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Industry Standard Class 350 Welding Neck Flanges
Industry Standard Class 350 Flanges
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- All dimensions are in inches.
- These flanges will be furnished with a 1/16" raised face unless otherwise specified.
- Flat face option available.
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Item # |
Nominal Pipe Size |
Outside Diameter (O) |
Thickness (T) |
Raised Face Diameter (R) |
Length Thru Hub (Y) |
Base of Hub Diameter (X) |
Diameter of Hub at Bevel (A) |
Approximate Weight |
Bolt Circle (C) |
Number of Holes |
Diameter of Bolt Holes |
---|---|---|---|---|---|---|---|---|---|---|---|
26350WNIS | Nominal Pipe Size N/A 26 | Outside Diameter (O) N/A 32.75 in | Thickness (T) N/A 2.50 in | Raised Face Diameter (R) N/A 29.50 in | Length Thru Hub (Y) N/A 5.00 in | Base of Hub Diameter (X) N/A 27.88 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 245 lb | Bolt Circle (C) N/A 30.63 in | Number of Holes N/A 28 | Diameter of Bolt Holes N/A 1.13 in |
28350WNIS | Nominal Pipe Size N/A 28 | Outside Diameter (O) N/A 34.75 in | Thickness (T) N/A 2.50 in | Raised Face Diameter (R) N/A 31.50 in | Length Thru Hub (Y) N/A 5.00 in | Base of Hub Diameter (X) N/A 29.88 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 260 lb | Bolt Circle (C) N/A 32.63 in | Number of Holes N/A 28 | Diameter of Bolt Holes N/A 1.13 in |
30350WNIS | Nominal Pipe Size N/A 30 | Outside Diameter (O) N/A 37.00 in | Thickness (T) N/A 2.63 in | Raised Face Diameter (R) N/A 33.75 in | Length Thru Hub (Y) N/A 5.25 in | Base of Hub Diameter (X) N/A 32.13 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 305 lb | Bolt Circle (C) N/A 34.88 in | Number of Holes N/A 32 | Diameter of Bolt Holes N/A 1.13 in |
32350WNIS | Nominal Pipe Size N/A 32 | Outside Diameter (O) N/A 39.00 in | Thickness (T) N/A 2.75 in | Raised Face Diameter (R) N/A 35.75 in | Length Thru Hub (Y) N/A 5.50 in | Base of Hub Diameter (X) N/A 34.13 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 340 lb | Bolt Circle (C) N/A 36.88 in | Number of Holes N/A 36 | Diameter of Bolt Holes N/A 1.13 in |
34350WNIS | Nominal Pipe Size N/A 34 | Outside Diameter (O) N/A 41.00 in | Thickness (T) N/A 2.88 in | Raised Face Diameter (R) N/A 37.75 in | Length Thru Hub (Y) N/A 5.75 in | Base of Hub Diameter (X) N/A 36.13 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 375 lb | Bolt Circle (C) N/A 38.88 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.13 in |
36350WNIS | Nominal Pipe Size N/A 36 | Outside Diameter (O) N/A 43.75 in | Thickness (T) N/A 3.13 in | Raised Face Diameter (R) N/A 40.25 in | Length Thru Hub (Y) N/A 6.13 in | Base of Hub Diameter (X) N/A 38.50 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 480 lb | Bolt Circle (C) N/A 41.50 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.25 in |
38350WNIS | Nominal Pipe Size N/A 38 | Outside Diameter (O) N/A 45.75 in | Thickness (T) N/A 3.13 in | Raised Face Diameter (R) N/A 42.25 in | Length Thru Hub (Y) N/A 6.13 in | Base of Hub Diameter (X) N/A 40.50 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 510 lb | Bolt Circle (C) N/A 43.50 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.25 in |
40350WNIS | Nominal Pipe Size N/A 40 | Outside Diameter (O) N/A 47.75 in | Thickness (T) N/A 3.25 in | Raised Face Diameter (R) N/A 44.25 in | Length Thru Hub (Y) N/A 6.25 in | Base of Hub Diameter (X) N/A 42.50 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 540 lb | Bolt Circle (C) N/A 45.50 in | Number of Holes N/A 44 | Diameter of Bolt Holes N/A 1.25 in |
42350WNIS | Nominal Pipe Size N/A 42 | Outside Diameter (O) N/A 50.00 in | Thickness (T) N/A 3.50 in | Raised Face Diameter (R) N/A 46.50 in | Length Thru Hub (Y) N/A 6.50 in | Base of Hub Diameter (X) N/A 44.75 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 640 lb | Bolt Circle (C) N/A 47.75 in | Number of Holes N/A 48 | Diameter of Bolt Holes N/A 1.25 in |
44350WNIS | Nominal Pipe Size N/A 44 | Outside Diameter (O) N/A 52.75 in | Thickness (T) N/A 3.75 in | Raised Face Diameter (R) N/A 48.88 in | Length Thru Hub (Y) N/A 6.75 in | Base of Hub Diameter (X) N/A 46.75 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 760 lb | Bolt Circle (C) N/A 50.25 in | Number of Holes N/A 44 | Diameter of Bolt Holes N/A 1.38 in |
46350WNIS | Nominal Pipe Size N/A 46 | Outside Diameter (O) N/A 54.75 in | Thickness (T) N/A 4.25 in | Raised Face Diameter (R) N/A 50.88 in | Length Thru Hub (Y) N/A 7.25 in | Base of Hub Diameter (X) N/A 48.75 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 880 lb | Bolt Circle (C) N/A 52.25 in | Number of Holes N/A 48 | Diameter of Bolt Holes N/A 1.38 in |
48350WNIS | Nominal Pipe Size N/A 48 | Outside Diameter (O) N/A 56.75 in | Thickness (T) N/A 4.25 in | Raised Face Diameter (R) N/A 52.88 in | Length Thru Hub (Y) N/A 7.25 in | Base of Hub Diameter (X) N/A 50.75 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 920 lb | Bolt Circle (C) N/A 54.25 in | Number of Holes N/A 48 | Diameter of Bolt Holes N/A 1.38 in |
52350WNIS | Nominal Pipe Size N/A 52 | Outside Diameter (O) N/A 61.50 in | Thickness (T) N/A 4.25 in | Raised Face Diameter (R) N/A 57.25 in | Length Thru Hub (Y) N/A 7.50 in | Base of Hub Diameter (X) N/A 55.00 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 1075 lb | Bolt Circle (C) N/A 58.75 in | Number of Holes N/A 52 | Diameter of Bolt Holes N/A 1.50 in |
54350WNIS | Nominal Pipe Size N/A 54 | Outside Diameter (O) N/A 63.50 in | Thickness (T) N/A 4.50 in | Raised Face Diameter (R) N/A 59.25 in | Length Thru Hub (Y) N/A 7.75 in | Base of Hub Diameter (X) N/A 57.00 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 1200 lb | Bolt Circle (C) N/A 60.75 in | Number of Holes N/A 52 | Diameter of Bolt Holes N/A 1.50 in |
60350WNIS | Nominal Pipe Size N/A 60 | Outside Diameter (O) N/A 69.50 in | Thickness (T) N/A 4.50 in | Raised Face Diameter (R) N/A 65.25 in | Length Thru Hub (Y) N/A 8.00 in | Base of Hub Diameter (X) N/A 63.00 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 1325 lb | Bolt Circle (C) N/A 66.75 in | Number of Holes N/A 60 | Diameter of Bolt Holes N/A 1.50 in |
66350WNIS | Nominal Pipe Size N/A 66 | Outside Diameter (O) N/A 77.00 in | Thickness (T) N/A 4.00 in | Raised Face Diameter (R) N/A 72.38 in | Length Thru Hub (Y) N/A 8.50 in | Base of Hub Diameter (X) N/A 70.00 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 1675 lb | Bolt Circle (C) N/A 74.00 in | Number of Holes N/A 60 | Diameter of Bolt Holes N/A 1.63 in |
72350WNIS | Nominal Pipe Size N/A 72 | Outside Diameter (O) N/A 83.00 in | Thickness (T) N/A 4.00 in | Raised Face Diameter (R) N/A 78.38 in | Length Thru Hub (Y) N/A 9.00 in | Base of Hub Diameter (X) N/A 76.00 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 1850 lb | Bolt Circle (C) N/A 80.00 in | Number of Holes N/A 72 | Diameter of Bolt Holes N/A 1.63 in |
84350WNIS | Nominal Pipe Size N/A 84 | Outside Diameter (O) N/A 96.50 in | Thickness (T) N/A 5.00 in | Raised Face Diameter (R) N/A 91.25 in | Length Thru Hub (Y) N/A 10.00 in | Base of Hub Diameter (X) N/A 89.00 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 2950 lb | Bolt Circle (C) N/A 93.25 in | Number of Holes N/A 80 | Diameter of Bolt Holes N/A 1.75 in |
96350WNIS | Nominal Pipe Size N/A 96 | Outside Diameter (O) N/A 109.25 in | Thickness (T) N/A 6.25 in | Raised Face Diameter (R) N/A 103.88 in | Length Thru Hub (Y) N/A 11.25 in | Base of Hub Diameter (X) N/A 101.25 in | Diameter of Hub at Bevel (A) N/A Specified by purchaser | Approximate Weight N/A 4250 lb | Bolt Circle (C) N/A 105.75 in | Number of Holes N/A 84 | Diameter of Bolt Holes N/A 1.88 in |