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sales@yayeindustrial.com

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yayeindustrial

Flanges Manufacturer in China

Home|Flanges

Trusted Supplier of Forged Steel Flanges in China, As Per ASTM A182

Flanges Manufacturer in China

Table of Content

Flanges-table

Refer Industrial Pipe Flanges & Steel Flanges Specification and Manufacturing Standard

Flanges Specification

Flange Sizes

Forged Steel Flanges Sizes

  • PN 2.5 – PN 400
  • NPS: ½” to 48″
  • 15NB – 1500NB
Flange Standards

Industrial Pipe Flanges Standards

  • ASME B16.5
  • ASME B16.47
  • ASME B16.48
  • ASME B16.36
Flange Schedule

Steel Flanges Schedule

  • SCH 160/ 180
  • SCH 120/ 140
  • SCH 60/ 80/ 100
  • SCH 10/ 20/ 40
Pressure Types

Split Flange Pressure Types

  • Class 125, 150
  • Class 600, 900
  • Class 300, 400
Features

Compact Flanges Features

  • Higher Strength
  • Durable
  • Smoothness
Testing Methods

ASME B16.5 Flange Testing Methods

  • Hardness test
  • Tensile Test
  • PHydrostatic Test
  • Ultrasonic test
Certificates

Certificates of AANSI B16.5 Class 150 Forged Flanges

  • 100% Radiography Test
  • MTC BS EN 10204 3.1/ 3.2
  • NACE MR0175
  • Third Party Inspection
Density & Temperature

Closet Flange Density & Temperature

  • Melting Point : -40°F to 800°F
  • Density : 6.9 - 8.90 g/cm3

Flanges Process

NPT Flanges Process

  • Forging
  • Rolling
  • Cutting
  • Casting
Flange Threads

ISO Flange Threads

  • NPT, MNPT
  • BSPT
  • BSPP
  • FNPT
Origin

ASME B16.5 Flange Origin

  • China
  • Qatar
  • Indian
  • European
Disadvantages

Disadvantages of ASME B16.5 Socket Weld Flange

  • Complex Installations
  • Costs
  • Limited Adaptabilities
Advantages

Industrial Pipe Flanges Advantages

  • Easy Maintainance
  • Versatile
  • Flexible
  • Corrosion Resistant

flange Face

Forged Flange Face

  • RF
  • FF
  • RTJ
  • T&G


Types of Flanges


Flanges Supplier in China Provide Multiple Ranges Of flanges types For customer needs

B16.5 Blind Flange

B16.5 Blind Flange

ASME B16.5 Weld Neck Flange

ASME B16.5 Weld Neck Flange

ANSI B16.5 Socket Weld Flange

ANSI B16.5 Socket Weld Flange

ANSI B16.5 Class 150 Threaded Flange

ANSI B16.5 Class 150 Threaded Flange

B16.5 Slip On Flange

B16.5 Slip On Flange

ASME B16.5 Reducing Flange

ASME B16.5 Reducing Flange

ANSI B16.5 Class 150 Plate Flanges

ANSI B16.5 Class 150 Plate Flanges

B16.5 Lap Joint Flange

B16.5 Lap Joint Flange

ANSI B16.5 Industrial Pipe Flanges

ANSI B16.5 Industrial Pipe Flanges


Size Chart Of Forged Steel Flanges

Flanges Manufacturer In China Offers Wide Ranges Of sizes of Flanges

Temp.°F 1500 600 2500 900
300 3610 1445 6015 2165
200 3750 1500 6250 2250
-20~100 3750 1500 6250 2250
400 3465 1385 5775 2080
600 3025 1210 5040 1815
500 3325 1330 5540 1995
650 2940 1175 4905 1765
750 2660 1065 4430 1595
700 2840 1135 4730 1705
850 2435 975 4060 1460
800 2540 1015 4230 1525
900 2245 900 3745 1350
1000 1080 430 1800 650
950 1595 640 2655 955
1050 720 290 1200 430
1150 325 130 545 195
1100 480 190 800 290
1200 205 80 345 125

Weight Chart of B16.5 Pipe Flanges

Pressure Classes NPS Slip On  Threaded Socket Weld  Weld Neck  Lap Joint  Blind 
150 18 130 130 130 165 160 220
6 19 19 19 26 19 27
22 185 185 185 225 245 355
10 43 43 43 54 43 70
14 90 90 90 114 105 140
24 220 220 220 268 275 430
2½  8 8 8 10 8 7
2 5 5 5 6 5 5
3½  11 12 11 12 11 13
3 9 9 9 11.5 9 9
  ½  1 1 2 2 1 2
1 2 2 2 3 2 2
¾ 2 2 2 2 2 2
16 106 98 98 140 140 180
12 64 64 64 88 64 123
5 15 15 15 21 15 20
1½  3 3 3 4 3 4
20 165 165 165 197 195 285
1¼ 3 3 3 3 3 3
8 30 30 30 42 30 47
4 13 13 13 16.5 13 17

Dimension Table Of Slip on Flanges

NPS Min. thick OD No and Sizes of Holes Overall Len OD of raised face Bolt Circle
Weld neck Slip-on & socket Lap Joint
Q O Number Dia Y R Dia
1-1/2 20.7 156 4 22 68.3 30.2 30.2 73 114.5
1 17.5 124 4 19 61.9 27.0 27.0 51 89.0
3 28.6 210 8 22 79.4 42.9 42.9 127 168.0
1-1/4 19.1 133 4 19 65.1 27.0 27.0 64 98.5
3/4 15.9 117 4 19 57.2 25.4 25.4 43 82.4
1/2 14.3 95 4 15 52.4 22.2 22.2 35 666.5
2 22.3 165 8 19 69.8 33.3 33.3 92 127.0
5 35.0 279 8 22 98.4 50.8 50.8 186 235.0
2-1/2 25.4 190 8 22 76.2 38.1 38.1 105 149.0
6 36.6 313 12 22 98.4 52.4 52.4 216 270.0
10 47.7 444 16 29 117.5 66.7 95.3 324 387.5
4 318 254 8 22 85.7 47.6 47.6 157 200.0

Pipe Flanges Pressure Ratings Chart

Temp ( F°) 150 300 1500 900 600 400 2500
400 200 635 3170 1900 1265 845 5280
100 285 740 3705 2220 1480 985 6170
650 125 550 2745 1650 1100 730 4575
200 260 680 3395 2035 1360 905 5655
300 230 655 3270 1965 1310 870 5450
500 170 605 3015 1810 1205 805 5025
700 110 530 2655 1590 1060 710 4425
600 140 570 2840 1705 1135 755 4730
800 80 410 2055 1235 825 550 3430
750 95 505 2535 1520 1015 675 4230
900 50 230 1150 690 460 305 1915
950 35 135 685 410 275 185 1145
1000 20 85 430 255 170 115 715
850 65 320 1595 955 640 425 2655

Wall Thickness Tolerance of Flange

Thick. (mm/ inch) Tolerances ( mm)
25 mm < tf ≤ 50 mm +5.0 mm, -0.0 mm
tf ≤ 25 mm +3.0 mm, -0.0 mm
tf > 75 mm +10.0 mm, -0.0 mm
50 mm < tf ≤ 75 mm +8.0 mm, -0.0 mm

ASME B16.5 Flanges Applications

ASME B16.5 Flanges Applications

Applications

  • Oil and Gas Industry
  • Food Industry
  • Water and Wastewater Treatment
  • Construction
  • Power Plants
  • Chemical Processing
  • Medical Equipment
  • Petrochemical




Forged Pipe Flanges HSN Code

Material HSN Code
Carbon Steel 7307.91/ 7307.99
Copper Nickel 74112200
Stainless Steel 7307.21 / 7307.29
Titanium 8108
Inconel Alloy 7307.91/ 7307.99
Alloy Steel 72052100

Comparison Between Cast, Forged And Plate Method Of Pipe Flanges

Element Plate Forged Casting
Strength Good Best Better
Price Best Good Better
Tolerances Better Good Best
Sizes Good Better Best
Pressure Capacity Good Best Better
Limiting Material Waste Good Best Better
Material & Grade Good Better Best

B16.5 Flanges Manufacturing Process

B16.5 Flanges Manufacturing Process

Manufacturing Process

  • Raw Material Selection
  • Inspection Of Material
  • Cutting Material
  • Heat Treatment
  • Final Inspection OF Flange
  • Coating For Rust Preventions



ASME B16.5 Flanges Gasket Types

  • Metallic
  • Non-metallic
  • Semi-metallic

What Sizes Of flanges Does Yaye Industrial Offer?

  • NPS: ½” to 48″
  • PN 2.5 – PN 400
  • 15NB – 1500NB

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