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Krombach® Metal Seated Ball Valves
Pressure and Temperature
Class 150, 300 - A351 CF8M and A216 WCB / Class 600 - A182 F316Ti and A105
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Pressure & Temperature ratings for Group 1.1 Material ASTM A105, A350 LF2 acc. to ASME B16.34
| Temp. |
Cl.150 Pres. |
Cl.300 Pres. |
Cl.600 Pres. |
Cl.900 Pres. |
Cl.1500 Pres. |
Cl.2500 Pres. |
| Deg.F |
psig |
psig |
psig |
psig |
psig |
psig |
| -20 |
285 |
740 |
1480 |
2220 |
3705 |
6170 |
| 100 |
285 |
740 |
1480 |
2220 |
3705 |
6170 |
| 200 |
260 |
680 |
1360 |
2035 |
3395 |
5655 |
| 300 |
230 |
655 |
1310 |
1965 |
3270 |
5450 |
| 400 |
200 |
635 |
1265 |
1900 |
3170 |
5280 |
| 500 |
170 |
605 |
1205 |
1810 |
3015 |
5025 |
| 600 |
140 |
570 |
1135 |
1705 |
2840 |
4730 |
| 700 |
110 |
530 |
1060 |
1590 |
2655 |
4425 |
| 800 |
80 |
410 |
825 |
1235 |
2055 |
3430 |
| Temp. |
Cl.150 Pres. |
Cl.300 Pres. |
Cl.600 Pres. |
Cl.900 Pres. |
Cl.1500 Pres. |
Cl.2500 Pres. |
| Deg.F |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
| -29 |
1,96 |
5,11 |
10,21 |
15,32 |
25,53 |
42,55 |
| 38 |
1,96 |
5,11 |
10,21 |
15,32 |
25,53 |
42,55 |
| 50 |
1,92 |
5,01 |
10,02 |
15,04 |
25,06 |
41,77 |
| 100 |
1,77 |
4,66 |
9,32 |
13,98 |
23,30 |
38,83 |
| 150 |
1,58 |
4,51 |
9,02 |
13,52 |
22,54 |
37,56 |
| 200 |
1,38 |
4,38 |
8,76 |
13,14 |
21,90 |
36,50 |
| 250 |
1,21 |
4,19 |
8,39 |
12,58 |
20,97 |
34,95 |
| 300 |
1,02 |
3,98 |
7,96 |
11,95 |
19,91 |
33,18 |
| 350 |
0,84 |
3,76 |
7,51 |
11,27 |
18,78 |
31,30 |
| 400 |
0,65 |
3,47 |
6,94 |
10,42 |
17,36 |
28,93 |
| 450 |
0,46 |
2,30 |
4,60 |
6,90 |
11,50 |
19,17 |
| 500 |
0,28 |
1,18 |
2,35 |
3,53 |
5,88 |
9,79 |
| 538 |
0,14 |
0,59 |
1,18 |
1,77 |
2,95 |
4,92 |

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Pressure & Temperature ratings for Group 1.17 Material ASTM A182 F5 acc. to ASME B16.34
| Temp. |
Cl.150Pres. |
Cl.300Pres. |
Cl.600Pres. |
Cl.900Pres. |
Cl.1500Pres. |
Cl.2500Pres. |
| Deg.F |
psig |
psig |
psig |
psig |
psig |
psig |
| -20 |
290 |
750 |
1500 |
2250 |
3750 |
6250 |
| 100 |
290 |
750 |
1500 |
2250 |
3750 |
6250 |
| 200 |
260 |
735 |
1470 |
2210 |
3680 |
6135 |
| 300 |
230 |
700 |
1400 |
2100 |
3495 |
5830 |
| 400 |
200 |
670 |
1335 |
2005 |
3345 |
5570 |
| 500 |
170 |
645 |
1290 |
1940 |
3230 |
5385 |
| 600 |
140 |
605 |
1210 |
1815 |
3025 |
5040 |
| 700 |
110 |
570 |
1135 |
1705 |
2840 |
4730 |
| 800 |
80 |
510 |
1015 |
1525 |
2540 |
4230 |
| 900 |
50 |
375 |
745 |
1120 |
1870 |
3115 |
| 1000 |
20 |
200 |
400 |
595 |
995 |
1655 |
| 1100 |
|
95 |
190 |
290 |
480 |
800 |
| 1200 |
|
35 |
70 |
150 |
170 |
285 |
| Temp. |
Cl.150Pres. |
Cl.300Pres. |
Cl.600Pres. |
Cl.900Pres. |
Cl.1500Pres. |
Cl.2500Pres. |
| Deg.F |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
| -29 |
1,98 |
5,17 |
10,34 |
15,51 |
25,86 |
43,09 |
| 38 |
1,98 |
5,17 |
10,34 |
15,51 |
25,86 |
43,09 |
| 50 |
1,95 |
5,15 |
10,30 |
15,45 |
25,75 |
42,92 |
| 100 |
1,77 |
5,04 |
10,09 |
15,13 |
25,22 |
42,04 |
| 150 |
1,58 |
4,82 |
9,64 |
14,45 |
24,09 |
40,15 |
| 200 |
1,38 |
4,63 |
9,25 |
13,88 |
23,13 |
38,56 |
| 250 |
1,21 |
4,48 |
8,96 |
13,45 |
22,41 |
37,35 |
| 300 |
1,02 |
4,29 |
8,57 |
12,86 |
21,44 |
35,71 |
| 350 |
0,84 |
4,03 |
8,04 |
12,07 |
20,11 |
33,53 |
| 400 |
0,65 |
3,65 |
7,33 |
10,98 |
18,31 |
30,49 |
| 450 |
0,46 |
3,37 |
6,77 |
10,14 |
16,90 |
28,18 |
| 500 |
0,28 |
2,14 |
4,28 |
6,41 |
10,69 |
17,82 |
| 550 |
|
1,20 |
2,41 |
3,61 |
6,02 |
10,04 |
| 600 |
|
0,61 |
1,21 |
1,82 |
3,03 |
5,04 |
| 650 |
|
0,24 |
0,47 |
0,71 |
1,18 |
1,97 |

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Pressure & Temperature ratings for Group 2.2 Material ASTM A 182 F316 acc. to ASME B16.34
| Temp. |
Cl.150 Pres. |
Cl.300 Pres. |
Cl.600 Pres. |
Cl.900 Pres. |
Cl.1500 Pres. |
Cl.2500 Pres. |
| Deg.F |
psig |
psig |
psig |
psig |
psig |
psig |
| - 20 |
275 |
720 |
1440 |
2160 |
3600 |
6000 |
| 100 |
275 |
720 |
1440 |
2160 |
3600 |
6000 |
| 200 |
235 |
620 |
1240 |
1860 |
3095 |
5160 |
| 300 |
215 |
560 |
1120 |
1680 |
2795 |
4660 |
| 400 |
195 |
515 |
1025 |
1540 |
2570 |
4280 |
| 500 |
170 |
480 |
955 |
1435 |
2390 |
3980 |
| 600 |
140 |
450 |
900 |
1355 |
2255 |
3760 |
| 700 |
110 |
435 |
870 |
1305 |
2170 |
3620 |
| 800 |
80 |
420 |
845 |
1265 |
2110 |
3520 |
| 900 |
50 |
415 |
830 |
1245 |
2075 |
3460 |
| 1000 |
20 |
365 |
725 |
1090 |
1820 |
3030 |
| 1100 |
- |
305 |
610 |
915 |
1525 |
2545 |
| 1200 |
- |
185 |
370 |
555 |
925 |
1545 |
| 1300 |
- |
115 |
235 |
350 |
585 |
970 |
| 1400 |
- |
75 |
150 |
225 |
380 |
630 |
| 1500 |
- |
40 |
85 |
125 |
205 |
345 |
| Temp. |
Cl.150 Pres. |
Cl.300 Pres. |
Cl.600 Pres. |
Cl.900 Pres. |
Cl.1500 Pres. |
Cl.2500 Pres. |
| Deg.F |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
| - 29 |
1.90 |
4.96 |
9.93 |
14.89 |
24.82 |
41.37 |
| 38 |
1.90 |
4.96 |
9.93 |
14.89 |
24.82 |
41.37 |
| 50 |
1.84 |
4.81 |
9.62 |
14.43 |
24.06 |
40.09 |
| 100 |
1.62 |
4.22 |
8.44 |
12.66 |
21.10 |
35.16 |
| 150 |
1.48 |
3.85 |
7.7 |
11.55 |
19.25 |
32.08 |
| 200 |
1.37 |
3.57 |
7.13 |
10.70 |
17.83 |
29.72 |
| 250 |
1.21 |
3.34 |
6.68 |
10.01 |
16.69 |
27.81 |
| 300 |
1.02 |
3.16 |
6.32 |
9.49 |
15.81 |
26.35 |
| 350 |
0.84 |
3.03 |
6.07 |
9.10 |
15.16 |
25.27 |
| 400 |
0.65 |
2.94 |
5.89 |
8.83 |
14.72 |
24.53 |
| 450 |
0.46 |
2.88 |
5.77 |
8.65 |
14.42 |
24.04 |
| 500 |
0.28 |
2.82 |
5.65 |
8.47 |
14.09 |
23.50 |
| 550 |
- |
2.50 |
4.98 |
7.48 |
12.49 |
20.80 |
| 600 |
- |
1.99 |
2.65 |
5.97 |
9.95 |
16.59 |
| 650 |
- |
1.27 |
1.69 |
3.80 |
6.33 |
10.55 |
| 700 |
- |
0.84 |
1.68 |
2.51 |
4.19 |
5.98 |
| 750 |
- |
0.59 |
1.17 |
1.76 |
2.93 |
4.89 |
| 800 |
- |
0.35 |
0.70 |
1.05 |
1.74 |
2.92 |
| 816 |
- |
0.28 |
0.59 |
0.86 |
1.41 |
2.38 |

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Pressure & Temperature ratings for Group 2.3 Material ASTM A 182 F316L acc. to ASME B16.34
| Temp. |
Cl.150 Pres. |
Cl.300 Pres. |
Cl.600 Pres. |
Cl.900 Pres. |
Cl.1500 Pres. |
Cl.2500 Pres. |
| Deg.F |
psig |
psig |
psig |
psig |
psig |
psig |
| - 20 |
230 |
600 |
1200 |
1800 |
3000 |
5000 |
| 100 |
230 |
600 |
1200 |
1800 |
3000 |
5000 |
| 200 |
195 |
510 |
1020 |
1535 |
2555 |
4260 |
| 300 |
175 |
455 |
910 |
1370 |
2280 |
3800 |
| 400 |
160 |
420 |
840 |
1260 |
2100 |
3500 |
| 500 |
150 |
395 |
785 |
1180 |
1970 |
3280 |
| 600 |
140 |
370 |
745 |
1115 |
1860 |
3100 |
| 700 |
110 |
360 |
720 |
1080 |
1800 |
3000 |
| 800 |
80 |
345 |
690 |
1035 |
1730 |
2880 |
| 850 |
65 |
340 |
675 |
1015 |
1690 |
2820 |
| Temp. |
Cl.150 Pres. |
Cl.300 Pres. |
Cl.600 Pres. |
Cl.900 Pres. |
Cl.1500 Pres. |
Cl.2500 Pres. |
| Deg.F |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
| - 29 |
1,59 |
4,14 |
8,27 |
12,41 |
20,68 |
34,47 |
| 38 |
1,59 |
4,14 |
8,27 |
12,41 |
20,68 |
34,47 |
| 50 |
1,53 |
4,00 |
8,00 |
12,01 |
20,01 |
33,35 |
| 100 |
1,33 |
3,48 |
2,96 |
10,44 |
17,39 |
28,99 |
| 150 |
1,20 |
3,14 |
6,28 |
9,42 |
15,70 |
26,16 |
| 200 |
1,12 |
2,92 |
5,83 |
8,75 |
14,58 |
24,30 |
| 250 |
1,05 |
2,75 |
5,49 |
8,24 |
13,73 |
22,89 |
| 300 |
1,00 |
2,61 |
5,21 |
7,82 |
13,03 |
21,72 |
| 350 |
0,84 |
2,51 |
5,01 |
7,52 |
12,54 |
20,89 |
| 400 |
0,65 |
2,43 |
4,86 |
7,29 |
12,15 |
20,25 |
| 450 |
0,46 |
2,34 |
4,68 |
7,02 |
11,71 |
19,51 |
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Pressure & Temperature ratings for Group 2.8 Material ASTM A 182 F51 acc. to ASME B16.34
| Temp. |
Cl.150 Pres. |
Cl.300 Pres. |
Cl.600 Pres. |
Cl.900 Pres. |
Cl.1500 Pres. |
Cl.2500 Pres. |
| Deg.F |
psig |
psig |
psig |
psig |
psig |
psig |
| - 20 |
290 |
750 |
1500 |
2250 |
3750 |
6250 |
| 100 |
290 |
750 |
1500 |
2250 |
3750 |
6250 |
| 200 |
260 |
745 |
1490 |
2230 |
3720 |
6200 |
| 300 |
230 |
665 |
1335 |
2000 |
3335 |
5560 |
| 400 |
200 |
615 |
1230 |
1845 |
3070 |
5120 |
| 500 |
170 |
580 |
1160 |
1740 |
2905 |
1840 |
| 600 |
140 |
555 |
1115 |
1670 |
2785 |
4640 |
| Temp. |
Cl.150 Pres. |
Cl.300 Pres. |
Cl.600 Pres. |
Cl.900 Pres. |
Cl.1500 Pres. |
Cl.2500 Pres. |
| Deg.F |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
Mpa |
| - 29 |
2,00 |
5,17 |
10,34 |
15,51 |
25,86 |
43,09 |
| 38 |
2,00 |
5,17 |
10,34 |
15,51 |
25,86 |
43,09 |
| 50 |
1,95 |
5,17 |
10,34 |
15,51 |
25,86 |
43,09 |
| 100 |
1,77 |
5,07 |
10,13 |
15,20 |
25,33 |
42,22 |
| 150 |
1,58 |
4,59 |
9,19 |
13,78 |
22,96 |
38,27 |
| 200 |
1,38 |
4,27 |
8,53 |
12,80 |
21,33 |
35,54 |
| 250 |
1,21 |
4,05 |
8,09 |
12,14 |
20,23 |
33,72 |
| 300 |
1,02 |
3,89 |
7,77 |
11,66 |
19,43 |
32,38 |
| 350 |
0,84 |
3,76 |
7,53 |
11,29 |
18,82 |
31,37 |
| 400 |
0,65 |
3,65 |
7,33 |
10,98 |
18,31 |
30,49 |
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