Class 300 Standard Connection Flanges

elbow-90

Long Weld Neck "LWN"

graph-buttweld-90

Heavy Barrel "HB"

graph-buttweld-90

Equal Barrel "E"

Size     Flange     Barrel OD     Bolting     Nut     Stud Bolt     Weights           Length
Nom Bore LWN & E Bore HB OD Thk RF of OD LWN HB E # ofHoles Hole Size Bolt Circle Stop Dia Relief Dia Relief Length Size RF Length RTJ Length LWN   HB   E   Base
  B  B O  T R  D D D     C NS NR NL       Base Per  1" Base Per  1" Base Per  1" L 
  ½ 0.5 0.55 3.75 0.56 1.38 1.5 1.75 3.75 4 0.62 2.62 1.75 1.5 0.75 ½   2 ½ 3    5 0.4 7 0.6 24 3.1 9
  ¾ 0.75 0.74 4.62 0.62 1.69 1.88 2.19 4.62 4 0.75 3.25 2.19 1.88 0.88 ⅝  3    3 ½ 9 0.7 11 0.9 37 4.6 9
1 1 0.96 4.88 0.69 2 2.12 2.44 4.88 4 0.75 3.5 2.44 2.12 0.88 ⅝  3 ¼ 3 ½ 9 0.8 12 1.1 40 5.1 9
1 ¼ 1.25 1.28 5.25 0.75 2.5 2.5 2.81 5.25 4 0.75 3.88 2.81 2.5 0.88 ⅝  3 ¼ 3 ¾ 13 1 15 1.4 45 5.8 9
1 ½ 1.5 1.5 6.12 0.81 2.88 2.75 3.25 6.12 4 0.88 4.5 3.25 2.75 1 ¾   3 ½ 4    15 1.2 21 1.9 61 7.8 9
2 2 1.94 6.5 0.88 3.62 3.31 3.94 6.5 8 0.75 5 3.94 3.31 0.88 ⅝  3 ½ 4 ¼ 20 1.5 28 2.6 68 8.5 9
2 ½ 2.5 2.32 7.5 1 4.12 3.94 4.62 7.5 8 0.88 5.88 4.62 3.94 1 ¾   4    4 ½ 25 2.1 38 3.6 89 11 9
3 3 2.9 8.25 1.12 5 4.62 5.38 8.25 8 0.88 6.62 5.38 4.62 1 ¾   4 ¼ 5    35 2.7 49 4.6 106 13 9
3 ½ 3.5 3.36 9 1.19 5.5 5.25 6 9 8 0.88 7.25 6 5.25 1 ¾   4 ¼ 5    42 3.4 59 5.5 122 15 9
4 4 3.83 10 1.25 6.19 5.75 6.62 10 8 0.88 7.88 6.62 5.75 1 ¾   4 ½ 5 ¼ 62 3.8 91 6.5 207 19 12
5 5 4.81 11 1.38 7.31 7 8 11 8 0.88 9.25 8 7 1 ¾   4 ¾ 5 ¼ 84 5.3 124 9.1 241 21 12
6 6 5.76 12.5 1.44 8.5 8.12 9.38 12.5 12 0.88 10.62 9.38 8.12 1 ¾   4 ¾ 5 ¾ 105 6.7 165 12 303 27 12
8 8 7.62 15 1.62 10.62 10.25 11.56 15 12 1 13 11.56 10.25 1.12 7/8  5 ½ 6 ¼ 148 9.1 228 17 405 36 12
10 10 9.56 17.5 1.88 12.75 12.62 13.62 17.5 16 1.12 15.25 13.62 12.62 1.25 1 6 ¼ 7 ¼ 210 13 291 21 499 46 12
12 12 11.38 20.5 2 15 14.75 15.94  20.5 16 1.25 17.75 15.94 14.75 1.38 1 ⅛  6 ¾ 7 ½ 275 16 392 28 651 61 12
14 14 14 23 2.12 16.25 16.75 18.44 23 20 1.25 20.25 18.44 16.75 1.38 1 ⅛  7    7 ¾ 324 19 456 32 785 74 12
16 16 16 25.5 2.25 18.5 19 20.5 25.5 20 1.38 22.5 20.5 19 1.5 1 ¼   7 ½ 8 ½ 404 23 529 37 914 88 12
18 18 18 28 2.38 21 21 22.75 28 24 1.38 24.75 22.75 21 1.5 1 ¼   7 ¾ 8 ¼ 465 26 630 43 1066 102 12
20 20 20 30.5 2.5 23 23.12 25 30.5 24 1.38 27 25 23.12 1.5 1 ¼   8 ¼ 9 ¼ 549 30 741 50 1228 118 12
24 24 24 36 2.75 27.25 27.62 29.62 36 24 1.62 32 29.62 27.62 1.75 1 ½   9 ¼ 10 ¼ 778 42 1016 67 1627 160 12

Dimensions are in inches. Weights are in pounds.

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City We Supply CS Flanges in India
Mumbai Chennai
Hyderabad Kolkata
Pune Ahmedabad
Jaipur Surat
Salem Gandhinagar
Tiruppur Sivakasi
Jamnagar Thiruvananthapuram
Rajahmundry Firozabad
Bokaro Steel City Rajkot
Bharuch Panna
Raipur Cochin
Ludhiana Panipat
Durgapur Peenya
Pimpri-Chinchwad Channapatna
Kharagpur Bareilly
Haldia Rourkela
Bangalore Moradabad
Indore Trivandrum
Pithampur Dibrugarh
Angul Gwalior
Kannur Nagpur
Vadodara Rudrapur
Noida Bhagalpur
Jamshedpur Bhilai
Lucknow kanpur
Thane Bhopal
Coimbatore Visakhapatnam
Varanasi

About Company

In the lifeline of industries, our fittings make sure pipeline in fact life lines of our industries are in perfect fit always. we at Quality Forge & Fitting always strive to make fittings & flanges that are excellent in quality,rich in material content and made to perfection that will last forever.

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  • PSA Quality Certification Ltd

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+91 22 6639 4542 | +91 9619 352 777

4/9th Khetwadi Lane,
Pavapuri Co-operative Hsg.Soc.Ltd,
Mumbai - 400 004

qualityforge@gmail.com
info@qualityforge.net

Types of Flanges

Country We export Carbon Steel Flanges

Country We export Carbon Steel Flanges

Cities we supply CS Flanges

Cities we supply CS Flanges

Cities we supply CS Flanges

Cities we supply CS Flanges