Dimensions Slip On Flanges & Stud Bolts ASME B16.5



Slip On flange

OTHER DIAMETERS
1/2
3/4
1
2
3
4
6
8
10
12
14
16
18
20
24

NPS 20 - I.D. 513.1

CLass 150 300 600 900 1500 2500
DIA
A
559 587 610 622 ... ...
DIA
D
700 775 815 855 ... ...
THK
B
41.3 62 88.9 108 ... ...
42.9 63.6 95.3 114.4 ... ...
DIA
G
584.2 584.2 584.2 584.2 ... ...
DIA
K
635 685.8 723.9 749.3 ... ...
H 71 94 127 159 ... ...
72.6 95.6 133.4 165.4 ... ...
NO.
L
20 24 24 20 ... ...
DIA
L
31.8 34.9 44.5 54 ... ...
Stud Bolts Diameter x Length
DIA
(in)
1.1/8 1.1/4 1.5/8 2 ... ...
Lenght
(mm)
160 205 285 350 ... ...

Important Information

Notes..



Studs are measured parallel to the axis (L) from the first to the thread without the chamfers (points). S = free threads equals 1/3 time bolt dia

Measuring lengths of Stud Bolts


Hex bolts are measured from under the head to the top of de bolt


Measuring lengths of Hex bolts

Dimensional Tolerances of Slip On Flanges ASME B16.5

Outside Diameter *
Tolerances not listed in ASME B16.5 2013
≤ 24 = 1.6 mm
> 24 = ± 3.2 mm
Inside Diameter
≤ 10 = ± 0.8 mm
≥ 12 = + 1.6 mm / - 0 mm
Outside Diameter of Hub
≤ 12 = + 2.4 mm / - 1.6 mm
≥ 14 = ± 3.2 mm
Diameter of Counterbore
Same as for Inside Diameter
Drilling
Bolt Circle = 1.6 mm
Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle
≤ 2.1/2 = 0.8 mm max.
≥ 3 = 1.6 mm max.
Thickness
≤ 18 = + 3.2 mm / - 0
≥ 20 = + 4.8 mm / - 0
Length thru Hub
≤ 18 = + 3.2 mm / - 0.8 mm
≥ 20 = + 4.8 mm / - 1.6 mm
Diameter of Contact Face
1.6 mm Raised Face = ± 0.8 mm
6.35 mm Raised Face, Tongue and Groove / Male-Female = ± 0.4 mm