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ANSI B16.47 Ser. B Class 75 Flanges

elbow-90

Series B 75 Weld Neck Flange

graph-buttweld-90

Series B 75 Blind Flange

Thickness Drilling Weight
Nom Size OD Weld Neck Blind OD of RF Dia at Base Bore LTH Dia Bevel Bolt Circle Bolt Length Hole Dia  # of Holes Weld Neck Blind
O C C R X B Y A (1) (2)
26 30 1.25 1.25 27.75 26.62 flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges 2.25 26.06 28.5 4.5 0.75 36 80 255
28 32 1.25 1.25 29.75 28.62 2.38 28.06 30.5 4.5 0.75 40 85 290
30 34 1.25 1.25 31.75 30.62 2.5 30.06 32.5 4.5 0.75 44 90 330
32 36 1.32 1.38 33.75 32.62 2.69 32.06 34.5 4.75 0.75 48 105 390
34 38 1.32 1.44 35.75 34.62 2.82 34.06 36.5 4.75 0.75 52 110 430
36 40.69 1.38 1.61 38 36.81 3.32 36.06 39.06 5.25 0.88 40 145 518
38 42.69 1.44 1.69 40 38.81 3.44 38.06 41.06 5.5 0.88 40 160 595
40 44.69 1.44 1.69 42 40.81 3.57 40.06 43.06 5.5 0.88 44 170 760
42 46.69 1.5 1.82 44 42.81 3.69 42.06 45.06 5.5 0.88 48 185 895
44 49.25 1.63 1.88 46.25 44.88 4.07 44.06 47.38 6 1 36 230 1065
46 51.25 1.69 1.94 48.25 46.88 4.19 46.06 49.38 6.25 1 40 245 1185
48 53.25 1.75 2.07 50.25 48.88 4.32 48.06 51.38 6.5 1 44 270 1315
50 55.25 1.82 2.13 52.25 50.94 4.5 50.06 53.38 6.5 1 44 290 1505
52 57.38 1.82 2.19 54.25 52.94 4.69 52.06 55.5 6.75 1 48 310 1665
54 59.38 1.88 2.32 56.25 55 4.88 54.06 57.5 6.75 1 48 340 1840
56 62 1.94 2.38 58.5 57.12 5.25 56.06 59.88 7.25 1.12 40 400 2110
58 64 2 2.44 60.5 59.12 5.38 58.06 61.88 7.25 1.12 44 430 2300
60 66 2.13 2.57 62.5 61.12 5.63 60.06 63.88 7.75 1.12 44 475 2500

Dimensions are in inches. Weights are in pounds.

(a) - Bolt lenghts are calculated based on bolting one WN to one Blind.
(b) - Bolt diameter should be 1/8" less than the bolt hole diameter.
Notes:
Larger sizes as well as intermediate sizes can be furnished.

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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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What Is Flange?

A flange is an external or internal ridge, or rim (lip), for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera; or for a flange of a rail car or tram wheel. Thus flanged wheels are wheels with a flange on one side to keep the wheels from running off the rails. The term "flange" is also used for a kind of tool used to form flanges. Pipes with flanges can be assembled and disassembled easily. read more

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