SERIES B

ASME B16.47 Class 600 Series B Welding Neck Flanges

SPECIFICATIONS




▪ All dimensions are in inches
▪ 1/4" raised face will be added to the thickness and overall
  length 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 35.00  4.38  28.62  7.12  27.50  0.50  26 Specified
by purchaser		 550 31.75  28 1.75 
28 37.50  4.56  30.88  7.50  29.62  0.50  28 Specified
by purchaser		 650 34.00  28 1.88 
30 40.25  4.94  33.12  8.06  31.75  0.50  30 Specified
by purchaser		 810 36.50  28 2.00 
32 42.75  5.12  35.25  8.50  33.88  0.50  32 Specified
by purchaser		 950 38.75  28 2.12 
34 45.75  5.56  37.50  9.19  36.00  0.56  34 Specified
by purchaser		 1205 41.50  24 2.38 
36 47.75  5.75  39.75  9.56  38.12  0.56  36 Specified
by purchaser		 1340 43.50  28 2.38