SERIES B

ASME B16.47 Class 150 Series B Welding Neck Flanges

SPECIFICATIONS




▪ All dimensions are in inches
▪ These flanges will be supplied with a 1/16" raised face
  unless otherwise specified
▪ Flat face option available
Nominal
Pipe Size		 Outside
Diameter 		 Minimum
Thickness 		 Raised Face
Diameter		 Length
Thru Hub		 Hub
Diameter 		 Minimum
Fillet Radius 		 Top of
Hub		 Bore Approximate
Weight 		 Bolt
Circle		 Number
of Holes		 Diameter
of Holes
(O) (T)  (R)  (Y) (X)  (r) (A)  (B) (lbs)  (C)
26 30.94 1.62 28 3.5 26.94 0.38 26.06 Specified
by purchaser		 120 29.31 36 0.88
28 32.94 1.75 30 3.75 28.94 0.38 28.06 Specified
by purchaser		 140 31.31 40 0.88
30 34.94 1.75 32 3.94 31 0.38 30.06 Specified
by purchaser		 150 33.31 44 0.88
32 37.06 1.81 34 4.25 33.06 0.38 32.06 Specified
by purchaser		 170 35.44 48 0.88
34 39.56 1.94 36.25 4.34 35.12 0.38 34.06 Specified
by purchaser		 210 37.69 40 1
36 41.62 2.06 38.25 4.62 37.19 0.38 36.06 Specified
by purchaser		 240 39.75 44 1
38 44.25 2.12 40.25 4.88 39.25 0.38 38.12 Specified
by purchaser		 290 42.12 40 1.12
40 46.25 2.19 42.5 5.06 41.31 0.38 40.12 Specified
by purchaser		 310 44.12 44 1.12
42 48.25 2.31 44.5 5.25 43.38 0.44 42.12 Specified
by purchaser		 345 46.12 48 1.12
44 50.25 2.38 46.5 5.38 45.38 0.44 44.12 Specified
by purchaser		 370 48.12 52 1.12
46 52.81 2.44 48.62 5.69 47.44 0.44 46.12 Specified
by purchaser		 435 50.56 40 1.25
48 54.81 2.56 50.75 5.88 49.5 0.44 48.12 Specified
by purchaser		 480 52.56 44 1.25
50 56.81 2.69 52.75 6.06 51.5 0.44 50.12 Specified
by purchaser		 520 54.56 48 1.25
52 58.81 2.75 54.75 6.19 53.56 0.44 52.12 Specified
by purchaser		 550 56.56 52 1.25
54 61 2.81 56.75 6.38 55.62 0.44 54.12 Specified
by purchaser		 620 58.75 56 1.25
56 63 2.88 58.75 6.56 57.69 0.56 56.12 Specified
by purchaser		 650 60.75 60 1.25
58 65.94 2.94 60.75 6.88 59.69 0.56 58.12 Specified
by purchaser		 780 63.44 48 1.38
60 67.94 3 63 7.06 61.81 0.56 60.12 Specified
by purchaser		 850 65.44 52 1.38