» Technical » Stud Bolts Dimensions for ASME B16.47 Series A Class 400 RF flanges

Stud Bolts Dimensions for ASME B16.47 Series A Class 400 RF flanges

July 12, 2024

NPSND
26281-3/4
28281-7/8
30282
32282
34282
36322
38321-3/4
40321-7/8
42321-7/8
44322
46362
48282-1/4
50322-1/4
52322-1/4
54282-1/2
56322-1/2
58322-1/2
60322-3/4
*n: number of bolts; D: diameter of the stub bolts, unit is inch.

NPSLMass
263175.291
283366.486
303557.847
323617.936
343748.128
363818.219
383745.929
403937.228
424007.310
444198.787
464318.963
4845712.281
5046912.514
5247612.627
5450817.000
5651417.108
5852017.233
6055217.965
*L: length of stub bolts, unit is mm; Mass: mass of boltings for ASME B16.47 Series A Class 400 flanges, unit is kg.

Dimensions & Masses of the Boltings

Boltings for Series A Flanges in Classes
150#300#400#
600#900#-
*Click to view the dimensions & masses of the stud bolt with two heavy hex nuts for series A flange.

Boltings for Series B Flanges in Classes
75#150#300#
400#600#900#
*Click to view the dimensions & masses of the stud bolt with two heavy hex nuts for series B flange.

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