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Specifications

Pump Model Flange Connections Dimensions (Inches)
Discharge Connection Sizes Suction Connection Sizes A B C D E F
55T-3L 2 (50.8)-11 1/2 NPT 2 1/2 (63.5)-8 NPT 3 3/16 3 3/4 28 3/4 39 3/16 18 5 11/32
55T-3SC 2 (50.8)-11 1/2 NPT 2 1/2 (63.5)-8 NPT 3 3/16 3 3/4 28 3/4 41 18 6 13/32
55T-3LS 1 1/2 (38.1)-11 1/2 NPT 2 (50.8)-11 1/2 NPT 3 3/8 4 28 3/4 41 18 1/2 6 15/32
55T-3M 2 (50.8)-11 1/2 NPT 2 1/2 (63.5)-8 NPT 3 3/16 3 3/4 28 3/4 39 3/16 18 5 11/32
55T-3MS 1 1/2 (38.1)-11 1/2 NPT 2 (50.8)-11 1/2 NPT 3 3/8 4 28 3/4 41 18 1/2 6 15/32
55T-3H 1 1/2 (38.1)-11 1/2 NPT 2 (50.8)-11 1/2 NPT 3 3/8 4 28 3/4 41 18 1/2 6 15/32

Performance Data

PUMP English Units 100 RPM 200 RPM 250 RPM 350 RPM 420 RPM 500 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
55T-3L (3364-7) 2.500 4.9087 6.5571 0.1912 890 656 19.12 1312 38.25 1640 47.81 2295 66.94 2754 80.32 3279 95.62
2.250 3.9761 5.3113 0.1549 1099 532 15.49 1063 30.98 1328 38.73 1859 54.22 2231 65.06 2656 77.46
2.000 3.1416 4.1966 0.1224 1391 420 12.24 840 24.48 1050 30.60 1469 42.84 1763 51.41 2099 61.20
55T-3SC (3364-5SC) 2.250 3.9761 5.3113 0.1549 1099 532 15.49 1063 30.98 1328 38.73 1859 54.22 2231 65.06 2656 77.46
2.000 3.1416 4.1966 0.1224 1391 420 12.24 840 24.48 1050 30.60 1469 42.84 1763 51.41 2099 61.20
1.750 2.4053 3.2130 0.0937 1817 322 9.37 643 18.74 804 23.43 1125 32.80 1350 39.36 1607 46.86
55T-3LS (3364-6) 2.500 4.9087 6.5571 0.1912 890 656 19.12 1312 38.25 1640 47.81 2295 66.94 2754 80.32 3279 95.62
2.250 3.9761 5.3113 0.1549 1099 532 15.49 1063 30.98 1328 38.73 1859 54.22 2231 65.06 2656 77.46
2.000 3.1416 4.1966 0.1224 1391 420 12.24 840 24.48 1050 30.60 1469 42.84 1763 51.41 2099 61.20
1.750 2.4053 3.2130 0.0937 1480 322 9.37 643 18.74 804 23.43 1125 32.80 1350 39.36 1607 46.86
55T-3M (3364-3) 1.750 2.4053 3.2130 0.0937 1817 322 9.37 643 18.74 804 23.43 1125 32.80 1350 39.36 1607 46.86
1.500 1.7671 2.3606 0.0688 1817 237 6.88 473 13.77 591 17.21 827 24.10 992 28.92 1181 34.42
1.250 1.2272 1.6393 0.0478 1817 164 4.78 328 9.56 410 11.95 574 16.73 689 20.08 820 23.91
55T-3MS (3364-2) 1.750 2.4053 3.2130 0.0937 1817 322 9.37 643 18.74 804 23.43 1125 32.80 1350 39.36 1607 46.86
1.500 1.7671 2.3606 0.0688 2473 237 6.88 473 13.77 591 17.21 827 24.10 992 28.92 1181 34.42
55T-3H (3364-1) 1.250 1.2272 1.6393 0.0478 3300 164 4.78 328 9.56 410 11.95 574 16.73 689 20.08 820 23.91
1.000 0.7854 1.0491 0.0306 3300 105 3.06 210 6.12 263 7.65 368 10.71 441 12.85 525 15.30
  Brake Horsepower required 11 22 28 39 46 55
PUMP Metric Units 100 RPM 200 RPM 250 RPM 350 RPM 420 RPM 500 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.
55T-3L (3364-7) 64 31.669 0.0434 0.0121 6138 4.34 1.21 8.69 2.41 10.86 3.02 15.20 4.22 18.24 5.07 21.72 6.03
57 25.652 0.0352 0.0098 7578 3.52 0.98 7.04 1.95 8.80 2.44 12.31 3.42 14.78 4.10 17.59 4.89
51 20.268 0.0278 0.0077 9591 2.78 0.77 5.56 1.54 6.95 1.93 9.73 2.70 11.67 3.24 13.90 3.86
55T-3SC (3364-5SC) 57 25.652 0.0352 0.0098 7578 3.52 0.98 7.04 1.95 8.80 2.44 12.31 3.42 14.78 4.10 17.59 4.89
51 20.268 0.0278 0.0077 9591 2.78 0.77 5.56 1.54 6.95 1.93 9.73 2.70 11.67 3.24 13.90 3.86
44 15.518 0.0213 0.0059 12527 2.13 0.59 4.26 1.18 5.32 1.48 7.45 2.07 8.94 2.48 10.64 2.96
55T-3LS (3364-6) 64 31.669 0.0434 0.0121 6138 4.34 1.21 8.69 2.41 10.86 3.02 15.20 4.22 18.24 5.07 21.72 6.03
57 25.652 0.0352 0.0098 7578 3.52 0.98 7.04 1.95 8.80 2.44 12.31 3.42 14.78 4.10 17.59 4.89
51 20.268 0.0278 0.0077 9591 2.78 0.77 5.56 1.54 6.95 1.93 9.73 2.70 11.67 3.24 13.90 3.86
44 15.518 0.0213 0.0059 10204 2.13 0.59 4.26 1.18 5.32 1.48 7.45 2.07 8.94 2.48 10.64 2.96
55T-3M (3364-3) 44 15.518 0.0213 0.0059 12527 2.13 0.59 4.26 1.18 5.32 1.48 7.45 2.07 8.94 2.48 10.64 2.96
38 11.401 0.0156 0.0043 12527 1.56 0.43 3.13 0.87 3.91 1.09 5.47 1.52 6.57 1.82 7.82 2.17
32 7.917 0.0109 0.0030 12527 1.09 0.30 2.17 0.60 2.71 0.75 3.80 1.06 4.56 1.27 5.43 1.51
55T-3MS (3364-2) 44 15.518 0.0213 0.0059 12527 2.13 0.59 4.26 1.18 5.32 1.48 7.45 2.07 8.94 2.48 10.64 2.96
38 11.401 0.0156 0.0043 17050 1.56 0.43 3.13 0.87 3.91 1.09 5.47 1.52 6.57 1.82 7.82 2.17
55T-3H (3364-1) 32 7.917 0.0109 0.0030 22753 1.09 0.30 2.17 0.60 2.71 0.75 3.80 1.06 4.56 1.27 5.43 1.51
25 5.067 0.0069 0.0019 22753 0.69 0.19 1.39 0.39 1.74 0.48 2.43 0.68 2.92 0.81 3.47 0.97
  Kilowatts Required 8 16 21 29 35 41

For operation below 100 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. For Speeds above 420 RPM - consult the Factory.

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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