Quality Products

Class 900 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 4.75 0.88 1.38 1.56 2 4.75 4 0.88 3.25 2 1.56 1 ¾   4 ¼ 4 ¼ 8 0.5 10 0.8 37 5 9
 ¾ 0.75 0.74 5.12 1 1.69 1.81 2.25 5.12 4 0.88 3.5 2.25 1.81 1 ¾   4 ½ 4 ½ 10 0.6 13 1 42 5.7 9
1 1 0.96 5.88 1.12 2 2.12 2.56 5.88 4 1 4 2.56 2.12 1.12 ⅞  5 5 13 0.8 17 1.3 54 7.5 9
1 ¼ 1.25 1.28 6.25 1.12 2.5 2.5 2.94 6.25 4 1 4.38 2.94 2.5 1.12 ⅞  5 5 17 1 20 1.6 61 8.3 9
1 ½ 1.5 1.5 7 1.25 2.88 2.75 3.25 7 4 1.12 4.88 3.25 2.75 1.25 1 5 ½ 5 ½ 21 1.2 26 1.9 77 10 9
2 2 1.94 8.5 1.5 3.62 4.12 5.06 8.5 8 1 6.5 5.06 4.12 1.12 ⅞  5 ¾ 5 ¾ 42 2.9 56 4.9 115 15 9
2 ½ 2.5 2.32 9.62 1.62 4.12 4.88 5.88 9.62 8 1.12 7.5 5.88 4.88 1.25 1 6 ¼ 6 ¼ 56 3.9 75 6.5 144 19 9
3 3 2.9 9.5 1.5 5 5 6.06 9.5 8 1 7.5 6.06 5 1.12 ⅞  5 ¾ 5 ¾ 51 3.6 71 6.3 139 18 9
4 4 3.83 11.5 1.75 6.19 6.25 7.44 11.5 8 1.25 9.25 7.44 6.25 1.38 1 ⅛  6 ¾ 6 ¾ 93 5.1 133 9.1 270 26 12
5 5 4.81 13.75 2 7.31 7.5 9 13.75 8 1.38 11 9 7.5 1.5 1 ¼ 7 ½ 7 ½ 135 7 194 13 376 37 12
6 6 5.76 15 2.19 8.5 9.25 10.69 15 12 1.25 12.5 10.69 9.25 1.38 1 ⅛ 7 ½ 7 ¾ 191 11 259 18 436 42 12
8 8 7.62 18.5 2.5 10.62 11.75 13.31 18.5 12 1.5 15.5 13.31 11.75 1.62 1 3/8 8 ¾ 8 ¾ 297 16 389 27 626 62 12
10 10 9.56 21.5 2.75 12.75 14.5 16.31 21.5 16 1.5 18.5 16.31 14.5 1.62 1 3/8 9 ¼ 9 ¼ 422 25 558 39 824 81 12
12 12 11.38 24 3.12 15 16.5 18.81 24 20 1.5 21 18.81 16.5 1.62 1 3/8 10    10 518 29 715 50 984 96 12
14 14 14 25.25 3.38 16.25 17.75 19.62 25.25 20 1.62 22 19.62 17.75 1.75 1 ½ 10 ¾ 11 624 26 817 42 1368 98 16
16 16 16 27.75 3.5 18.5 20 21.69 27.75 20 1.75 24.25 21.69 20 1.88 1 ⅝ 11 ¼ 11 ½ 750 32 942 48 1573 114 16
18 18 18 31 4 21 22.25 24.06 31 20 2 27 24.06 22.25 2.12 1 ⅞ 12 ¾ 13 ¼ 950 38 1169 57 1898 142 16
20 20 20 33.75 4.25 23 24.5 26.38 33.75 20 2.12 29.5 26.38 24.5 2.25 2 13 ¾ 14 ¼ 1121 43 1378 66 2182 164 16
24 24 24 41 5.5 27.25 29.5 31.62 41 20 2.62 35.5 31.62 29.5 2.75 2 ½ 17 ¼ 18 1865 65 2160 94 3084 246 16

Dimensions are in inches. Weights are in pounds.

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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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