Dimensions Threaded Flanges & Stud Bolts ASME B16.5


flanges

 
NPS 1/2

Important Information


CL15030060090015002500
DIA
A
303838383843
DIA
D
909595120120135
THK
B
9.612.714.322.322.330.2
11.214.320.728.728.736.6
DIA
G
35.135.135.135.135.135.1
DIA
K
60.366.766.782.682.688.9
H142122323240
15.622.628.438.438.446.4
NO.
L
444444
DIA
L
15.915.915.922.222.222.2
Stud Bolts Diameter x Length
DIA
(in)
1/21/21/23/43/43/4
Len
mm
556575110110120
Other Diameters
NPS3/412
 
 

 

Notes:

  • Dimensions are in millimeters unless otherwise indicated.
  • The length of the Stud Bolt does not include the height of the chamfers (points).

images

 

DIMENSIONAL TOLERANCES OF THREADED FLANGES ASME B16.5


Outside Diameter (Note 1)
? 24 = 1.6 mm
> 24 = ± 3.2 mm
Inside Diameter
Within Limits on Boring Gauge
Drilling
Bolt Circle = 1.6 mm
Bolt Hole Spacing = ± 0.8 mm
Eccentricity of Bolt Circle
? 2½ = 0.8 mm max.
? 3 = 1.6 mm max.
Outside Diameter of Hub
? 12 = + 2.4 mm / - 1.6 mm
? 14 = ± 3.2 mm

Diameter of Counterbore
Same as forInside Diameter
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 & Groove / Male-Female = ± 0.4 mm