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DIN 2631 Flanges

Presenting our range of precisely engineered DIN flanges which is manufactured in compliance with international quality standards. These steel DIN flanges are cost efficient, highly durable and reliable. Our steel DIN flanges is extensively used in various industries like engineering, construction, chemical, power plant and many more. Available in different dimensions our product, DIN - Deutsches Institut fur Normung flanges can be availed at special specifications of bulk buyers. We ensure safe packaging and prompt delivery of the product.

PN 6
DN D1 D B K H1 D3 S R H2 D4 F No. of holes D2 KG
ISO DIN
10 - 14 75 12 50 28 22 1.8 4 6 35 2 4 11 0.34
  17.20 - 75 12 50 28 26 1.8 4 6 35 2 4 11 0.34
15 - 20.00 80 12 55 30 28 2 4 6 40 2 4 11 0.39
  21.30 - 80 12 55 30 30 2 4 6 40 2 4 11 0.40
20 - 25.00 90 14 65 32 35 2.3 4 6 50 2 4 11 0.60
  26.90 - 90 14 65 32 38 2.3 4 6 50 2 4 11 0.60
25 - 30.00 100 14 75 35 40 2.6 4 6 60 2 4 11 0.76
  33.70 - 100 14 75 35 42 2.6 4 6 60 2 4 11 0.75
32 - 38.00 120 14 90 35 50 2.6 6 6 70 2 4 14 1.07
  42.40 - 120 14 90 35 55 2.6 6 6 70 2 4 14 1.06
40 - 44.50 130 14 100 38 58 2.6 6 7 80 3 4 14 1.21
  46.30 - 130 14 100 38 62 2.6 6 7 80 3 4 14 1.20
50 - 57.00 140 14 110 38 70 2.9 6 8 90 3 4 14 1.37
  60.30 - 140 14 110 38 74 2.9 6 8 90 3 4 14 1.36
65 76.10 - 160 14 130 38 88 2.9 6 9 110 3 4 14 1.69
80 88.90 - 190 16 150 42 102 3.2 8 10 128 3 4 18 2.72
100 - 108.00 210 16 170 45 122 3.6 8 10 148 3 4 18 3.29
  114.30 - 210 16 170 45 130 3.6 8 10 148 3 4 18 3.22
125 - 133.00 240 18 200 48 148 4 8 10 178 3 8 18 4.58
  139.70 - 240 18 200 48 155 4 8 10 178 3 8 18 4.42
150 - 159.00 265 18 225 48 172 4.5 10 12 202 3 8 18 5.26
  158.30 - 265 18 225 48 184 4.5 10 12 202 3 8 18 5.04
200 219.10 - 320 20 280 55 236 5.9 10 15 258 3 8 18 7.95
250 - 267.00 375 22 335 60 282 6.3 12 15 312 3 12 18 11.16
  273.00 - 375 22 335 60 290 6.3 12 15 312 3 12 18 10.87
300 323.90 - 440 22 395 62 342 7.1 12 15 365 4 12 22 14.26
350 355.60 - 490 22 445 62 385 7.1 12 15 415 4 12 22 18.54
  - 368.00 490 22 445 62 385 7.1 12 15 415 4 12 22 16.78
400 406.60 - 540 22 495 65 438 7.1 12 15 465 4 16 22 21.25
  - 419.00 540 22 495 65 438 7.1 12 15 465 4 16 22 19.10
500 508.00 - 645 24 600 68 538 7.1 12 15 570 4 20 22 28.67
600 610.00 - 755 24 705 70 640 7.1 12 16 670 5 20 26 34.80
700 711.00 - 860 24 810 70 740 7.1 12 16 775 5 24 26 40.94
800 813.00 - 975 24 920 70 842 7.1 12 16 880 5 24 30 49.19
900 914.00 - 1075 26 1020 70 942 7.1 12 16 980 5 24 30 58.10
1000 1016.00 - 1175 26 1120 70 1045 7.1 16 16 1080 5 28 30 63.48
1200 1220.00 - 1405 28 1340 90 1248 8 16 20 1295 5 32 33 100.17
1400 1420.00 - 1630 32 1560 90 1452 8 16 20 1510 5 36 36 142.78
1600 1620.00 - 1830 34 1760 90 1655 9 16 20 1710 5 40 36 174.36
1800 1820.00 - 2045 36 1970 100 1855 10 16 20 1920 5 44 39 226.98
2000 2020.00 - 2265 38 2180 110 2058 11 16 25 2125 5 48 42 292.12
2200 2220.00 - 2475 42 2390 115 2260 12 18 25 2335 6 52 42 366.33
2400 2420.00 - 2685 44 2600 125 2462 13 18 25 2545 6 56 42 448.52
2600 2620.00 - 2905 46 2810 130 2665 14 18 25 2750 6 60 48 540.16
2800 2820.00 - 3115 48 3020 135 2865 15 18 30 2960 6 64 48 630.03
3000 3020.00 - 3315 50 3220 140 3068 16 18 30 3160 6 68 48 716.33
3200 3220.00 - 3525 54 3430 150 3272 16 20 30 3370 6 72 48 854.42
3400 3420.00 - 3735 46 3640 160 3475 18 20 35 3580 6 76 48 887.81
3600 3620.00 - 3970 60 3860 165 3678 18 20 35 3790 6 80 56 1202.43

Stainless steel Flanges ( product range)
WN – Welding Neck EN-TYPE 11
BL – Blind EN-TYPE 05
SO – Slip On EN-TYPE 01/12
LJ – Lap Joint EN-TYPE 02/04
SW – Socket Weld EN-TYPE 14
THR – Threaded EN-TYPE 13
LWN – Long Welding Neck / Integral EN-TYPE 21
Welding Collars EN-TYPE 32/34
ORIFICE Flanges, Swivel Flanges, Spades, Spacer Rings
Spectable Blinds, API 6A, JIS B2220, VSM, NFE, BS10/BS4504, GOST

GRADES:
Austenitic:
F304/304L 1.4301/1.4307 UNS S30403/S30400
F304H 1.4948 UNS S30409
F321/F321H 1.4541/1.4878 UNS S32100/S32109
F316/F316L 1.4401/1.4404 UNS S31603/S31600
F316L (MO+) 1.4435 UNS S31635
F316TI 1.4571 UNS S31635
F904L 1.4539 UNS N08904
F44 (254SMO®) 1.4547 UNS S31254
F310/F310S 1.4841/1.4845 UNS S31000/S31008
F347 (H) 1.4550 UNS S34700/S34709
F317L 1.4438 UNS S31703
F316H 1.4919 UNS S31609

Duplex & Super Duplex:
F51/F60 1.4462 UNS S31803
F53 1.4410 UNS S32750
F55 1.4501 UNS S32750

Nickel Alloys:
Alloy 800/800H 1.4876 UNS N08800/N08810
Monel 400 2.4360 UNS N04400
Alloy 600 2.4816 UNS N06600
Alloy 625 2.4856 UNS N06625
Alloy 825 2.4858 UNS N08825
Alloy C276 2.4819 UNS N10276
Alloy 59 2.4605 UNS N06059
Alloy C4 2.4610 UNS N06455
Alloy 22 2.4602 UNS N06022
Other Alloys available on request

Sizes according to ASME/ASTM B16.5 – B16.36 – B16.48
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″

Sizes according to DIN – EN1092-1 – EN1759-1 – NFE – BS10/BS4504 & ISO7005-1
PN2.5/PN06/PN10 up to DN800
PN16/PN25/PN40 up to DN600
PN63/PN100 up to DN500
PN160/PN250 up to DN300
PN320/PN400 up to DN200
API 6A Flanges
2000 PSI up to 20000 PSI
JIS B2220
5K up to 63K

SPECIFICATIONS & STANDARDS:
ASTM/ASME SA/A182 – ASME SA/A240 – ASME SB/B564
ASTM/ASME B16.5/B16.48/B16.36
EN 10222-1/EN10222- 5
EN 1092-1/EN 1759-1
DIN17440
BS 10/BS 4504 (British Standard)
JIS B2220 – NFE – GOST – VSM – API 6A
ISO 7005-1 – NORSOK L005

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  • Website : www.greatmetal.com
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Industries We Serve

  • Oil & Gas
  • Petrochemicals
  • Agro chemicals
  • Fire Safety Product
  • Shipping
  • Engineering
  • Dairy & Food Processing
  • pharmaceutical
  • Automobiles
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