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DIN 2627 PN400 Weld Neck Flange manufacturer in India, check dimensions and price list


DIN 2627 Flanges

DIN 2627 Flanges Specification


Specification DIN 2627 Flanges
Production Technique Forged/ Heat treated and machined
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
Manufacturer Length NPS 1⁄₂" To NPS 48”
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Manufacturer of Forged/ Threaded/ Screwed / Plate
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"
Flanges Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Flanges Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Forging Methods Casting/ Forging/ Rolling/ Cutting
Supporting Material Gasket/ Ring Joint/ Flanges Bolts

Purchasing EN 1092-1/B DIN 2627 Welding Neck Flanges from the manufacturer directly saves 15% costing


DIN 2627 Welding Neck Flanges Price List


Nominal Diameter Pitch Circle Diameter In mm Thread holes Standard Pressure Price In INR (India) Per Piece
DN 20 75 4 x 14 mm Ø DIN 2627 PN 400 560.00
DN 25 85 4 x 14 mm Ø - - 958.00
DN 32 100 4 x 18 mm Ø - - 1365.00
DN 40 110 4 x 18 mm Ø - - 1689.00
DN 50 125 4 x 18 mm Ø PN400 DIN 2627 2190.00

Germany standard DIN 2627 available in PN400 pressure class and have quality similar qualities as in United States, DIN 2627 WNRF Flange supplier in India offer stamping, marking & MTR


Types Of DIN 2627 Flanges


DIN 2627 Pipe Flange

DIN 2627 Pipe Flange

DIN 2627 Forging Flange

DIN 2627 Forging Flange

DIN 2627 Welding Neck Flanges

DIN 2627 Welding Neck Flanges

DIN 2627 Weld Neck Flange

DIN 2627 Weld Neck Flange

DIN 2627 WNRF Flange

DIN 2627 WNRF Flange

DIN 2627 Long Weld Neck Flange

DIN 2627 Long Weld Neck Flange

DIN 2627 LWNRF Flange

DIN 2627 LWNRF Flange

 DIN 2627 PN400 Flange

DIN 2627 PN400 Flange

DIN 2627 PN400 Weld Neck Flange

DIN 2627 PN400 Weld Neck Flange

DIN 2627 Welding Neck Flange PN400

DIN 2627 Welding Neck Flange PN400

 DIN 2628 PN250 Weld Neck Flange

DIN 2628 PN250 Weld Neck Flange

Welding Neck Flange PN 400 DIN 2627

Welding Neck Flange PN 400 DIN 2627

German Standard DIN 2627 Flange

German Standard DIN 2627 Flange

 DIN 2629 PN320 WN Flange

DIN 2629 PN320 WN Flange

DIN 2627 PN400 Welding Neck Flange

DIN 2627 PN400 Welding Neck Flange

DIN 2628 PN250 Flange

DIN 2628 PN250 Flange

 DIN 2629 PN320 Flange

DIN 2629 PN320 Flange

DIN 2627 Forged flange

DIN 2627 Forged Flange


Concentric/ Smooth/ Spiral serrated finish DIN 2627 Long Weld Neck Flange Material manufacturer in India

Material Of DIN 2627 Weld Neck Flange

Stainless Steel ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8/ CF3/ CF8M/ CF3M/ DIN 1.4301/ DIN 1.4306/ DIN 1.4401/ DIN 1.4404/ DIN 1.4308/ DIN 1.4408/ DIN 1.4306/ DIN 1.4409
Alloy Steel ASTM A182 / ASME SA182 F5/ F9/ F11/ F12/ F22/ F91
Brass 3602 / 2604 / H59 / H62 / etc.
Inconel ASTM B564 / ASME SB564, Inconel 600/ 601/ 625/ 718/ 783/ 690/ x750
Carbon Steel ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80)
Titanium ASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2/ Titanium Gr. 4/ Titanium Gr. 5/ Titanium Gr. 7
ASTM R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5
Hastelloy ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276)/ C22 (UNS N06022)/ C4/ C2000/ B2/ B3/ X Flange
Monel ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400)/ Monel 500 (UNS No. N05500)
Copper T1, T2, C10100/ C10200/ C10300/ C10400/ C10500/ C10700/ C10800/ C10910/C10920/ TP1/ TP2/ C10930/ C11000/ C11300/ C11400/ C11500/ C11600/ C12000/C12200/ C12300/ TU1/ TU2/ C12500/ C14200/ C14420/ C14500/ C14510/ C14520/ C14530/ C17200/ C19200/ C21000/ C23000/ C26000/ C27000/ C27400/ C28000/ C33000/ C33200/ C37000/ C44300/ C44400/ C44500/ C60800/ C63020/ C68700/ C70400/ C70600/ C70620/ C71000/ C71500/ C71520/ C71640 etc
Copper Nickel ASTM / ASME SB 61 / 62 / 151 / 152/ Copper Nickel 90/10 (C70600 )/ Cupro Nickel 70/30 (C71500)/ UNS C71640
Alloy 20 ASTM B462 / ASME SB462/ Carpenter® 20 Alloy/ Alloy 20Cb-3
Aluminium 5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel ASTM B564 / ASME SB564, Nickel 200/ Nickel 201/ Nickel 205/ Nickel 205LC
Duplex S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Incoloy ASTM B564 / ASME SB564, Incoloy 800/ 800H/ 800HT (UNS N08800)/ 825 (UNS N08825)/ 925 Flange
254 Smo ASTM A182 / ASME SA182, SMO 254/6Mo/ UNS S31254/ DIN 1.4547
Nimonic Nimonic 75/ Nimonic 80A/ Nimonic 90
Other material Tin bronze/ Alumunum bronze/ Lead bronze

DIN 2627 PN400 Weld Neck Flange Dimensions


DIN 2627 PN400 Weld Neck Flange Dimensions

NPS Diameter at weld Bevel Flange Diameter Thickness of DIN 2627 Flange Diameter of Bolt Circle Length Of Through Hub Diameter of Hub Wall Thickness Radius of Hub Straight Portion Diameter of R/F Thickness of R/F Number of Diameter of Bolt Holes
(DN) (D1) (D) (B) (K) (H1) (D3) (S) (R) (H2) (D4) (F) (holes) (D2) (Kilogram)
10 17.20 125 28 85 65 48 3.60 4 8 40 2 4 18 2.50
15 26.90 145 30 100 68 56 5.00 4 8 45 2 4 22 3.57
25 42.40 180 38 130 90 82 7.10 4 10 68 2 4 26 7.35
40 60.30 220 48 165 110 106 10.00 6 12 88 3 4 30 13.93
50 76.10 235 52 180 120 120 12.50 6 15 102 3 8 30 16.50
65 101.60 290 64 225 135 158 16.00 6 18 122 3 8 33 31.33
80 114.30 305 68 240 150 174 17.50 8 20 138 3 8 33 37.99
100 139.70 370 80 295 175 215 22.20 8 25 162 3 8 39 66.77
125 193.70 415 92 340 200 258 30.00 8 30 188 3 12 39 94.73
150 219.10 475 105 390 225 302 35.00 10 35 218 3 12 42 144.85
200 273.00 585 130 490 280 388 40.00 10 40 285 3 16 48 269.50

DIN 2628 PN250 Flanges Dimensions


DIN 2628 PN250 Flanges Dimensions

NPS Diameter at weld Bevel DIN 2628 Flange Diameter Thickness of DIN 2628 Flange Diameter of Bolt Circle Length Through Hub Diameter of Hub Wall Thickness Radius of Hub Straight Portion Diameter of R/F Thickness of R/F Number of Diameter of Bolt Holes
(DN) (D1) (D) (B) (K) (H1) (D3) (S) (R) (H2) (D4) (F) (holes) (D2) (Kilogram)
10 17.2 125 24 85 58 44 2.6 4 6 40 2 4 18 2.09
15 21.3 130 26 90 60 48 2.6 4 6 45 2 4 18 2.47
25 33.7 150 28 105 65 60 3.6 4 8 68 2 4 22 3.53
40 48.3 185 34 135 80 84 5 6 10 88 3 4 26 6.58
50 60.3 200 38 150 85 95 6.3 6 10 102 3 8 26 8.09
65 76.1 230 42 180 95 124 8 6 12 122 3 8 26 12.59
80 101.6 255 46 200 102 136 11 8 12 138 3 8 30 16.32
100 127 300 54 235 120 164 14.2 8 14 162 3 8 33 27.07
125 152.4 340 60 275 140 200 16 8 16 188 3 12 33 38.79
150 177.8 390 68 320 160 240 17.5 10 18 218 3 12 36 59.05
200 244.5 485 82 400 190 305 25 10 25 285 3 12 42 109.45
250 298.5 585 100 490 215 385 32 12 30 345 3 16 48 189.94

DIN 2629 PN320 Flanges Dimensions


DIN 2629 PN320 Flanges Dimensions

NPS Diameter at weld Bevel DIN 2629 Flange Diameter Thickness of DIN 2629 Flange Diameter of Bolt Circle Length Through Hub Diameter of Hub Wall Thickness Radius of Hub Straight Portion Diameter of R/F Thickness of R/F Number of Diameter of Bolt Holes
(DN) (D1) (D) (B) (K) (H1) (D3) (S) (R) (H2) (D4) (F) (holes) (D2) (Kilogram)
10 17.2 125 24 85 58 44 2.6 4 6 40 2 4 18 2.09
15 21.3 130 26 90 60 48 3.2 4 6 45 2 4 18 2.49
25 33.7 160 34 115 78 68 5 4 8 68 2 4 22 5.11
40 48.3 195 38 145 88 92 6.3 6 10 88 3 4 26 8.47
50 63.5 210 42 160 100 106 8 6 10 102 3 8 26 10.52
65 88.9 255 51 200 120 138 11 6 12 122 3 8 30 19.26
80 101.6 275 55 220 130 156 12.5 8 14 138 3 8 30 24.81
100 133 335 65 265 145 186 16 8 16 162 3 8 36 42.18
125 168.3 380 75 310 175 230 20 8 20 188 3 12 36 63.30
150 193.7 425 84 350 195 265 25 10 25 218 3 12 36 91.04
175 219.1 485 95 400 215 308 28 10 28 260 3 12 42 135.46
200 244.5 525 103 440 235 345 30 10 30 285 3 16 42 170.94
250 323.9 640 125 540 300 428 40 12 40 345 3 16 52 311.99

DIN 2627 Weld Neck Flange Weight Chart


Normal Size Of Steel Pipe Dimensions In Millimeter DIN 2627 Weld Neck Flange Weight In Kilogram
Normal Size Of Steel Pipe In Inches Size In Millimeter WNRF Flange
Outer Daimeter (O.D.) In
(MM)
WNRF Flange
Wall Thickness Of
(D)
In M)
(DIN 2627 DIN 2627 Welding Neck Flange)
1/2 15 88.9 11.2 0.5
3/4 20 98.6 0.6 0.7
1 25 108 14.2 1
1 1/4 32 117.3 15.7 1.3
1 1/2 40 127 17.5 1.7
2 50 152.4 19.1 2.6
2 1/2 65 177.8 22.4 4.1
3 80 190.5 23.9 4.9
3 1/2 90 215.9 23.9 6.1
4 100 228.6 23.9 6.8
5 125 254 23.9 8.6
6 150 279.4 25.4 10.6
8 200 342.9 28.4 17.6
10 250 406.4 30.2 24
12 300 482.6 31.8 36.5
14 350 533.4 35.1 48.4
16 400 596.9 36.6 60.6
18 450 635 39.6 68.3
20 500 698.5 42.9 84.5

DIN 2627 Flanges Advantages


DIN 2627 Flanges Advantages

Designs Of Germany Standard DIN 2627


A wide variety of din 2627 flange designs are available. They are available in various sizes and shapes. Some of the popular designs are as follows:


Designs Of Germany Standard DIN 2627

DIN 2627 WNRF Flange Seal Surface


DIN 2627 WNRF Flange Seal Surface

Sealing Face Of DIN 2627 Long Weld Neck Flange


Sealing Face Of DIN 2627 Long Weld Neck Flange

DIN 2627 LWNRF Flange Sizes Chart


Normal Pipe Size

DN

1/2

15

3/4

20

1

25

1 1/4

32

 1 1/2

40

2

50

2 1/2

65

3

80

4

100


Female, RJ, RTJ, Tongue, Raised, Flat, Male, Groove Face DIN 2627 LWNRF Flange manufacturer in India

Face Type Of DIN 2627 PN400 Flange


Face Type Of DIN 2627 PN400 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

DIN 2627 PN400 Weld Neck Flange Manufacturing Process


DIN 2627 PN400 Weld Neck Flange Manufacturing Process

Raw Material

  • Raw Materia
  • Materia Dimension And Visual
  • Materia Quantity
DIN 2627 PN400 Weld Neck Flange Manufacturing Process

Inspection

  • Chemical And Mechanical Analysis
  • Analysis Of Preservation Certificate
DIN 2627 PN400 Weld Neck Flange Manufacturing Process

Cutting

  • Cut Surface
  • Marking
  • Weight Measuring
DIN 2627 PN400 Weld Neck Flange Manufacturing Process

Forging Flange

  • Grade Of Material
  • Control Flange Temperature
DIN 2627 PN400 Weld Neck Flange Manufacturing Process

Heat Treatment

  • Flange Solution Treatment
  • Flanges Mechanical Test
  • Normalizing
DIN 2627 PN400 Weld Neck Flange Manufacturing Process

Forging Rolling Of Flange

  • Check Dimension
  • Check Marking
  • Check Weight
DIN 2627 PN400 Weld Neck Flange Manufacturing Process

Final Inspection Of Pipe Flange

  • Test Of Visual
  • Test Of Nondestructive
DIN 2627 PN400 Weld Neck Flange Manufacturing Process

Rust Prevention

  • View Preserve
  • Marking
  • Heat Number
DIN 2627 PN400 Weld Neck Flange Manufacturing Process

Packaging

  • Specification Of Packing
  • Inspection Of Packing
  • Delivery Time And Day

DIN 2627 Welding Neck Flange PN400 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).

Gasket For DIN 2627 : Welding Neck Flanges


Gasket For DIN 2627 : Welding Neck Flanges
(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
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625

Diameters Of Welding Neck Flange PN 400 DIN 2627


Nominal Pipe Diameter Pressure Rating In (PN)
Size Of **Nominal BSP Pipe PN 6 PN 10 PN 16 PN 25 PN 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


German Standard DIN 2627 Flanges Pressure Rating


Temperature In (°C) Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-29 TO 38 15.9 41.4 55.2 82.7 124.1 206.8 344.7
50 15.3 40 53.4 80 120.1 200.1 333.5
100 13.3 34.8 46.4 69.6 104.4 173.9 289.9
150 12 31.4 41.9 62.8 94.2 157 261.6
200 11.2 29.2 38.9 58.3 87.5 145.8 243
250 10.5 27.5 36.6 54.9 82.4 137.3 228.9
300 10 26.1 34.8 52.1 78.2 130.3 217.2
325 9.3 25.5 34 51 76.4 127.4 212.3
350 8.4 25.1 33.4 50.1 75.2 125.4 208.9
375 7.4 24.8 33 49.5 74.3 123.8 206.3
400 6.5 24.3 32.4 48.6 72.9 121.5 202.5
425 5.5 23.9 31.8 47.7 71.6 119.3 198.8
450 4.6 23.4 31.2 46.8 70.2 117.1 195.1

DIN 2627 Flanges Wall Thickness


Normal Size Of Steel Pipe Outer Diameter (O.D.) 10 Schedule 20 Schedule 30 Schedule STD Wall 40 Schedule 60 Schedule EXT Hvy 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 Schedule XX Hvy
½ 0.84 0.083 ... ... 0.109 0.109 ... 0.147 0.147 ... ... ... 0.188 0.294
¾ 1.05 0.083 ... ... 0.113 0.113 ... 0.154 0.154 ... ... ... 0.219 0.308
1 1.315 0.109 ... ... 0.133 0.133 ... 0.179 0.179 ... ... ... 0.25 0.358
1 ¼ 1.66 0.109 ... ... 0.14 0.14 ... 0.191 0.191 ... ... ... 0.25 0.382
1 ½ 1.9 0.109 ... ... 0.145 0.145 ... 0.2 0.2 ... ... ... 0.281 0.4
2 2.375 0.109 ... ... 0.154 0.154 ... 0.218 0.218 ... ... ... 0.344 0.436
2 ½ 2.875 0.12 ... ... 0.203 0.203 ... 0.276 0.276 ... ... ... 0.375 0.552
3 3.5 0.12 - - 0.216 0.216 - 0.3 0.3 - - - 0.438 0.6
3 ½ 4 0.12 - - 0.226 0.226 - 0.318 0.318 - - - - 0.636
4 4.5 0.12 - - 0.237 0.237 - 0.337 0.337 - 0.438 - 0.531 0.674
5 5.563 0.134 - - 0.258 0.258 - 0.375 0.375 - 0.5 - 0.625 0.75
6 6.625 0.134 - - 0.28 0.28 - 0.432 0.432 - 0.562 - 0.719 0.864
8 8.625 0.148 0.25 0.277 0.322 0.322 0.406 0.5 0.5 0.594 0.719 0.812 0.906 0.875
10 10.75 0.165 0.25 0.307 0.365 0.365 0.5 0.5 0.594 0.719 0.844 1 1.125 1
12 12.75 0.18 0.25 0.33 0.375 0.406 0.562 0.5 0.688 0.844 1 1.125 1.312 1
14 14 0.25 0.312 0.375 0.375 0.438 0.594 0.5 0.75 0.938 1.094 1.25 1.406 -
16 16 0.25 0.312 0.375 0.375 0.5 0.656 0.5 0.844 1.031 1.219 1.438 1.594 -
18 18 0.25 0.312 0.438 0.375 0.562 0.75 0.5 0.938 1.156 1.375 1.562 1.781 -
20 20 0.25 0.375 0.5 0.375 0.594 0.812 0.5 1.031 1.281 1.5 1.75 1.969 -
22 22 0.25 - - 0.375 - - 0.5 - - - - - -
24 24 0.25 0.375 0.562 0.375 0.688 0.969 0.5 1.219 1.531 1.812 2.062 2.344 -
26 26 - - - 0.375 - - 0.5 - - - - - -
30 30 0.312 0.5 0.625 0.375 - - 0.5 - - - - - -

DIN 2627 PN400 Weld Neck Flange Standard


DIN 2501 Flange Standard

DIN 2628 PN250 Weld Neck Flanges Bolt Dimensions


DIN 2628 PN250 Weld Neck Flanges Bolt Dimensions
Size in (Inches) Size in (Millimeter) Number of Bolts Bolt Size Of UNC Length Of RF Stud Size Of ISO Stud Length Of Machine Bolts
Class 150 Flange
1/2 15 4 1/2 55 M14 50
3/4 20 4 1/2 65 M14 50
1 25 4 1/2 65 M14 55
1 1/4 32 4 1/2 70 M14 55
1 1/2 40 4 1/2 70 M14 65
2 50 4 5/8 85 M16 70
2 1/2 65 4 5/8 90 M16 75
3 80 4 5/8 90 M16 75
3 1/2 90 8 5/8 90 M16 75
4 100 8 5/8 90 M16 75
5 125 8 3/4 95 M20 85
6 150 8 3/4 100 M20 85
8 200 8 3/4 110 M20 90
10 250 12 7/8 115 M24 100
12 300 12 7/8 120 M24 100
14 350 12 1 135 M27 115
16 400 16 1 135 M27 115
18 450 16 1 1/8 145 M30 125
20 500 20 1 1/8 160 M30 140
24 600 20 1 1/4 170 M33 150

Size in (Inches) Size in (Millimeter) Number of Bolts Bolt Size Of UNC Length Of RF Stud Size Of ISO Stud Length Of Machine Bolts
Class 300 Flange
1/2 15 4 1/2 65 M14 55
3/4 20 4 5/8 75 M16 65
1 25 4 5/8 75 M16 65
1 1/4 32 4 5/8 85 M16 70
1 1/2 40 4 3/4 90 M20 75
2 50 8 5/8 90 M16 75
2 1/2 65 8 3/4 100 M20 85
3 80 8 3/4 110 M20 90
3 1/2 90 8 3/4 110 M20 95
4 100 8 3/4 115 M20 95
5 125 8 3/4 120 M20 110
6 150 12 3/4 120 M20 110
8 200 12 7/8 140 M24 120
10 250 16 1 160 M27 140
12 300 16 1 1/8 170 M30 145
14 350 20 1 1/8 180 M30 160
16 400 20 1 1/4 190 M33 165
18 450 24 1 1/4 195 M33 170
20 500 24 1 1/4 205 M33 185
24 600 24 1 1/2 230 M39 205

DIN 2629 PN320 Flanges 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