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Specifications

Pump Model Flange Connections Dimensions (Inches)
Discharge Connection Sizes Suction Connection Sizes A B C D E F G
163Q-4L 3 (76.2)-ANSI 600 FF 6 (152.4)-ANSI 150 FF 4 5/8 7 7/8 33 33 3/8 49 7/16 9 5/8 3 3/8
163Q-4M 2 (50.8)-ANSI 1500 FF 4 (101.6)-ANSI 300 FF 5 1/16 5 7/8 33 33 48 11/16 9 1/2 7/8
163Q-4H 2 (50.8)-11 1/2 NPT 3 (76.2)-8 NPT 5 1/16 6 3/16 31 1/2 33 49 1/4 10 3/4 -1 5/8

Performance Data

PUMP English Units 50 RPM 150 RPM 200 RPM 250 RPM 300 RPM 390 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
163Q-4L (HP165AL) 3.375 8.9462 29.8759 0.8714 738 1494 43.6 4482 130.7 5976 174.3 7469 217.8 8963 261.4 11652 339.8
3.250 8.2958 27.7038 0.8080 796 1386 40.4 4156 121.2 5541 161.6 6926 202.0 8312 242.4 10805 315.1
3.125 7.6699 25.6137 0.7471 861 1281 37.4 3843 112.1 5123 149.4 6404 186.8 7685 224.1 9990 291.4
3.000 7.0686 23.6056 0.6885 934 1181 34.4 3541 103.3 4722 137.7 5902 172.1 7082 206.5 9207 268.5
2.875 6.4918 21.6795 0.6323 1017 1084 31.6 3252 94.8 4336 126.5 5420 158.1 6504 189.7 8455 246.6
2.750 5.9396 19.8353 0.5785 1111 992 28.9 2976 86.8 3968 115.7 4959 144.6 5951 173.6 7736 225.6
2.625 5.4119 18.0731 0.5271 1220 904 26.4 2711 79.1 3615 105.4 4519 131.8 5422 158.1 7049 205.6
163Q-4M (HP165AM) 2.500 4.9087 16.3928 0.4781 1345 820 23.9 2459 71.7 3279 95.6 4099 119.5 4918 143.4 6394 186.5
2.375 4.4301 14.7945 0.4315 1490 740 21.6 2220 64.7 2959 86.3 3699 107.9 4439 129.5 5770 168.3
2.250 3.9761 13.2782 0.3873 1660 664 19.4 1992 58.1 2656 77.5 3320 96.8 3984 116.2 5179 151.0
2.125 3.5466 11.8438 0.3454 1861 593 17.3 1777 51.8 2369 69.1 2961 86.4 3554 103.6 4620 134.7
2.000 3.1416 10.4914 0.3060 2101 525 15.3 1574 45.9 2099 61.2 2623 76.5 3148 91.8 4092 119.3
1.875 2.7612 9.2209 0.2689 2390 462 13.4 1384 40.3 1845 53.8 2306 67.2 2767 80.7 3597 104.9
1.750 2.4053 8.0325 0.2343 2744 402 11.7 1205 35.1 1607 46.9 2009 58.6 2410 70.3 3133 91.4
163Q-4H (HP165MS) 1.625 2.0739 6.9260 0.2020 3182 347 10.1 1039 30.3 1386 40.4 1732 50.5 2078 60.6 2702 78.8
1.500 1.7671 5.9014 0.1721 3735 296 8.6 886 25.8 1181 34.4 1476 43.0 1771 51.6 2302 67.1
1.375 1.4849 4.9588 0.1446 4445 248 7.2 744 21.7 992 28.9 1240 36.2 1488 43.4 1934 56.4
1.250 1.2272 4.0982 0.1195 5378 205 6.0 615 17.9 820 23.9 1025 29.9 1230 35.9 1599 46.6
  Brake Horsepower required 21 63 84 104 125 163
PUMP Metric Units 50 RPM 150 RPM 200 RPM 250 RPM 300 RPM 390 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.
163Q-4L (HP165AL) 86 57.717 0.1979 0.0550 5087 9.9 2.7 29.7 8.2 39.6 11.0 49.5 13.7 59.4 16.5 77.2 21.4
83 53.521 0.1835 0.0510 5485 9.2 2.5 27.5 7.6 36.7 10.2 45.9 12.7 55.1 15.3 71.6 19.9
79 49.483 0.1697 0.0471 5933 8.5 2.4 25.4 7.1 33.9 9.4 42.4 11.8 50.9 14.1 66.2 18.4
76 45.604 0.1564 0.0434 6438 7.8 2.2 23.5 6.5 31.3 8.7 39.1 10.9 46.9 13.0 61.0 16.9
73 41.883 0.1436 0.0399 7010 7.2 2.0 21.5 6.0 28.7 8.0 35.9 10.0 43.1 12.0 56.0 15.6
70 38.320 0.1314 0.0365 7661 6.6 1.8 19.7 5.5 26.3 7.3 32.8 9.1 39.4 10.9 51.2 14.2
67 34.915 0.1197 0.0333 8408 6.0 1.7 18.0 5.0 23.9 6.7 29.9 8.3 35.9 10.0 46.7 13.0
163Q-4M (HP165AM) 64 31.669 0.1086 0.0302 9270 5.4 1.5 16.3 4.5 21.7 6.0 27.1 7.5 32.6 9.0 42.3 11.8
60 28.581 0.0980 0.0272 10272 4.9 1.4 14.7 4.1 19.6 5.4 24.5 6.8 29.4 8.2 38.2 10.6
57 25.652 0.0880 0.0244 11445 4.4 1.2 13.2 3.7 17.6 4.9 22.0 6.1 26.4 7.3 34.3 9.5
54 22.881 0.0785 0.0218 12831 3.9 1.1 11.8 3.3 15.7 4.4 19.6 5.4 23.5 6.5 30.6 8.5
51 20.268 0.0695 0.0193 14485 3.5 1.0 10.4 2.9 13.9 3.9 17.4 4.8 20.8 5.8 27.1 7.5
48 17.814 0.0611 0.0170 16481 3.1 0.8 9.2 2.5 12.2 3.4 15.3 4.2 18.3 5.1 23.8 6.6
44 15.518 0.0532 0.0148 18919 2.7 0.7 8.0 2.2 10.6 3.0 13.3 3.7 16.0 4.4 20.7 5.8
163Q-4H (HP165MS) 41 13.380 0.0459 0.0127 21942 2.3 0.6 6.9 1.9 9.2 2.5 11.5 3.2 13.8 3.8 17.9 5.0
38 11.401 0.0391 0.0109 25751 2.0 0.5 5.9 1.6 7.8 2.2 9.8 2.7 11.7 3.3 15.2 4.2
35 9.580 0.0328 0.0091 30646 1.6 0.5 4.9 1.4 6.6 1.8 8.2 2.3 9.9 2.7 12.8 3.6
32 7.917 0.0271 0.0075 37081 1.4 0.4 4.1 1.1 5.4 1.5 6.8 1.9 8.1 2.3 10.6 2.9
  Kilowatts Required 16 47 63 78 93 121

For operation below 50 RPM, an auxiliary lubrication system is required. Operation below 150 RPM requires an "optional" externally-mounted electric motor-driven auxillary lubrication system.

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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P.O. Box 123 Ada, MI 49301 Phone: 800.544.9053 Fax: 888.796.2653