Gasmizer Manual - Submarine Manufacturing and Products Ltd

March 2009
8.5.7 Gasmizer Response Times
NOTE
For use with an Air or Electric Driven GASMIZER System. Using 3/4” supply & exhaust
umbilicals length-350mtrs.
PARTIAL PRESSURE OXYGEN
Time to drop from .7PPO 2 to .2PPO 2 with NO OXYGEN
INJECTION (One Diver)
DEPTH .7PPO 2 .2PPO 2 TIME
BREATHING
TIME
Time to breathe the
same molecule of
gas @ 40 LPM.
SYSTEM
TOTAL
OXYGEN ENRICHING TIME
Time required to enrich oxygen content with a
40 BAR oxygen supply pressure through both
the O 2 injection systems
TIME .25% .50% .75% 1.0% 1.25%
MSW %O 2 Litres %O 2 Litres Min.
Hour
Min.
Litres Min. Min. Min. Min. Min. Min.
30 17.5 1700 5.0 485 1013 16:53 9700 60 3 7 10 13 16
40 14.0 1510 4.0 432 898 14:58 1,0800 54 4 7 11 15 18
50 11.7 1400 3.3 400 833 13:53 12,000 50 4 8 12 16 20
60 10.0 1320 2.9 377 786 13:06 13,200 47 4 9 13 18 22
70 8.8 1260 2.5 360 750 12:30 14,400 44 5 10 15 19 24
80 7.8 1210 2.2 344 722 12:02 15,500 43 5 10 16 21 26
90 7.0 1170 2.0 334 697 11:37 16,700 41 6 11 17 22 28
100 6.4 1140 1.8 325 679 11:19 17,900 40 6 12 18 24 30
110 5.8 1117 1.7 318 660 11:00 19,100 39 6 13 19 26 32
120 5.4 1090 1.5 311 649 10:49 20,200 38 7 14 20 27 34
130 5.0 1070 1.4 306 637 10:37 21,400 38 7 14 22 29 36
140 4.7 1050 1.3 300 625 10:25 22,500 37 8 15 23 30 38
150 4.4 1040 1.3 296 620 10:20 23,700 37 8 16 24 32 40
160 4.1 1030 1.2 293 614 10:14 24,900 36 8 17 25 33 42
170 3.9 1020 1.1 290 608 10:08 26,100 36 9 18 26 35 44
180 3.7 1000 1.1 286 595 9:55 27,200 35 9 18 27 37 46
190 3.5 990 1.0 284 588 9:48 28,400 35 10 19 29 38 48
200 3.3 986 0.95 282 586 9:45 29,600 35 10 20 30 40 50
210 3.2 979 0.91 280 583 9:43 30,800 34 10 21 31 41 52
220 3.0 970 0.87 277 578 9:38 31,900 34 11 21 32 43 54
230 2.9 967 0.83 276 576 9:36 33,100 34 11 22 33 44 56
240 2.8 958 0.80 274 570 9:30 34,200 34 11 23 34 46 58
250 2.7 955 0.77 273 568 9:28 35,500 34 12 24 36 48 60
260 2.6 948 0.74 271 564 9:24 36,600 33 12 25 37 49 61
270 2.5 945 0.71 270 563 9:23 37,800 33 13 25 38 51 63
280 2.4 938 0.69 268 558 9:18 38,900 33 13 26 39 52 65
290 2.3 934 0.67 267 556 9:16 40,100 33 14 27 41 55 69
300 2.2 933 0.65 266 556 9:16 41,300 33 14 29 43 58 72
310 2.2 931 0.63 265 555 9:15 42,500 33 15 30 45 60 75
320 2.1 924 0.61 264 550 9:10 43,600 33 16 31 47 63 79
330 2.1 923 0.59 263 549 9:09 44,800 32 16 33 49 66 82
340 2.0 918 0.57 262 547 9:07 45,900 32 17 35 52 69 86
350 1.9 916 0.56 262 545 9:05 47,200 32 18 36 55 73 91
Chap 8 Page 85 of 168 OM002 Rev 5