PIPE, FITTING & FLANGE SPECIFICATIONS
STANDARD CLASS PRESSURE-TEMPERATURE RATINGS ANSI/ASME B16.34
A 216 WCC (a)
Working
A 217
A 217
A 351 CF3 (f) A 351
A 351
WC1 (b) WC4 (h)
Pressure Temperature
A 216
A 352 A 352 LC2 (d)
CF3M (g) A 351
A 217
A 217
A 217
A 217
A 351
A 352
A 217
WC6 (j)
WC9 (j)
C5
C12
A 351 CF8M
CF8C
CN7M (l)
by
(˚F)
WCB (a) LCB (d) A 352 LC3 (d)
Classes
CF8
LC1 (d) WC5 (i)
A 352 LCC (e)
Pressure Drop per 1,000 Feet of Schedule 40 Steel Pipe, in pounds per square inch Pressure Drop per 1,000 Feet of Schedule 40 Working Pressure in PSI
-20 to 100
285 260 230 200 170 140 125 110
265 250 230 200 170 140 125 110
290 260 230 200 170 140 125 110
265 260 230 200 170 140 125 110
290 260 230 200 170 140 125 110
290 260 230 200 170 140 125 110
290 260 230 200 170 140 125 110
290 260 230 200 170 140 125 110
290 260 230 200 170 140 125 110
275 235 205 180 170 140 125 110
275 240 215 195 170 140 125 110
275 245 225 200 170 140 125 110
230 215 200 185 170 140 125 110
200 300 400 500 600 650 700 750 800 850 900 950
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80 65 50 35 20
95 80
– – – – – – – – – – – – – –
1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500
–
–
–
–
20(1)
20(1)
20(1)
20(1)
20(1)
20(1)
20(1)
20(1)
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
20(1) 20(1) 15(1)
20(1) 20(1) 20(1)
20(1) 20(1) 20(1)
20(1) 20(1) 20(1)
20(1) 20(1) 20(1) 20(1) 20(1) 20(1) 20(1) 15(1) 10(1)
20(1) 20(1) 20(1) 20(1) 20(1) 20(1) 20(1) 20(1) 15(1)
20(1) 20(1) 20(1) 20(1) 20(1) 20(1) 20(1) 20(1) 15(1)
– – – – – –
– – – – – –
– – – – – –
– – – – – –
-20 to 100
740 675 655 635 600 550 535 535 505 410 270 170 105
695 655 640 620 585 535 525 520 475 390 270 170 105
750 750 730 705 665 605 590 570 505 410 270 170 105
695 680 655 640 620 605 590 570 530 510 485 450 280 165
750 750 730 705 665 605 590 570 530 510 485 450 345 215 190
750 710 675 660 640 605 590 570 530 510 485 450 380 225 140
750 715 675 650 640 605 590 570 530 510 485 450 380 270 200 115 105
750 750 730 705 665 605 590 570 530 510 440 355 260 190 140
750 750 730 705 665 605 590 570 530 510 485 450 370 290 190
720 600 530 470 435 415 410 405 400 395 390 385 375 325 310 260 195 155 110
720 620 560 515 480 450 445 430 425 415 405 395 385 365 360 325 275 205 180 140
720 635 590 555 520 490 480 470 460 455 445 430 385 365 360 325 275 170 125
600 555 525 480 470 455 450 445 440 430
200 300 400 500 600 650 700 750 800 850 900 950
– – – – – – – – – – – – – –
1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500
50
50
50
–
–
–
–
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
95 50 35
105
115
70 45
75 50
55
– – – – – –
– – – – – –
– – – – – –
– – – – – –
85
95
60 50 35 25
105
70 50 40 35
75 60 40
65
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