Specifications

Pump Model Flange Connections
Discharge Connection Sizes Suction Connection Sizes
3774 2" - 2500# ANSI 4" - 300#
3775 3" -1500# ANSI 6" - 300# ANSI
3776 3" - 600# ANSI 6" - 300# ANSI

Performance Data

PUMP English Units 100 RPM 200 RPM 300 RPM 360 RPM
Plunger Dia. In. GPM per RPM Max. Press. PSI BPD GPM BPD GPM BPD GPM BPD GPM
3774 1 1/2 0.1147 5000 395 11.5 785 22.9 1180 34.4 1415 41.3
1 3/4 0.1562 5000 535 15.6 1070 31.2 1610 46.9 1925 56.2
2 0.204 3820 700 20.4 1400 40.8 2100 61.2 2515 73.4
2 1/4 0.2582 3020 885 25.8 1770 51.6 2655 77.5 3185 92.9
3775 2 1/4 0.2582 3020 885 25.8 1770 51.6 2655 77.5 3185 92.9
2 1/2 0.3188 2445 1095 31.9 2185 63.8 3280 95.6 3935 114.8
2 3/4 0.3857 2020 1325 38.6 2645 77.1 3965 115.7 4760 138.9
3 0.459 1700 1575 45.9 3145 91.8 4720 137.7 5665 165.2
3 1/4 0.5387 1445 1850 53.9 3695 107.7 5540 161.6 6650 193.9
3776 3 1/4 0.5387 1445 1850 53.9 3695 107.7 5540 161.6 665 193.9
3 1/2 0.6247 1250 2145 62.5 4280 124.9 6425 187.4 7710 224.9
3 3/4 0.7172 1090 2460 71.7 4915 143.4 7380 215.2 8855 258.2
4 0.816 955 2800 81.6 5595 163.2 8395 244.8 10075 293.8
  Brake Horsepower required 49.9 100.1 150.4 180

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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IEQ Industries

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