Flange Bolting for Class 1500 ASME B16.5 Flanges

1. Technical drawings of flange bolting for Class 1500 ASME B16.5 flanges.

stud bolt with nuts for class 900 flange
Drawing of stud bolt with nuts for class 1500 ASME B16.5 flange
drilling templates for asme b16.5 class 1500 flanges
The drawing of drilling templates for class 1500 ASME B16.5 flanges

2. Dimensions of flange bolting for Class 1500 ASME B16.5 flanges.

NPSO
inch
mm
W
inch
mm
m
inch
nd
inch
L1
inch
mm
L2
inch
mm
L3
inch
mm
1/2"4.75
120
3.25
82.6
7/843/44.25
110
4.00
100
4.25
110
3/4"5.12
130
3.50
88.9
7/843/44.50
115
4.25
110
4.50
115
1"5.88
150
4.00
101.6
147/85.00
125
4.75
120
5.00
125
1 1/4"6.25
160
4.38
111.1
147/85.00
125
4.75
120
5.00
125
1 1/2"7.00
180
4.88
123.8
1 1/8415.50
140
5.25
135
5.50
140
2"8.50
215
6.50
165.1
187/85.75
145
5.50
140
5.75
145
2 1/2"9.62
245
7.50
190.5
1 1/8816.25
160
6.00
150
6.25
160
3"10.50
265
8.00
203.2
1 1/481 1/87.00
180
6.75
170
7.00
180
4"12.25
310
9.50
241.3
1 3/881 1/47.75
195
7.50
190
7.75
195
5"14.75
375
11.50
292.1
1 5/881 1/29.75
250
9.50
240
9.75
250
6"15.50
395
12.50
317.5
1 1/2121 3/810.25
260
10.00
255
10.50
265
8"19.00
485
15.50
393.7
1 3/4121 5/811.50
290
11.25
285
11.75
300
10"23.00
585
19.00
482.6
2121 7/813.25
335
13.00
330
13.50
345
12"26.50
675
22.50
571.5
2 1/816214.75
375
14.50
370
15.25
385
14"29.50
750
25.00
635.0
2 3/8162 1/416.00
405
15.75
400
16.75
425
16"32.50
825
27.75
704.8
3 5/8162 1/217.50
445
17.25
440
18.50
470
18"36.00
915
30.50
774.7
2 7/8162 3/419.50
495
19.25
490
20.75
525
20"38.75
985
32.75
831.8
3 1/816321.25
540
21.00
535
22.25
565
24"46.00
1170
39.00
990.6
3 5/8163 1/224.25
615
24.00
610
25.50
650

1. For the denotation of dimensions “NPS, O, W, m, n, d, L1, L2, L3”, please refer to that of flange bolting for Class 900. The length of the stud bolt doesn’t include the height of the points.

2. The bolting of ASME B16.5 class 1500 flanges can be furnished as stud bolts with nuts. Stud bolts can be used for flanges with either raised face or ring joint face. All dimensions are provided in mm and inch units.

ASME B16.5 Flange Bolting Specification by Classes
Class 150Class 300Class 400Class 600Class 900Class 1500Class 2500

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