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PRECALCULATED OSV TRIPPING FLOW TABLE
DIRECT ACTING APPLICATIONS
JACK PISTON DIAMETER (INCHES)
2 2 1/2 2 3/ 4 3 3 1/ 2 4 4 3/ 8 4 1/ 2 5 5 7/ 16 5 1/ 2 6 6 1/ 2 7 71//2 8 8 1/ 2 9 1/ 2 10 5/ 812 5/ 8
L
1
0.20 0.33 0.39 0.46 0.63 0.81 0.98 1.04 1.28 1.51 1.54 1.84 2.15 2.50 2.88 3.26 3.69 4.60 5.76 8.13
O
5
1.03 1.60 1.93 2.30 3.13 4.08 4.88 5.16 6.38 7.54 7.71 9.18 11 13 14 16 19 23 29 41
A
10
2.04 3.19 3.86 4.59 6.25 8.16 10 10 13 15 15 19 21 25 29 33 36 46 58 81
D
20
4.08 6.38 7.71 9.18 13 16 20 21 25 30 31 36 43 50 58 65 74 93 115 163
E
30
6.13 10 12 14 19 25 29 31 39 45 46 55 65 75 86 98 110 138 173 244
D
40
8.16 13 15 19 25 33 39 41 51 60 61 74 86 100 115 130 148 184 230 325
50
10 16 19 23 31 41 49 51 64 75 78 91 108 125 144 164 184 230 288 406
C
60
12 19 24 28 38 49 59 63 76 90 93 110 129 150 173 196 221 276 345 488
A
70
14 23 28 33 44 58 69 73 89 105 108 129 151 175 201 229 258 323 403 569
R
80
16 25 31 36 50 65 78 83 103 121 124 148 173 200 230 261 295 369 460 650
90
19 29 35 41 56 74 88 93 115 136 139 165 194 225 259 294 331 414 519 731
S
100
20 33 39 46 63 81 98 104 128 151 154 184 215 250 288 326 369 460 576 813
P
110
23 35 43 50 69 90 108 114 140 166 170 203 238 275 315 359 405 506 634 894
E
120
25 39 46 55 75 98 118 124 153 181 185 220 259 300 344 391 443 553 691 975
E
125
25 40 49 58 78 103 123 129 160 189 193 230 269 313 359 408 460 575 720 1016
D
130
26 41 50 60 81 106 128 134 166 196 200 239 280 325 373 424 479 599 749 1056
140
29 45 54 64 88 114 136 145 179 211 216 258 301 350 401 458 516 645 806 1138
F
150
30 48 58 69 94 123 146 155 191 226 231 275 324 375 430 490 553 690 864 1219
P
160
33 51 61 74 100 130 156 165 204 241 246 294 345 400 459 523 590 736 921 1300
M
170
35 54 65 78 106 139 166 175 216 256 263 313 366 425 488 555 626 783 979 1383
180
36 58 70 83 113 148 176 186 230 271 278 330 388 450 516 588 664 829 10361464
190
39 60 74 88 119 155 185 196 243 286 293 349 410 475 545 620 700 875 10941545
200
41 64 78 91 125 164 195 206 255 301 309 368 431 500 574 653 738 920 11511626
Tripping Flow (GPM)
NOTICE: DO NOT USE THIS TABLE FOR CALCULATING PUMP OUTPUT.
TABLE REPRESENTS OSV TRIPPING FLOW ONLY. RATED FLOW X 125%
Table Instructions:
1. Intersect loaded down speed with the piston diameter.
2. Intersection = Tripping Flow.
3. Apply tripping flow to the chart on the following page to determine the number
turns needed in on the TS adjuster.
OVERSPEED VALVE (TRIPPING FLOW TABLE)
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