Dimensions Stud Bolts for RF-RTJ flanges ASME B16.5 Class 900



Stud bolt with two nuts

OTHER PRESSURE CLASSES

150
300
400
600
900
1500
2500


NPS DIA
bolts (in)
Length
RF
Length
RTJ
Number
of bolts
1/2 3/4 110 110 4
3/4 3/4 115 115 4
1 7/8 125 125 4
1.1/4 7/8 125 125 4
1.1/2 1 140 140 4
2 7/8 145 145 8
2.1/2 1 160 160 8
3 7/8 145 145 8
4 1.1/8 170 170 8
5 1.1/4 190 190 8
6 1.1/8 190 195 12
8 1.3/8 220 220 12
10 1.3/8 235 235 16
12 1.3/8 255 255 20
14 1.1/2 275 280 20
16 1.5/8 285 290 20
18 1.7/8 325 335 20
20 2 350 360 20
24 2.1/2 440 455 20

General 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