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Specifications

Pump Model Flange Connections Dimensions (Inches)
Discharge Connection Sizes Suction Connection Sizes A B C D E F
103Q-3L 3 (76.2)-ANSI 600 FF 6 (152.4)-ANSI 150 FF 5 7 1/4 29 28 41 5/8 9 7/8
103Q-3M 2 (50.8)-ANSI 1500 FF 3 (76.2)-ANSI 300 FF 3 7/16 5 3/4 30 27 3/16 40 7/8 8 1/8
103Q-3MS 2 (50.8)-11 1/2 NPT 3 (76.2)-8 NPT 4 9/16 5 3/4 26 1/2 26 7/8 40 1/8 8 7/8
103Q-3H 1 (25.4)-11 1/2 NPT 1 1/2 (38.1)-11 1/2 NPT 3 7/8 4 3/8 28 25 3/4 39 7/8 7 3/4

Performance Data

PUMP English Units 50 RPM 150 RPM 250 RPM 300 RPM 350 RPM 435 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
103Q-3L (Q3115AL) 3.000 7.0686 18.3599 0.5355 673 918 26.8 2754 80.3 4590 133.9 5508 160.6 6426 187.4 7987 232.9
2.875 6.4918 16.8618 0.4918 733 844 24.6 2530 73.8 4216 123.0 5059 147.5 5902 172.1 7335 213.9
2.750 5.9396 15.4274 0.4500 801 772 22.5 2315 67.5 3857 112.5 4629 135.0 5400 157.5 6711 195.7
2.625 5.4119 14.0568 0.4100 880 703 20.5 2109 61.5 3515 102.5 4218 123.0 4920 143.5 6115 178.3
2.500 4.9087 12.7500 0.3719 970 638 18.6 1913 55.8 3188 93.0 3825 111.6 4463 130.2 5547 161.8
103Q-3M (Q3115AM) 2.500 4.9087 12.7500 0.3719 970 638 18.6 1913 55.8 3188 93.0 3825 111.6 4463 130.2 5547 161.8
2.375 4.4301 11.5068 0.3356 1074 576 16.8 1727 50.3 2877 83.9 3453 100.7 4028 117.5 5006 146.0
2.250 3.9761 10.3275 0.3012 1197 517 15.1 1550 45.2 2582 75.3 3099 90.4 3615 105.4 4493 131.0
2.125 3.5466 9.2118 0.2687 1342 461 13.4 1382 40.3 2303 67.2 2764 80.6 3225 94.0 4008 116.9
2.000 3.1416 8.1600 0.2380 1515 408 11.9 1224 35.7 2040 59.5 2448 71.4 2856 83.3 3550 103.5
1.875 2.7612 7.1718 0.2092 1724 359 10.5 1076 31.4 1793 52.3 2152 62.8 2511 73.2 3120 91.0
1.750 2.4053 6.2475 0.1822 1979 313 9.1 938 27.3 1562 45.6 1875 54.7 2187 63.8 2718 79.3
1.625 2.0739 5.3869 0.1571 2295 270 7.9 809 23.6 1347 39.3 1617 47.1 1886 55.0 2344 68.3
103Q-3MS (Q3115MS) 1.500 1.7671 4.5900 0.1339 2694 230 6.7 689 20.1 1148 33.5 1377 40.2 1607 46.9 1997 58.2
1.375 1.4849 3.8569 0.1125 3206 193 5.6 579 16.9 965 28.1 1158 33.7 1350 39.4 1678 48.9
1.250 1.2272 3.1875 0.0930 3879 160 4.6 479 13.9 797 23.2 957 27.9 1116 32.5 1387 40.4
1.125 0.9940 2.5819 0.0753 4789 130 3.8 388 11.3 646 18.8 775 22.6 904 26.4 1124 32.8
103Q-3H (Q3115H) 1.000 0.7854 2.0400 0.0595 6061 102 3.0 306 8.9 510 14.9 612 17.8 714 20.8 888 25.9
0.875 0.6013 1.5619 0.0456 7916 79 2.3 235 6.8 391 11.4 469 13.7 547 15.9 680 19.8
0.750 0.4418 1.1475 0.0335 10000 58 1.7 173 5.0 287 8.4 345 10.0 402 11.7 500 14.6
  Brake Horsepower required 12 35 59 70 82 102
PUMP Metric Units 50 RPM 150 RPM 250 RPM 300 RPM 350 RPM 435 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.
103Q-3L (Q3115AL) 76 45.604 0.1216 0.0338 4643 6.1 1.69 18.2 5.07 30.4 8.45 36.5 10.14 42.6 11.82 52.9 14.70
73 41.883 0.1117 0.0310 5055 5.6 1.55 16.8 4.65 27.9 7.76 33.5 9.31 39.1 10.86 48.6 13.50
70 38.320 0.1022 0.0284 5526 5.1 1.42 15.3 4.26 25.5 7.10 30.7 8.52 35.8 9.94 44.5 12.35
67 34.915 0.0931 0.0259 6064 4.7 1.29 14.0 3.88 23.3 6.47 27.9 7.76 32.6 9.05 40.5 11.25
64 31.669 0.0845 0.0235 6686 4.2 1.17 12.7 3.52 21.1 5.87 25.3 7.04 29.6 8.21 36.7 10.21
103Q-3M (Q3115AM) 64 31.669 0.0845 0.0235 6686 4.2 1.17 12.7 3.52 21.1 5.87 25.3 7.04 29.6 8.21 36.7 10.21
60 28.581 0.0762 0.0212 7408 3.8 1.06 11.4 3.18 19.1 5.29 22.9 6.35 26.7 7.41 33.2 9.21
57 25.652 0.0684 0.0190 8254 3.4 0.95 10.3 2.85 17.1 4.75 20.5 5.70 23.9 6.65 29.8 8.27
54 22.881 0.0610 0.0170 9254 3.1 0.85 9.2 2.54 15.3 4.24 18.3 5.09 21.4 5.93 26.5 7.37
51 20.268 0.0540 0.0150 10447 2.7 0.75 8.1 2.25 13.5 3.75 16.2 4.50 18.9 5.26 23.5 6.53
48 17.814 0.0475 0.0132 11886 2.4 0.66 7.1 1.98 11.9 3.30 14.3 3.96 16.6 4.62 20.7 5.74
44 15.518 0.0414 0.0115 13645 2.1 0.57 6.2 1.72 10.3 2.87 12.4 3.45 14.5 4.02 18.0 5.00
41 13.380 0.0357 0.0099 15825 1.8 0.50 5.4 1.49 8.9 2.48 10.7 2.97 12.5 3.47 15.5 4.31
103Q-3MS (Q3115MS) 38 11.401 0.0304 0.0084 18572 1.5 0.42 4.6 1.27 7.6 2.11 9.1 2.53 10.6 2.96 13.2 3.67
35 9.580 0.0255 0.0071 22102 1.3 0.35 3.8 1.06 6.4 1.77 7.7 2.13 8.9 2.48 11.1 3.09
32 7.917 0.0211 0.0059 26744 1.1 0.29 3.2 0.88 5.3 1.47 6.3 1.76 7.4 2.05 9.2 2.55
29 6.413 0.0171 0.0048 33017 0.9 0.24 2.6 0.71 4.3 1.19 5.1 1.43 6.0 1.66 7.4 2.07
103Q-3H (Q3115H) 25 5.067 0.0135 0.0038 41787 0.7 0.19 2.0 0.56 3.4 0.94 4.1 1.13 4.7 1.31 5.9 1.63
22 3.879 0.0103 0.0029 54579 0.5 0.14 1.6 0.43 2.6 0.72 3.1 0.86 3.6 1.01 4.5 1.25
19 2.850 0.0076 0.0021 68948 0.4 0.11 1.1 0.32 1.9 0.53 2.3 0.63 2.7 0.74 3.3 0.92
  Kilowatts Required 9 26 44 52 61 76

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 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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