Class 400 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 3    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 ½ 3 ½ 8 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 ½ 3 ½ 9 0.8 12 1.1 40 5.1 9
1 ¼ 1.25 1.28 5.25 0.81 2.5 2.5 2.81 5.25 4 0.75 3.88 2.81 2.5 0.88   ⅝; 3 ¾ 3 ¾ 13 1 15 1.4 45 5.8 9
1 ½ 1.5 1.5 6.12 0.88 2.88 2.75 3.25 6.12 4 0.88 4.5 3.25 2.75 1   ¾ 4 ¼ 4 ¼ 16 1.2 21 1.9 61 7.8 9
2 2 1.94 6.5 1 3.62 3.31 3.94 6.5 8 0.75 5 3.94 3.31 0.88   ⅝ 4 ¼ 4 ¼ 20 1.5 29 2.6 68 8.5 9
2 ½ 2.5 2.32 7.5 1.12 4.12 3.94 4.63 7.5 8 0.88 5.88 4.63 3.94 1   ¾ 4 ¾ 4 ¾ 27 2.1 39 3.6 88 11 9
3 3 2.9 8.25 1.25 5 4.62 5.38 8.25 8 0.88 6.62 5.38 4.62 1   ¾ 5    5    36 2.7 50 4.6 104 13 9
3 ½ 3.5 3.36 9 1.38 5.5 5.25 5.81 9 8 1 7.25 5.81 5.25 1.12   ⅞ 5 ½ 5 ½ 45 3.4 61 5.5 116 15 9
4 4 3.83 10 1.38 6.19 5.75 6.44 10 8 1 7.88 6.44 5.75 1.12   ⅞ 5 ½ 5 ½ 65 3.8 93 6.5 197 19 12
5 5 4.81 11 1.5 7.31 7 7.81 11 8 1 9.25 7.81 7 1.12   ⅞ 5 ¾ 5 ¾ 88 5.3 127 9.1 229 22 12
6 6 5.76 12.5 1.62 8.5 8.12 9.19 12.5 12 1 10.62 9.19 8.12 1.12   ⅞ 6 6    110 6.7 169 12 286 27 12
8 8 7.62 15 1.88 10.62 10.25 11.38 15 12 1.12 13 11.38 10.25 1.25 1    6 ¾ 6 ¾ 154 9.1 233 17 379 36 12
10 10 9.56 17.5 2.12 12.75 12.62 13.44 17.5 16 1.25 15.25 13.44 12.62 1.38 1 ⅛ 7 ½ 7 ½ 218 13 298 21 475 46 12
12 12 11.38 20.5 2.25 15 14.75 15.75 20.5 16 1.38 17.75 15.75 14.75 1.5 1 ¼ 8    8    285 16 401 28 627 62 12
14 14 14 23 2.38 16.25 16.75 18.25 23 20 1.38 20.25 18.25 16.75 1.5 1 ¼ 8 ¼ 8 ¼ 336 19 467 32 758 74 12
16 16 16 25.5 2.5 18.5 19 20.31 25.5 20 1.5 22.5 20.31 19 1.62 1 ⅜ 8 ¾ 8 ¾ 418 23 542 37 884 88 12
18 18 18 28 2.62 21 21 22.56 28 24 1.5 24.75 22.56 21 1.62 1 ⅜  9 9    482 26 645 43 1033 102 12
20 20 20 30.5 2.75 23 23.12 24.63 30.5 24 1.62 27 24.63 23.12 1.75 1 ½  9 ½ 9 ¾ 568 30 759 50 1165 118 12
24 24 24 36 3 27.62 27.62 29.25 36 24 1.88 32 29.25 27.62 2 1 ¾ 10 ½ 11    804 42 1040 67 1540 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