PIPE, FITTING & FLANGE SPECIFICATIONS
STANDARD CLASS PRESSURE-TEMPERATURE RATINGS ANSI/ASME B16.34 (continued)
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 217
A 217
A 217
A 217
A 351 CF8C
A 351
A 352
A 217
WC6 (j)
WC9 (j)
C5
C12
A 351 CF8M
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
2220 2025 1970 1900 1795 1640 1610 1600 1510 1235
2085 1970 1915 1850 1745 1600 1570 1555 1420 1175
2250 2250 2185 2115 1995 1815 1765 1705 1510 1235
2085 2035 1955 1920 1865 1815 1765 1705 1595 1525 1460 1350
2250 2250 2185 2115 1995 1815 1765 1705 1595 1525 1460 1350 1030
2250 2135 2020 1975 1925 1815 1765 1705 1595 1525 1460 1350 1130
2250 2150 2030 1945 1920 1815 1765 1705 1595 1525 1460 1350 1130
2250 2250 2185 2115 1995 1815 1765 1705 1595 1490 1315 1060
2250 2250 2185 2115 1995 1815 1765 1705 1595 1525 1460 1350 1110
2160 1800 1585 1410 1310 1245 1225 1210 1195 1180 1165 1150 1125
2160 1860 1680 1540 1435 1355 1330 1295 1270 1245 1215 1180 1160 1090 1080
2160 1910 1765 1665 1555 1475 1440 1405 1385 1370 1330 1295 1160 1090 1080
1800 1670 1570 1445 1405 1365 1350 1335 1320 1295
200 300 400 500 600 650 700 750 800 850 900 950
805 515 310 155
805 515 310 155
805 515 310 155
– – – – – – – – – – – – – –
845 495
780 575 420 310 205 135
1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500
640 565
670 410 290 155 105
805 595 340 310 165
875 565 340 225 155
965 925 770 585 465 330 245 185 145 105
–
–
–
–
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
965 825 620 545 410 310 225 175 125
965 825 515 370 280 205 155 125 105
– – – – – –
– – – – – –
– – – – – –
– – – – – –
70
-20 to 100
3705 3375 3280 3170 2995 2735 2685 2665 2520 2060
3470 3280 3190 3085 2910 2665 2615 2590 2365 1955
3750 3750 3640 3530 3325 3025 2940 2840 2520 2060
3470 3395 3260 3200 3105 3025 2940 2840 2660 2540 2435 2245 1405
3750 3750 3640 3530 3325 3025 2940 2840 2660 2540 2435 2245 1715 1065
3750 3560 3365 3290 3210 3025 2940 2840 2660 2540 2435 2245 1885 1115
3750 3580 3385 3240 3200 3025 2940 2840 2660 2540 2435 2245 1885 1340
3750 3750 3640 3530 3325 3025 2940 2840 2660 2485 2195 1765 1305
3750 3750 3640 3530 3325 3025 2940 2840 2660 2540 2435 2245 1850 1460
3600 3000 2640 2350 2185 2075 2040 2015 1990 1970 1945 1920 1870 1610 1545
3600 3095 2795 2570 2390 2255 2220 2160 2110 2075 2030 1970 1930 1820 1800 1610 1370 1030
3600 3180 2940 2770 2590 2460 2400 2340 2305 2280 2220 2160 1930 1820 1800 1610 1370
3000 2785 2615 2405 2340 2275 2250 2225 2200 2160
200 300 400 500 600 650 700 750 800 850 900 950
1340
1340
1340
– – – – – – – – – – – – – –
860 515 260
860 515 260
860 515 260
1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500
825
960 705 515 345 225
–
–
–
–
945
684
995
945
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
480 260 170
565 515 275
565 380 260
1285
980 770 550 410 310 240 170 120
855 615 465 345 255 205 170
– – – – – –
– – – – – –
– – – – – –
– – – – – –
910 685 515 380 290 205
Footnotes:
a) Permissible, but not recommended for prolonged usage above about 800˚F. b)Permissible, but not recommended for prolonged usage above about 850˚F.
Note: For welding end valves only.
(1) Flanged end ratings terminate at 1000˚F.
d)Not to be used over 650˚F. e) Not to be used over 700˚F. f) Not to be used over 800˚F. g)Not to be used over 850˚F. h) Not to be used over 1000˚F. i) Not to be used over 1050˚F. j) Not to be used over 1100˚F.
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