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Specifications

Pump Model Flange Connections Dimensions (Inches)
Discharge Connection Sizes Suction Connection Sizes A B C D E F
11D-2L 1 (25.4)-11 1/2 NPT 2 (50.8)-11 1/2 NPT 3 1/8 4 7/8 7 1/2 20 3/8 29 3/8 6
11D-2M 1 (25.4)-11 1/2 NPT 2 (50.8)-11 1/2 NPT 3 1/8 4 7/8 7 1/2 20 3/8 29 3/8 6
11D-2H 3/4 (19.05)-14 NPT 1 1/4 (31.75)-11 1/2 NPT 3 3/4 4 1/4 9 1/2 20 32 1/8 7 7/8

Performance Data

PUMP English Units 50 RPM 150 RPM 200 RPM 250 RPM 350 RPM 400 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
11D-2L (P100ALS) 2.000 3.1416 2.0400 0.0595 646 102 3.0 306 8.9 408 11.9 510 14.9 714 20.8 816 23.8
1.875 2.7612 1.7930 0.0523 735 90 2.6 269 7.8 359 10.5 449 13.1 628 18.3 718 20.9
1.750 2.4053 1.5619 0.0456 844 79 2.3 235 6.8 313 9.1 391 11.4 547 15.9 625 18.2
1.625 2.0739 1.3467 0.0393 979 68 2.0 203 5.9 270 7.9 337 9.8 472 13.7 539 15.7
1.500 1.7671 1.1475 0.0335 1149 58 1.7 173 5.0 230 6.7 287 8.4 402 11.7 459 13.4
11D-2M (P100A) 1.750 2.4053 1.5619 0.0456 844 79 2.3 235 6.8 313 9.1 391 11.4 547 15.9 625 18.2
1.625 2.0739 1.3467 0.0393 979 68 2.0 203 5.9 270 7.9 337 9.8 472 13.7 539 15.7
1.500 1.7671 1.1475 0.0335 1149 58 1.7 173 5.0 230 6.7 287 8.4 402 11.7 459 13.4
1.375 1.4849 0.9642 0.0281 1367 49 1.4 145 4.2 193 5.6 242 7.0 338 9.8 386 11.2
1.250 1.2272 0.7969 0.0232 1654 40 1.2 120 3.5 160 4.6 200 5.8 279 8.1 319 9.3
1.125 0.9940 0.6455 0.0188 2042 33 0.9 97 2.8 130 3.8 162 4.7 226 6.6 259 7.5
11D-2H (P100H) 1.000 0.7854 0.5100 0.0149 2585 26 0.7 77 2.2 102 3.0 128 3.7 179 5.2 204 5.9
0.875 0.6013 0.3905 0.0114 3376 20 0.6 59 1.7 79 2.3 98 2.8 137 4.0 157 4.6
0.750 0.4418 0.2869 0.0084 4595 15 0.4 44 1.3 58 1.7 72 2.1 101 2.9 115 3.3
  Brake Horsepower required 2 5 6 7 10 11
PUMP Metric Units 50 RPM 150 RPM 200 RPM 250 RPM 350 RPM 400 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.
11D-2L (P100ALS) 51 20.268 0.0135 0.0038 4455 0.68 0.19 2.03 0.56 2.70 0.75 3.38 0.94 4.73 1.31 5.40 1.50
48 17.814 0.0119 0.0033 5069 0.59 0.16 1.78 0.49 2.38 0.66 2.97 0.82 4.16 1.15 4.75 1.32
44 15.518 0.0103 0.0029 5819 0.52 0.14 1.55 0.43 2.07 0.57 2.59 0.72 3.62 1.01 4.14 1.15
41 13.380 0.0089 0.0025 6749 0.45 0.12 1.34 0.37 1.78 0.50 2.23 0.62 3.12 0.87 3.57 0.99
38 11.401 0.0076 0.0021 7920 0.38 0.11 1.14 0.32 1.52 0.42 1.90 0.53 2.66 0.74 3.04 0.84
11D-2M (P100A) 44 15.518 0.0103 0.0029 5819 0.52 0.14 1.55 0.43 2.07 0.57 2.59 0.72 3.62 1.01 4.14 1.15
41 13.380 0.0089 0.0025 6749 0.45 0.12 1.34 0.37 1.78 0.50 2.23 0.62 3.12 0.87 3.57 0.99
38 11.401 0.0076 0.0021 7920 0.38 0.11 1.14 0.32 1.52 0.42 1.90 0.53 2.66 0.74 3.04 0.84
35 9.580 0.0064 0.0018 9426 0.32 0.09 0.96 0.27 1.28 0.35 1.60 0.44 2.24 0.62 2.55 0.71
32 7.917 0.0053 0.0015 11405 0.26 0.07 0.79 0.22 1.06 0.29 1.32 0.37 1.85 0.51 2.11 0.59
29 6.413 0.0043 0.0012 14081 0.21 0.06 0.64 0.18 0.86 0.24 1.07 0.30 1.50 0.42 1.71 0.48
11D-2H (P100H) 25 5.067 0.0034 0.0009 17821 0.17 0.05 0.51 0.14 0.68 0.19 0.84 0.23 1.18 0.33 1.35 0.38
22 3.879 0.0026 0.0007 23276 0.13 0.04 0.39 0.11 0.52 0.14 0.65 0.18 0.91 0.25 1.03 0.29
19 2.850 0.0019 0.0005 31681 0.10 0.03 0.29 0.08 0.38 0.11 0.48 0.13 0.67 0.18 0.76 0.21
  Kilowatts Required 1 4 4 5 7 8

For operation below 50 RPM, an auxiliary lubrication system is required.

Volumetric Rate is based on 100% Volumetric Efficiency. Brake Horsepower/Kilowatts Required is based on 80% 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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