564095515952655
9005023030546069011501915
950351351852754106851145
10002085115170255430715

Plate Flange Weight

Nominal Pipe Size Diameter of Pipe Flange Dimension Nuts & Bolts Approx. Flange Weight
Flange I.D Flange Dia Thk of Flange Dia of Bolt Circle No. of Holes Dia of Bolt Holes
DN ISO  DIN  d5  D  b  k  d2  KG /PCS
10 –  14 14.5 90 14 60 4 14 0.61
17.2 –  17.7 90 14 60 4 14 0.6
15 –  20 21 95 14 65 4 14 0.67
21.3 –  22 95 14 65 4 14 0.67
20 –  25 26 105 16 75 4 14 0.94
26.9 –  27.6 105 16 75 4 14 0.94
25 –  30 31 115 16 85 4 14 1.13
33.7 –  34.4 115 16 85 4 14 1.11
32 –  38 39 140 16 100 4 18 1.66
42.4 –  43.1 140 16 100 4 18 1.62
40 –  44.5 45.5 150 16 110 4 18 1.89
48.3 –  49 150 16 110 4 18 1.85
50 –  57 58.1 165 18 125 4 18 2.5
60.3 –  61.1 165 18 125 4 18 2.46
65 76.1 –  77.1 185 18 145 4 18 2.99
80 88.9 –  90.3 200 20 160 8 18 3.61
100 –  108 109.6 220 20 180 8 18 4.17
114.3 –  115.9 220 20 180 8 18 3.99
125 –  133 134.8 250 22 210 8 18 5.66
139.7 –  141.6 250 22 210 8 18 5.41
150 –  159 161.1 285 22 240 8 22 6.97
168.3 –  170.5 285 22 240 8 22 6.55
175 193.7 –  196.1 315 24 270 8 22 8.42
200 219.1 –  221.8 340 24 295 8 22 9.28
250 –  267 270.2 395 26 350 12 22 12.36
273 –  276.2 395 26 350 12 22 11.85
300 323.9 –  327.6 445 26 400 12 22 13.61
350 355.6 –  359.7 505 28 460 16 22 20.35
–  368 372.2 505 28 460 16 22 18.77
400 406.4 –  411 565 32 515 18 26 27.52
–  419 423.7 565 32 515 18 26 35.43
450 457 –  462.3 615 38 565 20 26 35.11
500 508 –  613.6 670 38 620 20 26 40.2
600 610 –  615.5 780 40 725 20 26 51.87

ANSI B16.5 Plate Flanges: Applications

ASME B16.5 Plate Flanges are designed for exceptional performance and are developed to meet industry demands. Available through a global network of stock-keeping branches, these flanges serve a wide range of applications across various sectors:

  • Oil and Gas Pipelines: Stainless Steel Plate Flanges are commonly used to connect pipes in oil and gas pipelines, providing reliable performance.
  • Chemical Industry: Plate Flanges are essential in the chemical industry for connecting and securing pipes handling various chemicals.
  • Plumbing: Alloy Steel Plate Flanges are used in plumbing systems to ensure secure and leak-proof connections.
  • Heating Systems: Flat Faced Plate Flanges are utilized in heating applications, offering a stable and effective connection.
  • Water Supply Systems: Plate Pipe Flanges are used to manage water flow in supply systems, ensuring efficiency and durability.
  • Power Plants: ANSI B16.5 Plate Flanges are employed in power plants for robust and reliable pipe connections.
  • Paper and Pulp Industry: Plate Plate Flanges are used in the paper and pulp industry for various processing needs.
  • General Purpose Applications: Plate Flanges are versatile and used in a range of general-purpose applications.
  • Fabrication Industry: Steel Plate Flanges are crucial in the fabrication industry, providing strong connections in custom-built systems.
  • Food Processing Industry: Plate Flanges are used in food processing to ensure sanitary and secure connections in production lines.
  • Structural Pipe: Plate Flanges play a role in structural pipe applications, supporting various construction needs.

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