Class 150 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 # of Holes 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 3.5 0.44 1.38 1.25 1.5 3.5 4 0.62 2.38 1.5 1.25 0.75 ½  2 ¼ 2 ¾ 3 0.3 5 0.4 21 2.7 9
 ¾ 0.75 0.74 3.88 0.5 1.69 1.62 1.88 3.88 4 0.62 2.75 1.88 1.62 0.75 ½  2 ½ 3 5 0.5 7 0.7 27 3.2 9
1 1 0.96 4.25 0.56 2 2 2.25 4.25 4 0.62 3.12 2.25 2 0.75 ½   2 ½ 3 7 0.7 10 0.9 30 3.8 9
1 ¼ 1.25 1.28 4.62 0.62 2.5 2.38 2.62 4.62 4 0.62 3.5 2.62 2.38 0.75 ½  2 ¾ 3 ¼ 10 0.9 12 1.2 36 4.4 9
1 ½ 1.5 1.5 5 0.69 2.88 2.62 3 5 4 0.62 3.88 3 2.62 0.75 ½   2 ¾ 3 ¼ 12 1 16 1.5 41 5.1 9
2 2 1.94 6 0.75 3.62 3.06 3.69 6 4 0.75 4.75 3.69 3.06 0.88 ⅝  3 ¼ 3 ¾ 15 1.2 23 2.2 57 7.1 9
2 ½ 2.5 2.32 7 0.88 4.12 3.75 4.44 7 4 0.75 5.5 4.44 3.75 0.88 ⅝  3 ½ 4 22 1.7 34 3.2 79 10 9
3 3 2.9 7.5 0.94 5 4.25 4.94 7.5 4 0.75 6 4.94 4.25 0.88 ⅝  3 ½ 4 ¼ 25 2 38 3.6 86 11 9
3 ½ 3.5 3.36 8.5 0.94 5.5 4.88 5.94 8.5 8 0.75 7 5.94 4.88 0.88 ⅝  3 ½ 4 ¼ 32 2.6 55 5.3 110 13 9
4 4 3.83 9 0.94 6.19 5.5 6.44 9 8 0.75 7.5 6.44 5.5 0.88 ⅝  3 ½ 4 ¼ 47 3.2 78 6 164 14 12
5 5 4.81 10 0.94 7.31 6.50 7.25 10 8 0.88 8.5 7.25 6.50 1 ¾   3 ¾ 4 ½ 57 3.8 87 6.50 189 17 12
6 6 5.76 11 1 8.5 7.75 8.25 11 8 0.88 9.5 8.25 7.75 1 ¾   4 4 ½ 75 5.4 103 7.8 216 19 12
8 8 7.62 13.5 1.12 10.62 9.75 10.5 13.5 8 0.88 11.75 10.5 9.75 1 ¾   4 ¼ 4 ¾ 102 6.9 157 11 292 26 12
10 10 9.56 16 1.19 12.75 12 12.81 16 12 1 14.25 12.81 12 1.12 ⅞  4 ¾ 5 ¼ 143 9.8 214 16 382 35 12
12 12 11.38 19 1.25 15 14.38 15.56 19 12 1 17 15.56 14.38 1.12 ⅞  4 ¾ 5 ½ 205 14 329 25 535 48 12
14 14 14 21 1.38 16.25 16 17.12 21 12 1.12 18.75 17.12 16 1.25 1 5 ¼ 6 211 13 296 22 585 55 12
16 16 16 23.5 1.44 18.5 18 19.62 23.5 16 1.12 21.25 19.62 18 1.25 1 5 ½ 6 246 15 388 29 714 66 12
18 18 18 25 1.56 21 20 20.94 25 16 1.25 22.75 20.94 20 1.38 1  ⅛ 6 6 ½ 270 17 362 25 711 67 12
20 20 20 27.5 1.69 23 22 23.19 27.5 20 1.25 25 23.19 22 1.38 1  ⅛ 6 ¼ 7 311 19 434 31 840 79 12
24 24 24 32 1.88 27.25 26.25 27.5 32 20 1.38 29.5 27.5 26.25 1.5 1  ¼ 7 7 ¾ 423 25 574 40 1046 100 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