ANSI B16.47 Series A Class 150 Flanges

elbow-90

Series A 150 Weld Neck Flange

graph-buttweld-90

Series A 150 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 HoleDia #  of Holes Weld Neck Blind
O C C R X B Y A (1) (2)
26 34.25 2.63 2.63 29.5 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 4.69 26 31.75 8.75 1.38 24 300 702
28 36.5 2.75 2.75 31.5 28.62 4.88 28 34 9 1.38 28 345 833
30 38.75 2.88 2.88 33.75 30.75 5.32 30 36 9.25 1.38 28 400 982
32 41.75 3.13 3.13 36 32.75 5.63 32 38.5 10.5 1.62 28 505 1237
34 43.75 3.19 3.19 38 34.75 5.82 34 40.5 10.5 1.62 32 540 1384
36 46 3.5 3.5 40.25 36.75 6.13 36 42.75 11 1.62 32 640 1676
38 48.75 3.38 3.38 42.25 39 6.13 38 45.25 11 1.62 32 720 1819
40 50.75 3.5 3.5 44.25 41 6.38 40 47.25 11 1.62 36 775 2040
42 53 3.75 3.75 47 43 6.69 42 49.5 11.5 1.62 36 890 2381
44 55.25 3.94 3.94 49 45 6.94 44 51.75 12 1.62 40 990 2717
46 57.25 4 4 51 47.12 7.25 46 53.75 12 1.62 40 1060 2961
48 59.5 4.19 4.19 53.5 49.12 7.5 48 56 12.5 1.62 44 1185 3348
50 61.75 4.32 4.32 55.5 51.25 7.94 50 58.25 13.25 1.88 44 1270 3716
52 64 4.5 4.5 57.5 53.25 8.19 52 60.5 13.75 1.88 44 1410 4156
54 66.25 4.69 4.69 59.5 55.25 8.44 54 62.75 14 1.88 44 1585 4639
56 68.75 4.82 4.82 62 57.38 8.94 56 65 14.25 1.88 48 1760 5132
58 71 5 5 64 59.38 9.19 58 67.25 14.75 1.88 48 1915 5675
60 73 5.13 5.13 66 61.38 9.38 60 69.25 15 1.88 52 2045 6154

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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