Class 150 Flange Dimensions, ANSI B16.5 Class 150 LB Flanges

Class 150 Flange Dimensions

Class 150 Flanges Manufacturers, Class 150 Series A and B Class 150 Flanges, Alloy Steel Class 150 Plate Flanges, Carbon Steel Class 150 Flange, Manufacturer of Class 150 Flanges, Nickel Alloy 200 Class 150 Flange, Class 150 Flange, MSS SP-44 Class 150 Flanges in Mumbai, India.

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Specification Of Class 150 Flanges :

Size: 1/2" (DN15) ~ 60" (DN1500)

Pressure: Class 150

Type: Weld Neck, Threaded, Slip-On, Socket Weld, Lap Joint, Blind, Orifice Flange, Orifice Plate and Restriction Orifice Plate, Spectacle Blind, Spacer, Blanks

Face Type: Flat Face (FF), Raise Face (RF), Ring Joint (RJT)

Coating: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Dimension:  ANSI/ASME B16.5, ANSI/ASME B16.47 Series A (MSS SP-44), ANSI/ASME B16.47 Series B (API 605),
ANSI/ASME B16.36, ANSI/ASME B16.48 (API 590)


Class 150 LB Flanges Dimension

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

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 Flange Pressure Rating

Rating Of Carbon Steel Flanges

Rating In “PSI”

The table shows the maximum pressure in PSI ASTM A105 / ASTM A350 LF2 / ASTM A350 LF3 / ASTM A350 LF6

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 / 38 19.6 51.1 68.1 102.1 153.2 255.3 425.5
50 19.2 50.1 66.8 100.2 150.4 250.6 417.7
100 17.7 46.6 62.1 93.2 139.8 233 388.3
150 15.8 45.1 60.1 90.2 135.2 225.4 375.6
200 13.8 43.8 58.4 87.6 131.4 219 365
250 12.1 41.9 55.9 83.9 125.8 209.7 349.5
300 10.2 39.8 53.1 79.6 119.5 199.1 331.8
325 9.3 38.7 51.6 77.4 116.1 193.6 322.6
350 8.4 37.6 50.1 75.1 112.7 187.8 313
375 7.4 36.4 48.5 72.7 109.1 181.8 303.1
400 6.5 34.7 46.3 69.4 104.2 173.6 289.3
425 5.5 28.8 38.4 57.5 86.3 143.8 239.7
450 4.6 23 30.7 46 69 115 191.7
475 3.7 17.4 23.2 34.9 52.3 87.2 145.3
500 2.8 11.8 15.7 23.5 35.3 58.8 97.9
538 1.4 5.9 7.9 11.8 17.7 29.5 49.2

RATING OF STAINLESS STEEL FLANGES

Flanges Pressure Rating in Bars ANSI flanges (ASTM A182 F304L / ASTM A182 F316L)

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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