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Refer British Standard BS4504 PN10-PN64 dimensions and weight chart, A complete guide for BS 4504 Flange


BS4504 PN16 Flange

BS 4504 Flanges Specifications


Specification BS4504 PN16 Flange
Supporting Material Gasket/ Ring Joint/ Flange Bolts
Manufacturer Length NPS 1⁄₂" To NPS 48”
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Flange Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Flange Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Production Technique Forged/ Heat treated and machined
Manufacturer of Forged/ Threaded/ Screwed / Plate
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Forging Methods Casting/ Forging/ Rolling/ Cutting
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Manufacturer Pressure Class Class 150 (lb) up to 24"
Class 300 (lb) up to 20"
Class 600 (lb) up to 20"
Class 900 (lb) up to 16"
Class 1500 (lb) up to 10"
Class 2500 (lb) up to 8"

Buy BS4504 PN25 Flange at competitive rate directly from manufacturers


BS 4504 PN16 Flange Price List


Nominal Diameter Nominal pipe size in mm Pitch Circle Diameter In mm Thread holes Standard Pressure Price In INR (India) Per Piece
DN 20 3/4" (26,9) 75 4 x 14 mm Ø BS 4504 PN 16 536.00
DN 25 1" (33,7) 85 4 x 14 mm Ø - - 764.00
DN 32 1.1/4" (42,4) 100 4 x 18 mm Ø - - 1000.00
DN 40 1.1/2" (48,3) 110 4 x 18 mm Ø - - 1389.00
DN 50 2" (60,3) 125 4 x 18 mm Ø - - 1789.00
DN 65 76,1 145 4 x 18 mm Ø - - 2552.00
DN 80 88,9 160 8 x 18 mm Ø - - 3180.00
DN 100 108 180 8 x 18 mm Ø - - 3673.00
DN 100 114,3 180 8 x 18 mm Ø - - 4392.00
DN 125 133 210 8 x 18 mm Ø - - 5000.00
DN 125 139,7 210 8 x 18 mm Ø - - 5359.00
DN 150 159 240 8 x 22 mm Ø - - 5885.00
DN 150 168,3 240 8 x 22 mm Ø - - 6305.00
DN 200 219,1 295 12 x 22 mm Ø BS 4504 PN 16 7088.00

Types Of EN 1092-1 BS 4504 Flange


BS 4504 Flanges

BS 4504 Flanges

BS4504 PN16 Blind Flange

BS4504 PN16 Blind Flange

BS 4504 PN10 Slip On Flange

BS 4504 PN10 Slip On Flange

BS 4504 PN6 Weld Neck Flanges

BS 4504 PN6 Weld Neck Flanges

BS 4504 Pn 5 Flange

BS 4504 Pn 5 Flange

BS 4504 Pn10 Flange

BS 4504 Pn10 Flange

BS4504 Pn16 Flange

BS4504 Pn16 Flange

BS4504 Pn25 Flange

BS4504 Pn25 Flange

BS4504 Pn40 Flange

BS4504 Pn40 Flange

British Standard 4504 Flange

British Standard 4504 Flange

 BS 4504 Plate Flange

BS 4504 Plate Flange

BS 4504 Welding Neck Flange

BS 4504 Welding Neck Flange

BS 4504 Threaded Flange

BS 4504 Threaded Flange

 DIN 86029 BS 4504 Flanges

DIN 86029 BS 4504 Flanges

DIN BS 3293 Flanges

DIN BS 3293 Flanges

EN BS 3293 Flanges

EN BS 3293 Flanges

 BS 4504 Standard Flanges

BS 4504 Standard Flanges

BS 4504 Pipe Flanges

BS 4504 Pipe Flanges

EN 1092-1 BS 4504 Flange

EN 1092-1 BS 4504 Flange

 BS 4504 PN 16 Forged Flange

BS 4504 PN 16 Forged Flange

BS 4504 PN16 Blind Flange

BS 4504 PN16 Blind Flange


Bs4504 Pn6 Flange Dimensions


Bs4504 Pn6 Flange Dimensions

NPS

Pipe Flanges

RF (Raised Face)

Boss

Drilling And Diameter

Size Of Bolting

Weld Neck

Bore Diameter

(D)

(A)

(C)

(C)

(C)

(D)

(D)

(G)

(X)

(N)

(No)

(I)

(J)

(M)

(F)

(E)

(R)

(T)

(B)

10

75

12

12

12

20

28

35

2

25

4

11

50

M10

26

17.2

6

3

1.8

18.0

15

80

12

12

12

20

30

40

2

30

4

11

55

M10

30

21.3

6

3

2.0

22.0

20

90

14

14

14

24

32

50

2

40

4

11

65

M10

38

26.9

6

4

2.3

27.5

25

100

14

14

14

24

35

60

2

50

4

11

75

M10

42

33.7

6

4

2.6

34.5

32

120

14

16

14

26

35

70

2

60

4

14

90

M12

55

42.4

6

5

2.6

43.5

40

130

14

16

14

26

38

80

3

70

4

14

100

M12

62

48.3

7

5

2.6

49.5

50

140

14

16

14

28

38

90

3

80

4

14

110

M12

74

60.3

8

5

2.9

61.5

65

160

14

16

14

32

38

110

3

100

4

14

130

M12

88

76.1

9

6

2.9

77.5

80

190

16

18

16

34

42

128

3

110

4

18

150

M16

102

88.9

10

6

3.2

90.5

100

210

16

18

16

40

45

148

3

130

4

18

170

M16

130

114.3

10

6

3.6

116.0

125

240

18

20

18

44

48

178

3

160

8

18

200

M16

155

139.7

10

6

4.0

141.5

150

265

18

20

18

44

48

202

3

185

8

18

225

M16

184

168.3

12

8

4.5

170.5

200

320

20

22

20

44

55

258

3

240

8

18

280

M16

236

219.1

15

8

5.6

221.5

250

375

22

24

22

44

60

312

3

295

12

18

335

M16

290

273.0

15

10

6.3

276.5

300

440

22

24

22

44

62

365

4

355

12

22

395

M20

342

323.9

15

10

7.1

327.5

350

490

22

26

22

62

415

4

12

22

445

M20

385

355.6

15

10

7.1

359.5

400

540

22

28

22

65

465

4

16

22

495

M20

438

406.4

15

10

7.1

411.0

450

595

24

30

24

65

520

4

16

22

550

M20

492

457.0

15

12

7.1

462.0

500

645

24

30

24

68

570

4

20

22

600

M20

538

508.0

15

12

7.1

513.5

600

755

24

32

34

70

670

5

20

26

705

M24

640

610.0

16

12

7.1

616.5

700

860

24

40

38

70

775

5

24

26

810

M24

740

711.0

16

12

7.1

800

975

24

44

42

70

880

5

24

30

920

M27

842

813.0

16

12

7.1

900

1075

26

48

46

70

980

5

24

30

1020

M27

942

914.0

16

12

7.1

1000

1175

26

52

52

70

1080

5

28

30

1120

M27

1045

1016.0

16

12

7.1

1200

1405

28

60

60

90

1295

5

32

33

1340

M30

1248

1220.0

20

12

8.0

1400

1630

32

68

68

90

1510

5

36

36

1560

M33

1452

1420.0

20

12

8.0

1600

1830

34

76

76

90

1710

5

40

36

1760

M33

1655

1620.0

20

12

9.0

1800

2045

36

84

84

100

1920

5

44

39

1970

M36

1855

1820.0

20

15

10.0

2000

2265

38

92

92

110

2125

5

48

42

2180

M39

2058

2020.0

25

15

11.0


BS4504 PN10 Flange Dimensions


BS4504 PN10 Flange Dimensions

BS4504 PN10 Flange Dimensions

BS4504 PN16 Flange Dimensions


BS4504 PN16 Flange Dimensions

(DN)(D <)/td>(C1)(C2)(H1)(H2)(H3)(R<)/td>(A<)/td>(N1)(N2)(B1)(d1)(f1)
1090141420356317,2283018402
1595141420356321,3323522452
20105141424386426,9394527,5582
25115161624386433,7465234,5682
32140181626406542,4566043,5782
40150181626427548,3647049,5883
50165201828458560,3748461,51023
651852018324510676,19210477,51223
802002020345010688,911011890,51383
10022022204052126114,31301401161623
12525022224455126139,7158168141,51883
15028524224455128168,3184195170,52123
20034026244462168219,1234246221,52683
250405292646701610273288298276,53203
300460322846781610323,9342350327,53784
350520353057821610355,63904003594384
400580383263851610406,4444456411,04904
450640423468871612457,0490502462,05504
500715463473901612508,0546559513,56104
600840523683951812610,0650658616,57255
7009106036831001812711,0750760-7955
80010256838901052012813,0848864-9005
90011257640941102012914,0948968-10005
10001255844210012022121016,010561072-11155
120014859848-13030121220,01260--13305
14001685-52-14530121420,01465--15305
16001930-58-16035121620,01668--17505

  • DN = Nominal size
  • D = Outside Diameter
  • A = Outside Diameter of Neck
  • B1 = Bore of Type 101 And 112 Flanges
  • C1 = Thickness of Plate Flange
  • C2 = Thickness of Weld_Neck and Boss Flanges
  • N1 = Diameter of Weld Neck Flanges
  • N2 = Boss Diameter
  • R = corner Radius
  • H1 = Boss Flange Length
  • H2 = Weld Neck Length
  • H3 = Neck Length
  • Note : All Dimensions in mm

BS4504 Pn16 Flange Bolting Chart


( DN)( K)( L)( No)(Size)
(Millimeter) (Millimeter) (Millimeter) - (Millimeter)
106014 4M12
15 65 14 4M12
20 75 14 4M12
25 85 14 4M12
32 100 18 4M16
40 110 18 4M16
50125 18 4M16
65 145 18 8**M16
80 160 18 8M16
100 180 18 8M16
125210 18 8M16
150 240 22 8M20
200 295 22 12M20
250 355 26 12M24
300 410 26 12M24
350 470 26 16M24
4005253016M27
4505853020M27
5006503320M30
6007703620M33
7008403624M33
8009503924M36
90010503928M36
100011704228M39
120013904832M45
140015904836M45
160018205640M52

  • K = Diameter Of Bolt Circle
  • L = Diameter Of Bolt Hole
  • No = Holes Number
  • Size = Bolts Size

BS4504 PN25 Flange Dimensions


BS4504 PN25 Flange Dimensions

BS4504 PN25 Flange Dimensions

BS4504 Pn25 Flange Bolting Chart


(DN)(K)(L)(No)(Size)
(MM)(MM)(MM)-(MM)
1060144M12
1565144M12
2075144M12
2585144M12
32100184M16
40110184M16
50125184M16
65145188M16
80160188M16
100190228M20
125220268M24
150250268M24
2003102612M24
2503703012M27
3004303016M27
3504903316M30
4005503616M33
4506003620M33
5006603620M33
6007703920M36
7008754224M39
8009904824M45
90010904828M45
100012105628M52
120014205632M52
140016406236M56
160018606240M56
DNKLNoSize

  • K = Diameter Of Bolt Circle,
  • L = Diameter Of Bolt Hole,
  • Number = No. of Holes
  • Size = Bolts Size

BS4504 PN40 Flange supplier in India offer custom marking, stamping & Pre-shipment Inspection


BS4504 PN40 Flange Dimensions


BS4504 PN40 Flange Dimensions

BS4504 PN40 Flange Dimensions

BS 4504 PN64 Plate Flange Dimensions


BS 4504 PN64 Plate Flange Dimensions

DN (Size)PNA (millimeter)B (millimeter)C (millimeter)
102.5, 6751218
10 &169014
25 & 409014
152.5 & 6801222
10 &169514
 25 & 409514
202.5 & 6901427.5
10 &1610516
25 & 4010516
252.5 & 61001434.5
10 &1611516
25 & 4011516
322.5 & 61201643.5
10 &1614018
25 & 4014018
402.5 & 61301649.5
10 &1615018
25 & 4015018
502.5 & 61401661.5
10 & 1616520
25 & 4016520
652.5 & 61601677.5
10 & 1618520
25 & 4018522
802.5 & 61901890.5
10 &1620020
25 & 4020024
1002.5 & 621018116
10 &1622022
25 & 4023526
1252.5 & 624020141.5
10 & 1625022
25 & 4027028
1502.5 & 626520170.5
10 & 1628524
25 & 4030030
2002.5 & 632022221.5
10 &1634024
2536032
4037536
2502.5 & 637524276.5
1039526
1640529
2542535
4045042
3002.5 & 644024327.5
1044526
1646032
2548538
4051548
3502.5 & 649026359.5
1050528
1652035359
2555542359.5
4058054
4002.5 & 654028411
1056532
1658038
2562046
4066060
4502.5 & 659530462
1061536
1664042
2567050
4068566
5002.5 & 664530513.5
1067038
1671546
2573056
4075572
6002.5 & 675532616.5
1078042
1684052
2584568
4089084
7002.586036To be specifiedby purchaser
8002.597538
9002.5107540
10002.5117542
12002.5137544
14002.5157548
16002.5179051
18002.5199054
20002.5219058

BS 4504 Welding Neck Flange Dimensions


BS 4504 Welding Neck Flange Dimensions

BS 4504 Welding Neck Flange Dimensions

BS 4504 Threaded Flange Dimensions


BS 4504 Threaded Flange Dimensions

DN (Size)PNA (Millimeter)B (Millimeter)C (Millimeter)D (Millimeter)E (Millimeter)
106752512203
1690301420
4090301622
156803012203
1695351420
4095351622
206904014244
16105451624
40105451826
2561005014244
16115521624
40115521828
3261206014265
16140601626
40140601830
4061307014265
16150701626
40150701832
5061408014285
16165841828
40165842034
65616010014326
161851041832
401851042238
80619011016346
162001182034
402001182440
100621013016406
162201402040
402351452444

BS 4504 Blind Flange Dimensions


BS 4504 Blind Flange Dimensions

DN (Size)PNA (mm)B (mm) C (mm)
102.5, 67512
10 &169014
25 & 409016
152.5 & 68012
10 &169514
25 & 409516
202.5 & 69014
10 &1610516
25 & 4010518
252.5 & 610014
10 &1611516
25 & 4011518
322.5 & 612014
10 &1614016
25 & 4014018
402.5 & 613014
10 &1615016
25 & 4015018
502.5 & 614014
10 & 1616518
25 & 4016520
652.5 & 61601455
10 & 161851855
25 & 401852255
802.5 & 61901670
10 &162002070
25&402002470
1002.5 & 62101690
10 &162202090
25&402352490
1252.5 & 624018115
10 & 1625022115
25 & 4027026115
1502.5 & 626518140
10 & 1628522140
25 & 4030028140
2002.5 & 632020190
10 &1634024190
2536030190
4037534190
2502.5 & 637522235
1039526235
1640526235
2542532235
4045038235

BS4504 Flange Table


BS4504 Flange Table

BS4504 Flange Table

Approx Bolting Torque For BS4504 Flange


Approx Bolting Torque For BS4504 Flange

Identification Of British Standard 4504 Flange


Identification Of British Standard 4504 Flange

BS4504 PN16 Flange Weight


Normal Size Of Steel PipeDimensions In MillimeterBS4504 PN16 Flange Weight In Kilogram
Normal Size Of Steel Pipe In InchesSize In MillimeterBS4504 PN16 Flanges
Outer Daimeter (O.D.) In
(MM)
150# Flanges
Wall Thickness Of
(D)
In M)
(BS4504 PN16 Slip On Flanges)
(BS4504 PN16 Socket Weld Flanges)
(BS4504 PN16 Weld Neck Flanges)(BS4504 PN16 Blind Flanges)
1/21588.911.20.40.50.4
3/42098.612.70.60.70.6
12510814.20.810.9
1 1/432117.315.711.31.2
1 1/24012717.51.31.71.5
250152.419.12.12.62.4
2 1/265177.822.43.34.13.9
380190.523.93.94.94.9
3 1/290215.923.94.86.16.2
4100228.623.95.36.87.0
512525423.96.18.68.6
6150279.425.47.510.611.3
8200342.928.412.117.619.6
10250406.430.216.52428.6
12300482.631.826.236.543.2
14350533.435.134.648.458.1
16400596.936.644.860.676.1
1845063539.648.968.393.7
20500698.542.961.984.5122.0

Manufacturer of BS4504 PN10 Flange in Female, Flat, Raised, Tongue, Male, RJ, RTJ, Groove face

BS4504 Flange Sizes


BS4504 Flange Sizes

BS4504 Flange Pressure Rating


BS4504 Flange Pressure Rating

Bs4504 Equivalent


C22.8P250GHA105SA105
15Mo316Mo3
13CrMo4413CrMo4-5A182F12SA182F12
10CrMo91011CrMo9-10A182F22SA182F22
1.4901A182F92SA182F92X10CrWMoVNb9-2
1.4903A182F91SA182F91X10CrMoVNb9-1
1.4905E911X11CrMoVWNb9-11
1.4910X6CrNiMoN17-12-2
1.4922X20CrMoV11-1
1.4923X22CrMoV12-1
1.4948X6CNi18-10
1.4981X8CrNiMoNb16-6
1.4988X8CrNiMoVNb16-13
1.631120MnMoNi45
1.6368WB3615NiCuMoNb5
W/TSTE355P355A350LF2SA350LF2
W/TSTE420P420
W/TSTE460-
12CrMo19.5 (V/G)A182/ F5SA182/ F5
1.563712Ni14
1.771514MoV63
ST 52.3S355J2 N
42CrMo4
25CrMo4
14MoV63
10Ni14 / 12Ni14
1.4021X20Cr13
1.4057X17CrNi16 2
1.4122X39CrMo17 1
1.4301A182/A479 304SA182/SA479 304LX5CrNi18 10
1.4305X8CrNiS18 9
1.4306A182/A479 304SA182/SA479 304LX2CrNi19 11
1.4307X2CrNi18 9
1.4313X3CrNiMo13 4
1.4401X5CrNiMo17 12 2
1.4404A182/A479 316SA182/SA479 316LX2CrNiMo17 12 2
1.4410A182/A479 F53SA182/SA479 F53S 32750X2CrNiMoN25 7 4
1.4435S 31603X2CrNiMo18 14 3
1.4439S 31726X2CrNiMoN17 13 5

DIN BS 4504 Slip On Flange Wall Thickness


NPSOuter Diameter
(O.D)
Minimum Wall Thickness
(T)
(RF) Diameter
(R)
Number of Bolt HolesHoles DiameterBC
(Bolt Circle)
SO Bore Inner Diameter
(SB)
WN Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO Length
(SL)
WN Length
(WL)
123.500.381.3840.622.380.880.621.190.840.561.81
343.880.441.6940.622.751.090.821.501.050.562.00
14.250.502.0040.623.121.361.051.941.320.622.12
1144.620.562.5040.623.501.701.382.311.660.752.19
1125.000.622.8840.623.881.951.612.561.900.812.38
26.000.693.6240.754.752.442.073.062.380.942.44
2127.000.814.1240.755.502.942.473.562.881.062.69
37.500.885.0040.756.003.573.074.253.501.122.69
3128.500.885.5080.757.004.073.554.814.001.192.75
49.000.886.1980.757.504.574.035.314.501.252.94
510.000.887.3180.888.505.665.056.445.561.383.44
611.000.948.5080.889.506.726.077.566.631.503.44
813.501.0610.6280.8811.758.727.989.698.631.693.94
1016.001.1212.75121.0014.2510.8810.0212.0010.751.883.94
1219.001.1915.00121.0017.0012.8812.0014.3812.752.124.44
1421.001.3116.25121.1218.7514.1413.2515.7514.002.194.94
1623.501.3818.50161.1221.2516.1615.2518.0016.002.444.94
1825.001.5021.00161.2522.7518.1817.2519.8818.002.625.44
2027.501.6223.00201.2525.0020.2019.2522.0020.002.815.62
2229.501.7525.25201.3827.2522.2221.2524.2522.003.075.82
2432.001.8127.25201.3829.5024.2523.2526.1224.003.195.94

Drilling Of BS4504 PN16 Blind Flange


Nominal Pipe DiameterPressure Rating In (PN)
Size Of **Nominal BSP PipePN 6PN 10PN 16PN 25PN 40

DN 10

75

90

90

90

90

O.D.

3/8"

50

60

60

60

60

PCD (B.C.)

 

4 x 11

4 x 14

4 x 14

4 x 14

4 x 14

# of holes x diameter of holes

DN 15

80

95

95

95

95

O.D.

1/2"

55

65

65

65

65

PCD (B.C.)

 

4 x 11

4 x 14

4 x 14

4 x 14

4 x 14

# of holes x diameter of holes

DN 20

90

105

105

105

105

O.D.

3/4"

65

75

75

75

75

PCD (b.c.)

 

4 x 11

4 x 14

4 x 14

4 x 14

4 x 14

# of holes x diameter of holes

DN 25

100

115

115

115

115

O.D.

1"

75

85

85

85

85

PCD (b.c.)

 

4 x 11

4 x 14

4 x 14

4 x 14

4 x 14

# of holes x diameter of holes

DN 32

120

140

140

140

140

O.D.

1 1/4"

90

100

100

100

100

PCD (b.c.)

 

4 x 14

4 x 18

4 x 18

4 x 18

4 x 18

# of holes x diameter of holes

DN 40

130

150

150

150

150

O.D.

1 1/2"

100

110

110

110

110

PCD (b.c.)

 

4 x 14

4 x 18

4 x 18

4 x 18

4 x 18

# of holes x diameter of holes

DN 50

140

165

165

165

165

O.D.

2"

110

125

125

125

125

PCD (b.c.)

 

4 x 14

4 x 18

4 x 18

4 x 18

4 x 18

# of holes x diameter of holes

DN 65

160

185

185

185

185

O.D.

2 1/2"

130

145

145

145

145

PCD (b.c.)

 

4 x 14

4 x 18

4 x 18

8 x 18

8 x 18

# of holes x diameter of holes

DN 80

190

200

200

200

200

O.D.

3"

150

160

160

160

160

PCD (b.c.)

 

4 x 18

8 x 18

8 x 18

8 x 18

8 x 18

# of holes x diameter of holes

DN 100

210

220

220

235

235

O.D.

4"

170

180

180

190

190

PCD (b.c.)

 

4 x 18

8 x 18

8 x 18

8 x 22

8 x 22

# of holes x diameter of holes

DN 125

240

250

250

270

270

O.D.

5"

200

210

210

220

220

PCD (b.c.)

 

8 x 18

8 x 18

8 x 18

8 x 26

8 x 26

# of holes x diameter of holes

DN 150

265

285

285

300

300

O.D.

6"

225

240

240

250

250

PCD (b.c.)

 

8 x 18

8 x 22

8 x 22

8 x 26

8 x 26

# of holes x diameter of holes

DN 175

 

315

315

330

350

O.D.

7"

 

270

270

280

295

PCD (b.c.)

 

 

8 x 22

8 x 22

12 x 26

12 x 30

# of holes x diameter of holes

DN 200

320

340

340

360

375

O.D.

8"

280

295

295

310

320

PCD (b.c.)

 

8 x 18

8 x 22

12 x 22

12 x 26

12 x 30

# of holes x diameter of holes

DN 250

375

395

405

425

450

O.D.

10"

335

350

355

370

385

PCD (b.c.)

 

12 x 18

12 x 22

12 x 26

12 x 30

12 x 33

# of holes x diameter of holes

DN 300

440

445

460

485

515

O.D.

12"

395

400

410

430

450

PCD (b.c.)

 

12 x 22

12 x 22

12 x 26

16 x 30

16 x 33

# of holes x diameter of holes

DN 350

490

505

520

555

580

O.D.

14"

445

460

470

490

510

PCD (b.c.)

 

12 x 22

16 x 22

16 x 26

16 x 33

16 x 36

# of holes x diameter of holes

DN 400

540

565

580

620

660

O.D.

16"

495

515

525

550

585

PCD (b.c.)

 

16 x 22

16 x 26

16 x 30

16 x 36

16 x 39

# of holes x diameter of holes

DN 500

645

670

715

730

755

O.D.

20"

600

620

650

660

670

PCD (b.c.)

 

20 x 22

20 x 26

20 x 33

20 x 36

20 x 42

# of holes x diameter of holes

DN 600

755

780

840

845

 

O.D.

24"

705

725

770

770

 

PCD (b.c.)

 

20 x 24

20 x 27

20 x 33

20 x 36

 

# of holes x diameter of holes


Coating Of Bs 4504 Pn10 Flanges


  • Anti-rust Paint
  • Zinc Plated
  • Oil Black Paint
  • Yellow Transparent
  • Hot Dip Galvanized
  • Cold Galvanized

Facing Types Of BS4504 Pipe Flange


Facing Types Of BS4504 Pipe Flange

  • Type A: Flat Face (FF)
  • Type B: Raised Face (RF)
  • Type C: Tongue Face (TF)
  • Type D: Grooved Face (GF)
  • 1Type E: Spigo
  • Type F: Recess
  • Type G: Ring Recess
  • Type H: O-Ring Groove

EN BS4504 PN25 Forged Flange Applications


  • Specialty Chemicals
  • Power Generation
  • Condensers
  • Chemical Equipment
  • Gas Processing
  • Pulp and Paper Industry
  • Sea Water Equipment
  • Pharmaceutical Equipment
  • Off-Shore Oil Drilling Companies
  • Petrochemicals
  • Heat Exchangers
  • Pharmaceuticals

British Standard 4504 PN10 Flange Tolerances


1) Tolerance of O.D (outside diameter):

  • for O.D < 200 millimeter , ±1.0 millimeter (faced) while ±2.0 millimeter (not faced).
  • for 200 millimeter < O.D < 300 millimeter , ±1.5 millimeter (faced) while ±2.0 millimeter (not faced).
  • for 300 millimeter < O.D < 400 millimeter , ±2.0 millimeter (faced) while ±3.0 millimeter (not faced).
  • for O.D < 400 millimeter , ±2.0 millimeter (faced) while ±5.0 millimeter (not faced).

2) Tolerance of I.D (inside bore diameter):

  • for I.D < 100 (mm), ±0.5 (mm)(other types) while -1.0 (mm)(weld neck types).
  • for 100 (mm) < I.D < 400 (mm), +1.0 (mm)(other types) while -1.5 (mm)(weld neck types).
  • for I.D < 400 (mm), +1.5 (mm)(other types) while -2.0 (mm) (weld neck types).

3) Tolerance of flange (t) (thickness):

  • for t < 10 millimeter , ±0.5 millimeter (both sides) while ±1.0 millimeter (one side).
  • for 10 millimeter < t < 20 millimeter , ±0.8 millimeter (both sides) while ±1.3 millimeter (one side).
  • for 20 millimeter < t < 30 millimeter , ±1.0 millimeter (both sides) while ±1.5 millimeter (one side).
  • for 30 millimeter < t < 50 millimeter , ±1.0 millimeter (both sides) while ±1.5 millimeter (one side).
  • for W.T < 50 millimeter , ±1.5 millimeter (both sides) while ±2.0 millimeter (one side).

4) Tolerance of flange overall H (height):

  • for H < 80 (mm), ±0.5 (mm).
  • for 80 (mm) < H < 250 (mm), ±2.0 (mm).
  • for H < 250 (mm), ±3.0 (mm).

5) Tolerance of diameter of G (raised face):

  • for g < 80 (mm), -1.0 (mm).
  • for 80 (mm) < g < 300 (mm), -2.0 (mm).
  • for g < 300 (mm), -3.0 (mm).

Check Surface Finish of BS4504 PN64 Flange Material before selecting a gasket

BS4504 Gasket Dimensions


BS4504 Gasket Dimensions
(Normal Size Of Steel Pipes) In Inch(I.D.) Inner Daimeter Gasket
(O.D.) Outer Daimeter Gasket
Class 150#/ LB Class 300#/ LB Class 400#/ LB Class 600#/ LB Class 900#/ LB
1/20.841.8752.1252.1252.1252.50
3/41.062.252.6252.6252.6252.75
11.312.6252.8752.8752.8753.125
1 1/41.6633.253.253.253.50
1 1/21.913.3753.753.753.753.875
22.384.1254.3754.3754.3755.625
2 1/22.884.8755.1255.1255.1256.50
33.505.3755.8755.8755.8756.625
44.506.8757.1257.007.6258.125
55.567.758.508.3759.509.75
66.628.759.8759.7510.5011.375
88.621112.12512.0012.62514.125
1010.7513.37514.2514.12515.7517.125
1212.7516.12516.62516.5018.0019.625