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Kunkle Safety and Relief Products
Tyco reserves the right to change product design and specifications KUKMC-0392
without notice. Copyright © 2002 by Tyco International Ltd. 12
Models 910, 911, 912, 913, 916, 917, 918, 919, 920, 921 and 927
Models 920, 921, 927
ASME Section I Steam (English, lb/h) - Flow Coefficient = 0.878
1
Set Pressure ——––——––———— Orifice Area, in
2
———––––––————
(psig) D E F G H J
(0.1213) (0.2157) (0.3369) (0.553) (0.864) (1.415)
Note
1. Pressure and Temperature Limitations
Steam Section I - ‘V’Special Use
15 to 800 psig
-20° to 800°F
15 174 309 482 792 1237 2026
25 228 406 635 1042 1628 2665
35 283 504 787 1292 2018 3305
45 338 601 939 1541 2408 3944
55 393 699 1091 1791 2798 4583
65 448 796 1243 2041 3189 5222
75 504 896 1399 2297 3589 5877
85 560 996 1556 2554 3991 6536
95 617 1097 1713 2812 4393 7194
100 645 1147 1791 2940 4594 7523
125 786 1398 2183 3583 5599 9169
150 927 1649 2575 4227 6604 10815
175 1068 1900 2967 4870 7609 12461
200 1209 2150 3359 5513 8614 14107
225 1350 2401 3751 6156 9619 15753
250 1492 2652 4143 6800 10624 17399
275 1633 2903 4534 7443 11629 19045
300 1774 3154 4926 8086 12634 20691
325 1915 3405 5318 8730 13639 22337
350 2056 3656 5710 9373 14644 23983
375 2197 3907 6102 10016 15649 25629
400 2338 4158 6494 10659 16654 27275
425 2479 4409 6886 11303 17659 28921
450 2620 4660 7278 11946 18664 30567
475 2761 4910 7670 12589 19669 32212
500 2902 5161 8061 13232 20674 33858
525 3044 5412 8453 13876 — —
550 3185 5663 8845 14519 — —
575 3326 5914 9237 15162 — —
600 3467 6165 9629 15805 — —
625 3608 6416 — — — —
650 3749 6667 — — — —
675 3890 6918 — — — —
700 4031 7169 — — — —
725 4172 7419 — — — —
750 4313 7670 — — — —
775 4455 7921 — — — —
800 4596 8172 — — — —