Design, Butt Weld Ends

64 Pressure/Temperature Ratings (Check Valves)
Imperial 300 Class (ASME B16.34 1996)
ASTM Body Material
Prod. Page
No. No.
Cast
F31
F32
E
J
L
A216
WCB
A217
WC6
A217
WC9
65
66
ASTM Body Material
Prod. Page
No. No.
Cast
F31
F32
E
J
L
A216
WCB
A217
WC6
A217
WC9
65
66
ASTM Body Material
Prod. Page
No. No.
Cast
F51
F52
E
J
L
A216
WCB
A217
WC6
A217
WC9
67
68
ASME Code
B16.34
Metric 300 Class (ASME B16.34 1996)
ASTM Body Material
Prod. Page
No. No.
Cast
F51
E
J
A216
WCB
A217
WC6
A217
WC9
67
Pressure in lbf/sq. in. at Temp. ˚F (for intermediate ratings use linear interpolation)
-20˚
to 200 300 400 500 600 650 700 750 800 850 900 950 975 1000 1025 1050 1075
100˚ note ‘a’
Std. 740 675 655 635 600 550 535 535 505 410 270 – – – – – – –
Spec. 750 750 750 750 750 715 700 695 630 515 335 – – – – – – –
Std. 750 750 720 695 665 605 590 570 530 510 485 450 320 268 215 180 145 120
Spec. 750 750 750 750 750 750 750 735 730 720 680 585 400 335 270 225 180 150
Std. 750 750 730 705 665 605 590 570 530 510 485 450 375 318 260 218 175 143
Spec. 750 750 740 725 720 720 715 710 690 675 645 600 470 398 325 273 220 178
ASME Code
B16.34
Imperial 600 Class (ASME B16.34 1996)
F52
L
68
Pressure in Bar at Temp. ˚C (for intermediate ratings use linear interpolation)
-30˚
to 50 100 150 200 250 300 350 375 400 425 450 475 500 525 550 575 600
38˚ note ‘a’
Std. 51.0 50.0 46.4 45.1 43.9 41.8 38.9 36.9 36.6 34.6 28.7 20.2 – – – – – –
Spec. 51.7 51.7 51.7 51.7 51.7 51.7 50.0 48.2 47.3 43.1 36.0 25.1 – – – – – –
Std. 51.7 51.7 51.5 49.6 48.1 46.2 42.9 40.3 38.9 36.5 35.2 33.7 31.7 25.3 18.2 12.7 8.8 6.0
Spec. 51.7 51.7 51.7 51.7 51.7 51.7 51.7 51.5 50.6 50.3 49.7 47.3 42.0 32.2 22.7 15.9 11.0 7.5
Std. 51.7 51.7 51.5 50.3 48.7 46.3 42.9 40.3 38.9 36.5 35.2 33.7 31.7 27.7 21.6 15.3 10.5 6.9
Spec. 51.7 51.7 51.6 51.0 50.1 49.7 49.6 49.2 48.8 47.5 46.6 44.8 42.2 35.6 27.0 19.2 13.2 8.5
ASME Code
B16.34
Metric 600 Class (ASME B16.34 1996)
Pressure in lbf/sq. in. at Temp. ˚F (for intermediate ratings use linear interpolation)
-20˚
to 200 300 400 500 600 650 700 750 800 850 900 950 975 1000 1025 1050 1075
100˚ note ‘a’
Std. 1480 1350 1315 1270 1200 1095 1075 1065 1010 825 535 – – – – – – –
Spec. 1500 1500 1500 1500 1500 1425 1400 1390 1260 1030 670 – – – – – – –
Std. 1500 1500 1445 1385 1330 1210 1175 1135 1065 1015 975 900 640 535 430 360 290 240
Spec. 1500 1500 1500 1500 1500 1500 1500 1465 1460 1440 1355 1175 795 668 540 450 360 300
Std. 1500 1500 1455 1410 1330 1210 1175 1135 1065 1015 975 900 755 638 520 435 350 285
Spec. 1500 1500 1485 1450 1440 1440 1430 1425 1380 1345 1285 1200 945 798 650 543 435 355
ASME Code
B16.34
Pressure in Bar at Temp. ˚C (for intermediate ratings use linear interpolation)
-30˚
to 50 100 150 200 250 300 350 375 400 425 450 475 500 525 550 575 600
38˚ note ‘a’
Std. 102.0 100.1 92.8 90.6 87.8 83.6 77.5 74.0 72.9 69.1 57.6 40.1 – – – – – –
Spec. 103.4 103.4 103.4 103.4 103.4 103.4 99.7 96.4 94.6 86.2 72.0 50.2 – – – – – –
Std. 103.4 103.4 103.0 99.5 95.8 92.4 85.7 80.4 77.6 73.3 70.2 67.7 63.4 50.6 36.3 25.4 17.7 12.0
Spec. 103.4 103.4 103.4 103.4 103.4 103.4 103.4 102.8 101.0 100.6 99.4 94.4 84.2 64.2 45.3 31.8 22.0 15.1
Std. 103.4 103.4 103.0 100.3 97.5 92.7 85.7 80.4 77.6 73.3 70.2 67.7 63.4 55.7 43.3 30.7 21.1 13.8
Spec. 103.4 103.4 103.3 102.3 100.2 99.4 99.3 98.5 97.8 95.1 92.9 89.3 84.3 71.5 54.2 38.3 26.2 17.2
Note ‘a’ – Permissible but not recommended for prolonged usage above 800˚F (425˚C).