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Specifications

Pump Model Flange Connections Dimensions (Inches)
Discharge Connection Sizes Suction Connection Sizes A B C D E F
22T-2L 1 (25.4)-11 1/2 NPT 2 (50.8)-11 1/2 NPT 3 1/8 4 7/8 5 15/16 22 5/8 29 1/2 11 1/2
22T-2M 1 (25.4)-11 1/2 NPT 2 (50.8)-11 1/2 NPT 3 1/8 4 7/8 5 15/16 22 5/8 29 1/2 11 1/2
22T-2H 3/4 (19.1)-14 NPT 1 1/4 (31.8)-11 1/2 NPT 3 3/4 4 1/4 7 7/8 20 32 1/8 13 1/2

Performance Data

PUMP English Units 50 RPM 150 RPM 200 RPM 250 RPM 350 RPM 465 RPM
Plunger Dia. In. Plunger Area Sq. In. BPD per RPM GPM per RPM Max. Press. PSI BPD GPM BPD GPM BPD GPM BPD GPM BPD GPM BPD GPM
22T-2L (T225LS) 2.000 3.1416 3.1474 0.0918 812 158 4.6 473 13.8 630 18.4 787 22.9 1102 32.1 1464 42.7
1.875 2.7612 2.7663 0.0807 924 139 4.0 415 12.1 554 16.1 692 20.2 969 28.2 1287 37.5
1.750 2.4053 2.4097 0.0703 1060 121 3.5 362 10.5 482 14.1 603 17.6 844 24.6 1121 32.7
1.625 2.0739 2.0778 0.0606 1230 104 3.0 312 9.1 416 12.1 520 15.2 728 21.2 967 28.2
1.500 1.7671 1.7704 0.0516 1443 89 2.6 266 7.7 355 10.3 443 12.9 620 18.1 824 24.0
22T-2M (T225M) 1.750 2.4053 2.4097 0.0703 1060 121 3.5 362 10.5 482 14.1 603 17.6 844 24.6 1121 32.7
1.625 2.0739 2.0778 0.0606 1230 104 3.0 312 9.1 416 12.1 520 15.2 728 21.2 967 28.2
1.500 1.7671 1.7704 0.0516 1443 89 2.6 266 7.7 355 10.3 443 12.9 620 18.1 824 24.0
1.375 1.4849 1.4876 0.0434 1717 75 2.2 224 6.5 298 8.7 372 10.8 521 15.2 692 20.2
1.250 1.2272 1.2295 0.0359 2078 62 1.8 185 5.4 246 7.2 308 9.0 431 12.6 572 16.7
1.125 0.9940 0.9959 0.0290 2565 50 1.5 150 4.4 200 5.8 249 7.3 349 10.2 464 13.5
22T-2H (T225H) 1.000 0.7854 0.7869 0.0229 3247 40 1.1 119 3.4 158 4.6 197 5.7 276 8.0 366 10.7
0.875 0.6013 0.6024 0.0176 4241 31 0.9 91 2.6 121 3.5 151 4.4 211 6.1 281 8.2
0.750 0.4418 0.4426 0.0129 4600 23 0.6 67 1.9 89 2.6 111 3.2 155 4.5 206 6.0
  Brake Horsepower required 2.4 7.2 9.7 12 17 22
PUMP Metric Units 50 RPM 150 RPM 200 RPM 250 RPM 350 RPM 465 RPM
Plunger Dia. mm Plunger Area cm2 M3/Hr per RPM L/Sec. per RPM Max. Press. kPa M3/Hr L/Sec. M3/Hr L/Sec. M3/Hr L/Sec. M3/Hr L/Sec. M3/Hr L/Sec. M3/Hr L/Sec.
22T-2L (T225LS) 51 20.268 0.0208 0.0058 5596 1.04 0.29 3.13 0.87 4.17 1.16 5.21 1.45 7.30 2.03 9.69 2.69
48 17.814 0.0183 0.0051 6368 0.92 0.25 2.75 0.76 3.66 1.02 4.58 1.27 6.41 1.78 8.52 2.37
44 15.518 0.0160 0.0044 7310 0.80 0.22 2.39 0.67 3.19 0.89 3.99 1.11 5.59 1.55 7.42 2.06
41 13.380 0.0138 0.0038 8477 0.69 0.19 2.06 0.57 2.75 0.76 3.44 0.96 4.82 1.34 6.40 1.78
38 11.401 0.0117 0.0033 9949 0.59 0.16 1.76 0.49 2.35 0.65 2.93 0.81 4.10 1.14 5.45 1.51
22T-2M (T225M) 44 15.518 0.0160 0.0044 7310 0.80 0.22 2.39 0.67 3.19 0.89 3.99 1.11 5.59 1.55 7.42 2.06
41 13.380 0.0138 0.0038 8477 0.69 0.19 2.06 0.57 2.75 0.76 3.44 0.96 4.82 1.34 6.40 1.78
38 11.401 0.0117 0.0033 9949 0.59 0.16 1.76 0.49 2.35 0.65 2.93 0.81 4.10 1.14 5.45 1.51
35 9.580 0.0099 0.0027 11840 0.49 0.14 1.48 0.41 1.97 0.55 2.46 0.68 3.45 0.96 4.58 1.27
32 7.917 0.0081 0.0023 14327 0.41 0.11 1.22 0.34 1.63 0.45 2.04 0.57 2.85 0.79 3.79 1.05
29 6.413 0.0066 0.0018 17688 0.33 0.09 0.99 0.27 1.32 0.37 1.65 0.46 2.31 0.64 3.07 0.85
22T-2H (T225H) 25 5.067 0.0052 0.0014 22386 0.26 0.07 0.78 0.22 1.04 0.29 1.30 0.36 1.82 0.51 2.42 0.67
22 3.879 0.0040 0.0011 29239 0.20 0.06 0.60 0.17 0.80 0.22 1.00 0.28 1.40 0.39 1.86 0.52
19 2.850 0.0029 0.0008 31716 0.15 0.04 0.44 0.12 0.59 0.16 0.73 0.20 1.03 0.29 1.36 0.38
  Kilowatts Required 1.8 5.4 7.2 9.0 13 17

For operation below 75 RPM, an auxiliary lubrication system is required.

Volumetric Rate is based on 100% Volumetric Efficiency. Brake Horsepower/Kilowatts Required is based on 90% Mechanical Efficiency.

The information and data on this sheet is accurate to the best of our knowledge and belief, but are intended for general information only. Applications suggested for the materials are described only to help readers make their own evaluations and decisions, and are neither guarantees nor to be construed as express or implied warranties of suitability for these or other applications. National Oilwell makes no warranty either express or implied beyond that stipulated in National Oilwell Standard Terms and Conditions of Sale

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