Check BS4504 PN16 Flange dimensions and weight, Refer Price list of BS4504 PN10 Flange

BS4504 Flange

What is BS4504 Flange?
The BS4504 flange is a British standard circular flange. The flanges are designed in sizes 15 NB to 1200 NB or DN 10 to DN5000. These flanges have excellent corrosion resistance properties and can be easily threaded or welded. The BS4504 flanges are designed in standard flanges of class 150 lbs to class 2500 lbs. They are available in raised, flat, and ring-type joint faces. These flanges can be forged, heat-treated, and machined in the system.

BS4504 PN16 vs BS4504 PN25
The BS4504 PN16 and BS4504 PN25 are pressure classes of respective flanges. Both these flange types can be differentiated on key features.

  • The BS4504 PN16 is designed to work in pressurized grades up to 16 bar. A BS4504 PN25 grade works well in pressurized grade up to 25 bar. 
  • The BS4504 PN25 grade has slightly higher pressure-holding capacity compared to the PN 16 grade.

Difference between BS4504 PN10, PN40 and PN64
PN 10, 40, and 64 are the three pressure classes that are seen in different conditions. A BS4504 PN10 grade is designed to work in a pressure class of 10 bar, while the PN 40 grade works well in a pressure class up to 40 bar. The PN 64 grade works at slightly higher pressures and can withhold a pressure class up to 64 bar.

What is the difference between British Standard BS4504 and ASTM?
The BS4504 is designed in the British standard that covers products of tubes, pipes, and other equipment suited to meet these standards. The ASTM or American Society for Testing and Materials are manufactured from American standards of products of pipes and equipment of these standards.

BS4504 PN64 Flange Material and BS4504 PN25 Pipe Flange supplier in India offer Hydrostatic (Hydro) Testing & MTR reports

BS 4504 Flange Specification

Standard BS 4504
Type Threaded flanges, Weld Neck Flanges, Slip On Flanges, Blind Flanges, Plate Flanges
Pressure Grade PN10, PN25, PN6, PN16, PN40
Size DN15 up to DN2000
Process Stamped and Forged

Price List of BS4504 Forged Flanges

Description Price Per Kg In Singapore Price Per Kg In UAE Price Per Kg In USD Price Per Kg In Malaysia
150 PIPE FITTINGS SLIPON FLANGE STD TO BS 4504 PLATE CODE 101 SGD 29.11 UAE Dirham 76.00 US $21.02 MYR 92.17
3NB SS FLANGE - 304 GRADE SILIPON BS 4504 TABLE E SGD 18.97 UAE Dirham 49.54 US $13.70 MYR 60.08
250 X 90 D.I. PIPE FITTINGS DOUBLE FLANGED BEND BS 4504 SGD 159.75 UAE Dirham 417.13 US $115.38 MYR 505.88
300 X 150 PIPE FITTINGS DS FLANGED BRANCH TEE BS4504 SGD 246.46 UAE Dirham 643.52 US $178.00 MYR 780.44
400 X 250 PIPE FITTINGS DS FLANGED BRANCH TEE BS4504 SGD 417.29 UAE Dirham 1,089.60 US $301.38 MYR 1,321.43

BS 4504 Material Types

BS 4504 Mild Steel Flanges

BS 4504 Mild Steel Flanges

BS 4504 Brass Flanges

BS 4504 Brass Flanges

BS 4504 Nickel Alloy Flanges

BS 4504 Nickel Alloy Flanges

BS 4504 Alloy Steel Flanges

BS 4504 Alloy Steel Flanges

BS 4504 Copper Flanges

BS 4504 Copper Flanges

BS 4504 Titanium Flanges

BS 4504 Titanium Flanges

BS 4504 Stainless Steel Flanges

BS 4504 Stainless Steel Flanges

BS 4504 Carbon steel Flanges

BS 4504 Carbon steel Flanges

BS 4504 Aluminium Flanges

BS 4504 Aluminium Flanges

Dimensions of BS4504 PN2.5 Flanges

Dimensions of BS4504 PN2.5 Flanges
Raised Face Nom. Size Neck Flange Bolting Drilling Bore Diameter
G X DN E M T F R C1 A D1 C C2
I No. J B
35 2 10 6 26 1.8 17.2 3 12 75 28 12 12 M10 11 4 50 18.0
40 2 15 6 30 2.0 21.3 3 12 80 30 12 12 M10 11 4 55 22.0
50 2 20 6 38 2.3 26.9 4 14 90 32 14 14 M10 11 4 65 27.5
60 2 25 6 42 2.6 33.7 4 14 100 35 14 14 M10 11 4 75 34.5
70 2 32 6 55 2.6 42.4 5 16 120 35 14 14 M12 14 4 90 43.5
80 3 40 7 62 2.6 48.3 5 16 130 38 14 14 M12 14 4 100 49.5
90 3 50 8 74 2.9 60.3 5 16 140 38 14 14 M12 14 4 110 61.5
110 3 65 9 88 2.9 76.1 6 16 160 38 14 14 M12 14 4 130 77.5
128 3 80 10 102 3.2 88.9 6 18 190 42 16 16 M16 18 4 150 90.5
148 3 100 10 130 3.6 114.3 6 18 210 45 16 16 M16 18 4 170 116.0
178 3 125 10 155 4.0 139.7 6 20 240 48 18 18 M16 18 8 200 141.5
202 3 150 12 184 4.5 168.3 8 20 265 48 18 18 M16 18 8 225 170.5
258 3 200 15 236 5.6 219.1 8 22 320 55 20 20 M16 18 8 280 221.5
312 3 250 15 290 6.3 273.0 10 24 375 60 22 22 M16 18 12 335 276.5
365 4 300 15 342 7.1 323.9 10 24 440 62 22 22 M20 22 12 395 327.6
415 4 350 15 385 7.1 355.6 10 26 490 62 22 22 M20 22 12 445 359.0
465 4 400 15 438 7.1 406.4 10 28 540 65 22 22 M20 22 16 495 411.0

Stainless Steel BS4504 PN25 Flanges Dimensions

Stainless Steel BS4504 PN25 Flanges Dimensions
Raised Face Nom. Size Flange Drilling Boss Bolting   Bore Diameter Neck
G X DN C A C2 C1 D1 D I No. J N F B M R E T
40 2 10 16 90 16 14 35 22 14 4 60 30 M12 17.2 18.0 28 3 6 1.8
45 2 15 16 95 16 14 38 22 14 4 65 35 M12 21.3 22.0 32 3 6 2.0
58 2 20 18 105 18 16 40 26 14 4 75 45 M12 26.9 27.5 40 4 6 2.3
68 2 25 18 115 18 16 40 28 14 4 85 52 M12 33.7 34.5 46 4 6 2.6
78 2 32 18 140 18 18 42 30 18 4 100 60 M16 42.4 43.5 56 5 6 2.6
88 3 40 18 150 18 18 45 32 18 4 110 70 M16 48.3 49.5 64 5 7 2.6
102 3 50 20 165 20 20 48 34 18 4 125 84 M16 60.3 61.5 74 5 8 2.9
122 3 65 22 185 22 22 52 38 18 8 145 104 M16 76.1 77.5 92 6 10 2.9
138 3 80 24 200 24 24 58 40 18 8 160 118 M16 88.9 90.5 110 6 12 3.2
162 3 100 24 235 24 26 65 44 22 8 190 145 M20 114.3 116.0 134 6 12 3.6
188 3 125 26 270 26 28 68 48 26 8 220 170 M24 139.7 141.5 162 6 12 4.0
218 3 150 28 300 28 30 75 52 26 8 250 200 M24 168.3 170.5 190 8 12 4.5
278 3 200 30 360 30 32 80 52 26 12 310 256 M24 219.1 221.5 244 8 16 6.3
335 3 250 32 425 32 35 88 60 30 12 370 310 M27 273.0 276.5 296 10 18 7.1
395 4 300 34 485 34 38 92 67 30 16 430 364 M27 323.9 327.5 350 10 18 8.0
450 4 350 38 555 38 42 100 72 33 16 490 418 M30 355.6 359.5 398 10 20 8.0
505 4 400 40 620 40 46 110 78 36 16 550 472 M33 406.4 411.0 452 10 20 8.8

Check Surface Finish of BS4504 PN10 material Material for selection of gaskets

Carbon Steel BS 4504 Flange Pressure Ratings

500°F 0°F to 450°F 600°F 800°F 850°F Max Hydraulic 700°F 900°F
FLANGE TABLE 260°C -18°C to 230°C 315°C 425°C 450°C Test Pressure 370°C 480°C
D 95 100 80 50 150 65
E 185 200 155 100 300 130
F 280 300 235 150 450 195
H 465 500 395 250 180 750 320 115
J 650 700 550 350 255 1050 450 160
K 835 900 705 450 325 1350 580 205
R 1115 1200 945 600 435 1800 770 275
S 1670 1800 1415 900 655 2700 1155 415
T 2600 2800 2200 1400 1025 4200 1800 645

Dimensions of BS4504 PN6 Flanges

Dimensions of BS4504 PN6 Flanges
Flange Nom. Size Raised Face Neck Boss Bolting Drilling Bore Diameter
C2 A C D1 C1 D DN X G M T E R F N
No. I J B
12 75 12 28 12 20 10 2 35 26 1.8 6 3 17.2 25 M10 4 11 50 18.0
12 80 12 30 12 20 15 2 40 30 2.0 6 3 21.3 30 M10 4 11 55 22.0
14 90 14 32 14 24 20 2 50 38 2.3 6 4 26.9 40 M10 4 11 65 27.5
14 100 14 35 14 24 25 2 60 42 2.6 6 4 33.7 50 M10 4 11 75 34.5
14 120 14 35 16 26 32 2 70 55 2.6 6 5 42.4 60 M12 4 14 90 43.5
14 130 14 38 16 26 40 3 80 62 2.6 7 5 48.3 70 M12 4 14 100 49.5
14 140 14 38 16 28 50 3 90 74 2.9 8 5 60.3 80 M12 4 14 110 61.5
14 160 14 38 16 32 65 3 110 88 2.9 9 6 76.1 100 M12 4 14 130 77.5
16 190 16 42 18 34 80 3 128 102 3.2 10 6 88.9 110 M16 4 18 150 90.5
16 210 16 45 18 40 100 3 148 130 3.6 10 6 114.3 130 M16 4 18 170 116.0
18 240 18 48 20 44 125 3 178 155 4.0 10 6 139.7 160 M16 8 18 200 141.5
18 265 18 48 20 44 150 3 202 184 4.5 12 8 168.3 185 M16 8 18 225 170.5
20 320 20 55 22 44 200 3 258 236 5.6 15 8 219.1 240 M16 8 18 280 221.5
22 375 22 60 24 44 250 3 312 290 6.3 15 10 273.0 295 M16 12 18 335 276.5
22 440 22 62 24 44 300 4 365 342 7.1 15 10 323.9 355 M20 12 22 395 327.5
22 490 22 62 26 - 350 4 415 385 7.1 15 10 355.6 - M20 12 22 445 359.5
22 540 22 65 28 - 400 4 465 438 7.1 15 10 406.4 - M20 16 22 495 411.0
24 595 24 65 30 - 450 4 520 492 7.1 15 12 457.0 - M20 16 22 550 462.0
Buy BS4504 PN6 weld neck Flange at reasonable rate directly from Supplier, Refer BS4504 Standard Flange Pressure Rating

Alloy Steel BS4504 PN10 Flanges Dimensions

Alloy Steel BS4504 PN10 Flanges Dimensions
Flange Nom. Size Raised Face Neck Boss Bore Diameter Drilling Bolting
C2 A D1 C D C1 DN X G F T R M E N B I No. J
14 90 35 14 20 14 10 2 40 17.2 1.8 3 28 6 30 18.0 14 4 60 M12
14 95 35 14 20 14 15 2 45 21.3 2.0 3 32 6 35 22.0 14 4 65 M12
16 105 38 16 24 16 20 2 58 26.9 2.3 4 39 6 45 27.5 14 4 75 M12
16 115 38 16 24 16 25 2 68 33.7 2.6 4 46 6 52 34.5 14 4 85 M12
16 140 40 16 26 18 32 2 78 42.4 2.6 5 56 6 60 43.5 18 4 100 M16
16 150 42 16 26 18 40 3 88 48.3 2.6 5 64 7 70 49.5 18 4 110 M16
18 165 45 18 28 20 50 3 102 60.3 2.9 5 74 8 84 61.5 18 4 125 M16
18 185 45 18 32 20 65 3 122 76.1 2.9 6 92 10 104 77.5 18 4 / 8 145 M16
20 200 50 20 34 20 80 3 138 88.9 3.2 6 110 10 118 90.5 18 8 160 M16
20 220 52 20 40 22 100 3 162 114.3 3.6 6 130 12 140 116.0 18 8 180 M16
22 250 55 22 44 22 125 * 3 188 139.7 4.0 6 158 12 168 141.5 18 8 210 M16
22 285 55 22 44 24 150 3 212 168.3 4.5 8 184 12 195 170.5 22 8 240 M20
24 340 62 24 44 24 200 3 268 219.1 5.6 8 234 16 246 221.5 22 8 295 M20
26 395 68 26 46 26 250 3 320 273.0 6.3 10 288 16 298 276.5 22 12 350 M20
26 445 68 26 46 28 300 4 370 323.9 7.1 10 342 16 350 327.6 22 12 400 M20
26 505 68 26 53 28 350 4 430 355.6 7.1 10 390 16 400 359.0 22 16 460 M20
26 565 72 26 57 32 400 4 482 406.4 7.1 10 440 16 456 411.0 26 16 515 M24
28 615 72 28 63 36 450 4 532 457.0 7.1 12 488 16 502 462.0 26 20 565 M24
28 670 75 28 67 38 500 4 585 508.0 7.1 12 540 16 559 513.5 26 20 620 M24
Manufacturer of BS4504 PN40 Flange in Raised Face/ Flat Face

Dimensions of BS4504 PN16 Flanges

Dimensions of BS4504 PN16 Flanges
Drilling Nom. Size Flange Neck Raised Face Boss Bore Diameter Bolting
No. J I DN C1 A D C D C2 D1 R F T M E G X N B
4 60 14 10 14 90 20 14 20 14 35 3 17.2 1.8 28 6 40 2 30 18.0 M12
4 65 14 15 14 95 20 14 20 14 35 3 21.3 2.0 32 6 45 2 35 22.0 M12
4 75 14 20 16 105 24 16 24 16 38 4 26.9 2.3 39 6 58 2 45 27.5 M12
4 85 14 25 16 115 24 16 24 16 38 4 33.7 2.6 46 6 68 2 52 34.5 M12
4 100 18 32 18 140 26 16 26 16 40 5 42.4 2.6 56 6 78 2 60 43.5 M16
4 110 18 40 18 150 26 16 26 16 42 5 48.3 2.6 64 7 88 3 70 49.5 M16
4 125 18 50 20 165 28 18 28 18 45 5 60.3 2.9 74 8 102 3 84 61.5 M16
4 / 8 145 18 65 20 185 32 18 32 18 45 6 76.1 2.9 92 10 122 3 104 77.5 M16
8 160 18 80 20 200 34 20 34 20 50 6 88.9 3.2 110 10 138 3 118 90.5 M16
8 180 18 100 22 220 40 20 40 20 52 6 114.3 3.6 130 12 162 3 140 116.0 M16
8 210 18 125 * 22 250 44 22 44 22 55 6 139.7 4.0 158 12 188 3 168 141.5 M16
8 240 22 150 24 285 44 22 44 22 55 8 168.3 4.5 184 12 212 3 195 170.5 M20
12 295 22 200 26 340 44 24 44 24 62 8 219.1 5.6 234 16 268 3 246 221.5 M20
12 355 26 250 29 405 46 26 46 26 70 10 273.0 6.3 288 16 320 3 298 276.5 M24
12 410 26 300 32 460 46 28 46 28 78 10 323.9 7.1 342 16 378 4 350 327.6 M24
16 470 26 350 35 520 57 30 57 30 82 10 355.6 8.0 390 16 438 4 400 359.0 M24
16 525 30 400 38 580 63 32 63 32 85 10 406.4 8.0 444 16 490 4 456 411.0 M27
20 585 30 450 42 640 63 34 63 36 87 12 457.0 8.0 490 16 550 4 502 462.0 M27
20 650 33 500 46 715 73 34 73 36 90 12 508.0 8.0 546 16 610 4 559 513.5 M30

Steel BS4504 PN40 Flanges Dimensions

Steel BS4504 PN40 Flanges Dimensions
Bolting Nom. Size Neck Flange Boss Raised Face Drilling Bore Diameter

DN F M R E T C2 A D1 C C1 D N G X I No. J B
M12 10 17.2 28 3 6 1.8 16 90 35 16 14 22 30 40 2 14 4 60 18.0
M12 15 21.3 32 3 6 2.0 16 95 38 16 14 22 35 45 2 14 4 65 22.0
M12 20 26.9 40 4 6 2.3 18 105 40 18 16 26 45 58 2 14 4 75 27.5
M12 25 33.7 46 4 6 2.6 18 115 40 18 16 28 52 68 2 14 4 85 34.5
M16 32 42.4 56 5 6 2.6 18 140 42 18 18 30 60 78 2 18 4 100 43.5
M16 40 48.3 64 5 7 2.6 18 150 45 18 18 32 70 88 3 18 4 110 49.5
M16 50 60.3 74 5 8 2.9 20 165 48 20 20 34 84 102 3 18 4 125 61.5
M16 65 76.1 92 6 10 2.9 22 185 52 22 22 38 104 122 3 18 8 145 77.5
M16 80 88.9 110 6 12 3.2 24 200 58 24 24 40 118 138 3 18 8 160 90.5
M20 100 114.3 134 6 12 3.6 24 235 65 24 26 44 145 162 3 22 8 190 116.0
M24 125 139.7 162 6 12 4.0 26 270 68 26 28 48 170 188 3 26 8 220 141.5
M24 150 168.3 190 8 12 4.5 28 300 75 28 30 52 200 218 3 26 8 250 170.5
M27 200 219.1 244 8 16 6.3 36 375 88 34 36 52 260 285 3 30 12 320 221.5
M30 250 273.0 306 10 18 7.1 38 450 105 38 42 60 312 345 3 33 12 385 276.5

20 years of Experience as a supplier of these materials in below mentioned locations

Mangalore Refinery & Petrochemical Ltd

Mangalore Refinery & Petrochemical Ltd

Aspen Sa Manufacturing Operations (Pty) Ltd-EasternCape, EasternCape, South Africa

Aspen Sa Manufacturing Operations (Pty) Ltd-EasternCape, EasternCape, South Africa

Nigeria-Morocco Gas Pipeline South Africa

Nigeria-Morocco Gas Pipeline South Africa

Singapore LNG Terminal Ancillary Products And Services (TAPS) Facility Jurong Island, Singapore

Singapore LNG Terminal Ancillary Products And Services (TAPS) Facility Jurong Island, Singapore

Fadhili Gas Plant, Jubail, Saudi Arabia

Fadhili Gas Plant, Jubail, Saudi Arabia

Al Zour Refinery- Kuwait

Al Zour Refinery- Kuwait