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Flange - Expander, ANSI Class 300, B16.5 (in)

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  • Dimensions per ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
  • Bolt circle diameters are 1/8 inch larger than bolt diameter.

data expander b16.5 150300 16ADesign Type Adata expander b16.5 150300 16BDesign Type B
data expander b16.5 150300 16CDesign Type Cdata expander b16.5 150300 16CDesign Type D

Pipe Size

(NPS)

Outside

Diameter

of

Flange

A

Diameter

of

Raised

Face

B

Thickness

of

Flange


C

Diameter

of

Bore


D

Diameter

of

Bore


D2

Diameter

of Hub

at Weld


H

Diameter

of Hub

at Base


J

Length

of

Hub


K

Compound

Taper

 


CT

Slope

at

Bevel


SB

Number

of

Bolt

Holes

Diameter

of

Bolt

Holes

Bolt

Circle

Diameter


P

Approx.

Weight

(lb)

Design

Type

2 x 3 6 1/2 3 5/8 7/8 2.067 3.068 2.375 3 5/16 2 3/4 - 15° 8 3/4 5 9 A
2 x 4 6 1/2 3 5/8 7/8 2.067 4.026 2.375 3 5/16 2 3/4 1/2 29° * 8 3/4 5 9 C
3 x 4 8 1/4 5 1 1/8 3.068 4.026 3.500 4 5/8 3 1/8 - 13° 8 7/8 6 5/8 15 D
4 x 6 10 6 3/16 1 1/4 4.026 6.065 4.500 5 3/4 3 3/8 1/2 30° * 8 7/8 7 7/8 25 C
6 x 8 12 1/2 8 1/2 1 7/16 6.065 7.981 6.625 8 1/8 3 7/8 1/2 22° * 12 7/8 10 5/8 42 B
8 x 10 15 10 5/8 1 5/8 7.981 10.020 8.625 10 1/4 4 3/8 - 20° 12 1 13 67 A
10 x 12 17 1/2 12 3/4 1 7/8 10.020 12.000 10.750 12 5/8 4 5/8 - 20° 16 1 1/8 15 1/4 91 A
12 x 14 20 1/2 15 2 12.000 13.250 12.750 14 3/4 5 1/8 - 11° 16 1 1/4 17 3/4 138 D
14 x 16 23 16 1/4 2 1/8 13.250 15.250 14.000 16 3/4 5 5/8 - 16° 20 1 1/4 20 1/4 186 D
16 x 18 25 1/2 18 1/2 2 1/4 15.250 17.250 16.000 19 5 3/4 - 16° 20 1 3/8 22 1/2 246 D
18 x 20 28 21 2 3/8 17.250 19.250 18.000 21 6 1/4 - 14° 24 1 3/8 24 3/4 305 D
20 x 24 30 1/2 23 2 1/2 19.250 23.250 20.000 23 1/8 6 3/8 5/8 29° * 24 1 3/8 27 378 B
24 x 30 36 27 1/4 2 3/4 23.250 29.250 24.000 27 5/8 6 5/8 3/4 30° * 24 1 5/8 32 545 B

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