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Class 150 Flange Dimension Weight Chart Pressure Ratings
Table of Contents
Class 150 Flange Dimension Weight Chart Pressure Ratings
Akai Metal is one of the leading manufacturer, supplier, dealer, exporter, of class 150 flanges. We manufacture class 150 flanges in different types, dimensions, and weight. Akai Metal one of the largest manufacturer supplier exporters of Stainless-steel Flanges in Mumbai, India. We offer different types of classes and standards such as ANSI / ASME B16.5 SS Flange, ANSI / ASME B16.47 Series A & Series B SS Flange, ANSI / ASME B16.48 SS Flange, ANSI / ASME BS4504 SS Flange, ANSI / ASME B10 SS Flanges, ANSI / ASME EN-1092 SS Flange, and DIN SS Flanges in Mumbai, India.
We manufacturer SS 304 Flanges, SS 309 Flanges, SS 310 Flanges, SS 316 Flanges, SS 321 Flanges, SS 904L Flanges, Class 150 SS FLanges, Class 300 SS FLanges, Class 400 SS FLanges, Class 600 SS FLanges, Class 900 SS FLanges, Class 1500 SS FLanges, Class 2500 SS FLanges. We also manufacturer ASTM Stainless steel Flanges, ANSI Stainless steel Flanges, ASME Stainless steel Flanges and many more.
Class 150 Flanges Dimensions
| Normal pipe size |
Outside dia. of flange |
Minimum thickness of flange |
Overall Length | Bolt Circle |
No. and Size of Holes |
O.D. of raised face |
|||
|---|---|---|---|---|---|---|---|---|---|
| Welding neck |
Slip-on & socket welding |
Lap Joint | |||||||
| O | Q | Y | Diam. | No. | dia. | R | |||
| 1/2 | 89 | 11.2 | 47.6 | 15.9 | 15.9 | 60.5 | 4 | 15 | 35 |
| 3/4 | 117 | 15.9 | 57.2 | 25.4 | 25.4 | 82.5 | 4 | 15 | 43 |
| 1 | 108 | 14.3 | 55.6 | 17.5 | 17.5 | 79.5 | 4 | 15 | 51 |
| 1.1/4 | 117 | 15.9 | 57.2 | 20.6 | 20.6 | 89.0 | 4 | 15 | 64 |
| 1.1/2 | 127 | 17.5 | 61.9 | 22.2 | 22.2 | 98.5 | 4 | 15 | 73 |
| 2 | 152 | 19.1 | 63.5 | 25.4 | 25.4 | 120.5 | 4 | 19 | 92 |
| 2.1/2 | 178 | 22.3 | 69.8 | 28.6 | 28.6 | 139.5 | 4 | 19 | 105 |
| 3 | 190 | 23.9 | 69.8 | 30.2 | 30.2 | 152.5 | 4 | 19 | 127 |
| 3.1/2 | 216 | 23.9 | 71.4 | 31.8 | 31.8 | 178.0 | 8 | 19 | 140 |
| 4 | 229 | 23.9 | 86.2 | 33.3 | 33.3 | 190.5 | 8 | 19 | 157 |
| 5 | 254 | 23.9 | 88.9 | 36.5 | 36.5 | 216.0 | 8 | 22 | 186 |
| 6 | 279 | 25.4 | 88.9 | 39.7 | 39.7 | 241.5 | 8 | 22 | 216 |
| 8 | 343 | 28.6 | 101.6 | 44.4 | 44.4 | 298.5 | 8 | 22 | 270 |
| 10 | 406 | 30.2 | 101.6 | 49.2 | 49.2 | 362.0 | 12 | 25 | 324 |
| 12 | 483 | 31.8 | 114.3 | 55.6 | 55.6 | 432.0 | 12 | 25 | 381 |
| 14 | 533 | 35.0 | 127.0 | 57.2 | 79.4 | 476.0 | 12 | 29 | 413 |
| 16 | 597 | 36.6 | 127.0 | 63.5 | 87.3 | 539.5 | 16 | 29 | 470 |
| 18 | 635 | 39.7 | 139.7 | 68.3 | 96.8 | 578.0 | 16 | 32 | 533 |
| 20 | 698 | 42.9 | 144.5 | 73.0 | 103.2 | 635.0 | 20 | 32 | 584 |
| 24 | 813 | 47.7 | 152.4 | 82.6 | 111.1 | 749.5 | 20 | 35 | 692 |
Class 150 Flange Weight Chart
| CLASS | Nominal Pipe Size | Slip On | Threaded | Socket Weld | Lap Joint | Blind | Weld Neck |
| 150 lb | ½ | 1 | 1 | 2 | 1 | 2 | 2 |
| ¾ | 2 | 2 | 2 | 2 | 2 | 2 | |
| 1 | 2 | 2 | 2 | 2 | 2 | 3 | |
| 1¼ | 3 | 3 | 3 | 3 | 3 | 3 | |
| 1½ | 3 | 3 | 3 | 3 | 4 | 4 | |
| 2 | 5 | 5 | 5 | 5 | 5 | 6 | |
| 2½ | 8 | 8 | 8 | 8 | 7 | 10 | |
| 3 | 9 | 9 | 9 | 9 | 9 | 11.5 | |
| 3½ | 11 | 12 | 11 | 11 | 13 | 12 | |
| 4 | 13 | 13 | 13 | 13 | 17 | 16.5 | |
| 5 | 15 | 15 | 15 | 15 | 20 | 21 | |
| 6 | 19 | 19 | 19 | 19 | 27 | 26 | |
| 8 | 30 | 30 | 30 | 30 | 47 | 42 | |
| 10 | 43 | 43 | 43 | 43 | 70 | 54 | |
| 12 | 64 | 64 | 64 | 64 | 123 | 88 | |
| 14 | 90 | 90 | 90 | 105 | 140 | 114 | |
| 16 | 106 | 98 | 98 | 140 | 180 | 140 | |
| 18 | 130 | 130 | 130 | 160 | 220 | 165 | |
| 20 | 165 | 165 | 165 | 195 | 285 | 197 | |
| 22 | 185 | 185 | 185 | 245 | 355 | 225 | |
| 24 | 220 | 220 | 220 | 275 | 430 | 268 |
Bolt And Stud Dimensions Chart – ASME B16.5 Flanges
| 150 LB. Flanges | ||||
|---|---|---|---|---|
| Nominal Pipe Size | # Bolts or Studs | Dia of Bolts or Studs | Length of Stud | |
| 1/16 RF | RTJ | |||
| 1/2 | 4 | 0.50 | 2-1/4 | – |
| 3/4 | 4 | 0.50 | 2-1/2 | – |
| 1 | 4 | 0.50 | 2-1/2 | 3 |
| 1-1/4 | 4 | 0.50 | 2-3/4 | 3-1/4 |
| 1-1/2 | 4 | 0.50 | 2-3/4 | 3-1/4 |
| 2 | 4 | 0.63 | 3-1/4 | 3-3/4 |
| 2-1/2 | 4 | 0.63 | 3-1/2 | 4 |
| 3 | 4 | 0.63 | 3-1/2 | 4 |
| 3-1/2 | 8 | 0.63 | 3-1/2 | 4 |
| 4 | 8 | 0.63 | 3-1/2 | 4 |
| 5 | 8 | 0.75 | 3-3/4 | 4-1/4 |
| 6 | 8 | 0.75 | 4 | 4-1/2 |
| 8 | 8 | 0.75 | 4-1/4 | 4-3/4 |
| 10 | 12 | 0.88 | 4-1/2 | 5 |
| 12 | 12 | 0.88 | 4-3/4 | 5-1/4 |
| 14 | 12 | 1.00 | 5-1/4 | 5-3/4 |
| 16 | 16 | 1.00 | 5-1/4 | 5-3/4 |
| 18 | 16 | 1.13 | 5-3/4 | 6-1/4 |
| 20 | 20 | 1.13 | 6-1/4 | 6-3/4 |
| 24 | 20 | 1.25 | 6-3/4 | 7-1/4 |
Class 150 Flanges Standard, 150 LB Flange Pressure Rating.
Class 150 Flange Pressure Rating
Rating Of Stainless Steel Flanges
| Temperature (in F°) | 150# | 300# | 400# | 600# | 900# | 1500# | 2500# |
| < 100 | 285 | 740 | 985 | 1480 | 2220 | 3705 | 6170 |
| 200 | 260 | 680 | 905 | 1360 | 2035 | 3395 | 5655 |
| 300 | 230 | 655 | 870 | 1310 | 1965 | 3270 | 5450 |
| 400 | 200 | 635 | 845 | 1265 | 1900 | 3170 | 5280 |
| 500 | 170 | 605 | 805 | 1205 | 1810 | 3015 | 5025 |
| 600 | 140 | 570 | 755 | 1135 | 1705 | 2840 | 4730 |
| 650 | 125 | 550 | 730 | 1100 | 1650 | 2745 | 4575 |
| 700 | 110 | 530 | 710 | 1060 | 1590 | 2655 | 4425 |
| 750 | 95 | 505 | 675 | 1015 | 1520 | 2535 | 4230 |
| 800 | 80 | 410 | 550 | 825 | 1235 | 2055 | 3430 |
| 850 | 65 | 320 | 425 | 640 | 955 | 1595 | 2655 |
| 900 | 50 | 230 | 305 | 460 | 690 | 1150 | 1915 |
| 950 | 35 | 135 | 185 | 275 | 410 | 685 | 1145 |
| 1000 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
| Hydrostatic Test Pressure (PSIG) | 450 | 1125 | 1500 | 2225 | 3350 | 5575 | 9275 |
RATING IN BARS
|
TEMP C°
|
150#
|
300#
|
400#
|
600#
|
900#
|
1500#
|
2500#
|
|
-29 TO 38
|
15.9
|
41.4
|
55.2
|
82.7
|
124.1
|
206.8
|
344.7
|
|
50
|
15.3
|
40
|
53.4
|
80
|
120.1
|
200.1
|
333.5
|
|
100
|
13.3
|
34.8
|
46.4
|
69.6
|
104.4
|
173.9
|
289.9
|
|
150
|
12
|
31.4
|
41.9
|
62.8
|
94.2
|
157
|
261.6
|
|
200
|
11.2
|
29.2
|
38.9
|
58.3
|
87.5
|
145.8
|
243
|
|
250
|
10.5
|
27.5
|
36.6
|
54.9
|
82.4
|
137.3
|
228.9
|
|
300
|
10
|
26.1
|
34.8
|
52.1
|
78.2
|
130.3
|
217.2
|
|
325
|
9.3
|
25.5
|
34
|
51
|
76.4
|
127.4
|
212.3
|
|
350
|
8.4
|
25.1
|
33.4
|
50.1
|
75.2
|
125.4
|
208.9
|
|
375
|
7.4
|
24.8
|
33
|
49.5
|
74.3
|
123.8
|
206.3
|
|
400
|
6.5
|
24.3
|
32.4
|
48.6
|
72.9
|
121.5
|
202.5
|
|
425
|
5.5
|
23.9
|
31.8
|
47.7
|
71.6
|
119.3
|
198.8
|
|
450
|
4.6
|
23.4
|
31.2
|
46.8
|
70.2
|
117.1
|
195.1
|
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