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Specifications

Pump Model Flange Connections Dimensions (Inches)
Discharge Connection Sizes Suction Connection Sizes A B C D E F G H
308T-7XL 4 (101.6)-ANSI 600 FF 10 (254.0)-ANSI 150 FF 10 14 3/8 34 36 46 5/8 70 5/16 16 11/16 7 1/8
308T-7L 4 (101.6)-ANSI 900 FF 6 (152.4)-ANSI 150 FF 8 1/4 11 1/8 33 33 46 3/4 71 1/8 15 3/16 1 3/8
308T-7M 2.5 (63.5)-ANSI 1500 FF 4 (101.6)-ANSI 300 FF 6 7/8 8 3/4 33 33 46 3/4 71 1/2 13 9/16 -1 1/2
308T-7H 2 (50.8)-ANSI 2500 RTJ 4 (101.6)-ANSI 300 RF 3 7/16 12 7/16 31 34 48 5/16 68 3/8 11 7/16 2 3/16

Performance Data

PUMP English Units 100 RPM 133 RPM 166 RPM 199 RPM 232 RPM 265 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
308T-7XL (HP360XL) 5.750 25.9672 82.3820 2.4028 747 8239 240.3 10957 319.6 13676 398.9 16395 478.2 19113 557.5 21832 636.7
5.500 23.7583 75.3741 2.1984 817 7538 219.8 10025 292.4 12513 364.9 15000 437.5 17487 510.0 19975 582.6
5.250 21.6475 68.6776 2.0031 896 6868 200.3 9135 266.4 11401 332.5 13667 398.6 15934 464.7 18200 530.8
5.000 19.6349 62.2926 1.8169 988 6230 181.7 8285 241.6 10341 301.6 12397 361.6 14452 421.5 16508 481.5
4.750 17.7205 56.2191 1.6397 1095 5622 164.0 7478 218.1 9333 272.2 11188 326.3 13043 380.4 14899 434.5
4.500 15.9043 50.4570 1.4717 1220 5046 147.2 6711 195.7 8376 244.3 10041 292.9 11707 341.4 13372 390.0
308T-7L (HP360AL) 4.250 14.1862 45.0064 1.3127 1368 4501 131.3 5986 174.6 7472 217.9 8957 261.2 10442 304.5 11927 347.9
4.125 13.3640 42.3979 1.2366 1452 4240 123.7 5639 164.5 7039 205.3 8438 246.1 9837 286.9 11236 327.7
4.000 12.5664 39.8673 1.1628 1544 3987 116.3 5303 154.7 6618 193.0 7934 231.4 9250 269.8 10565 308.1
3.875 11.7932 37.4145 1.0913 1645 3742 109.1 4977 145.1 6211 181.1 7446 217.2 8681 253.2 9915 289.2
3.750 11.0447 35.0396 1.0220 1757 3504 102.2 4661 135.9 5817 169.7 6973 203.4 8130 237.1 9286 270.8
3.625 10.3206 32.7426 0.9550 1880 3275 95.5 4355 127.0 5436 158.5 6516 190.0 7597 221.6 8677 253.1
3.500 9.6211 30.5234 0.8903 2016 3053 89.0 4060 118.4 5067 147.8 6075 177.2 7082 206.5 8089 235.9
3.375 8.9462 28.3821 0.8278 2169 2839 82.8 3775 110.1 4712 137.4 5649 164.7 6585 192.1 7522 219.4
308T-7M (HP360AM) 3.250 8.2958 26.3186 0.7676 2339 2632 76.8 3501 102.1 4369 127.4 5238 152.8 6106 178.1 6975 203.4
3.125 7.6699 24.3331 0.7097 2529 2434 71.0 3237 94.4 4040 117.8 4843 141.2 5646 164.7 6449 188.1
3.000 7.0686 22.4253 0.6541 2745 2243 65.4 2983 87.0 3723 108.6 4463 130.2 5203 151.7 5943 173.3
2.875 6.4918 20.5955 0.6007 2988 2060 60.1 2740 79.9 3419 99.7 4099 119.5 4779 139.4 5458 159.2
2.750 5.9396 18.8435 0.5496 3266 1885 55.0 2507 73.1 3129 91.2 3750 109.4 4372 127.5 4994 145.6
2.500 4.9087 15.5732 0.4542 3600 1558 45.4 2072 60.4 2586 75.4 3100 90.4 3613 105.4 4127 120.4
2.250 3.9761 12.6143 0.3679 3600 1262 36.8 1678 48.9 2094 61.1 2511 73.2 2927 85.4 3343 97.5
308T-7H (HP360H) 2.125 3.5466 11.2516 0.3282 5470 1126 32.8 1497 43.6 1868 54.5 2240 65.3 2611 76.1 2982 87.0
2.000 3.1416 9.9668 0.2907 6170 997 29.1 1326 38.7 1655 48.3 1984 57.8 2313 67.4 2642 77.0
1.875 2.7612 8.7599 0.2555 6170 876 25.5 1166 34.0 1455 42.4 1744 50.8 2033 59.3 2322 67.7
1.750 2.4053 7.6308 0.2226 6170 764 22.3 1665 29.6 1267 36.9 1519 44.3 1771 51.6 2023 59.0
  Brake Horsepower required 117 155 194 232 270 308
PUMP Metric Units 100 RPM 133 RPM 166 RPM 199 RPM 232 RPM 265 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.
308T-7XL (HP360XL) 146 167.530 0.5457 0.1516 5151 54.6 15.2 72.6 20.2 90.6 25.2 108.6 30.2 126.6 35.2 144.6 40.2
140 153.279 0.4993 0.1387 5630 49.9 13.9 66.4 18.4 82.9 23.0 99.4 27.6 115.8 32.2 132.3 36.8
133 139.661 0.4549 0.1264 6179 45.5 12.6 60.5 16.8 75.5 21.0 90.5 25.1 105.5 29.3 120.5 33.5
127 126.677 0.4126 0.1146 6812 41.3 11.5 54.9 15.2 68.5 19.0 82.1 22.8 95.7 26.6 109.3 30.4
121 114.326 0.3724 0.1035 7548 37.2 10.3 49.5 13.8 61.8 17.2 74.1 20.6 86.4 24.0 98.7 27.4
114 102.608 0.3342 0.0928 8410 33.4 9.3 44.5 12.3 55.5 15.4 66.5 18.5 77.5 21.5 88.6 24.6
308T-7L (HP360AL) 108 91.524 0.2981 0.0828 9429 29.8 8.3 39.6 11.0 49.5 13.7 59.3 16.5 69.2 19.2 79.0 21.9
105 86.219 0.2808 0.0780 10009 28.1 7.8 37.4 10.4 46.6 13.0 55.9 15.5 65.2 18.1 74.4 20.7
102 81.073 0.2641 0.0734 10644 26.4 7.3 35.1 9.8 43.8 12.2 52.6 14.6 61.3 17.0 70.0 19.4
98 76.085 0.2478 0.0688 11342 24.8 6.9 33.0 9.2 41.1 11.4 49.3 13.7 57.5 16.0 65.7 18.2
95 71.256 0.2321 0.0645 12111 23.2 6.4 30.9 8.6 38.5 10.7 46.2 12.8 53.8 15.0 61.5 17.1
92 66.584 0.2169 0.0603 12960 21.7 6.0 28.8 8.0 36.0 10.0 43.2 12.0 50.3 14.0 57.5 16.0
89 62.072 0.2022 0.0562 13903 20.2 5.6 26.9 7.5 33.6 9.3 40.2 11.2 46.9 13.0 53.6 14.9
86 57.717 0.1880 0.0522 14952 18.8 5.2 25.0 6.9 31.2 8.7 37.4 10.4 43.6 12.1 49.8 13.8
308T-7M (HP360AM) 83 53.521 0.1743 0.0484 16124 17.4 4.8 23.2 6.4 28.9 8.0 34.7 9.6 40.4 11.2 46.2 12.8
79 49.483 0.1612 0.0448 17439 16.1 4.5 21.4 6.0 26.8 7.4 32.1 8.9 37.4 10.4 42.7 11.9
76 45.604 0.1485 0.0413 18923 14.9 4.1 19.8 5.5 24.7 6.9 29.6 8.2 34.5 9.6 39.4 10.9
73 41.883 0.1364 0.0379 20604 13.6 3.8 18.1 5.0 22.6 6.3 27.1 7.5 31.6 8.8 36.2 10.0
70 38.320 0.1248 0.0347 22520 12.5 3.5 16.6 4.6 20.7 5.8 24.8 6.9 29.0 8.0 33.1 9.2
64 31.669 0.1032 0.0287 24821 10.3 2.9 13.7 3.8 17.1 4.8 20.5 5.7 23.9 6.6 27.3 7.6
57 25.652 0.0836 0.0232 24821 8.4 2.3 11.1 3.1 13.9 3.9 16.6 4.6 19.4 5.4 22.1 6.2
308T-7H (HP360H) 54 22.881 0.0745 0.0207 37715 7.5 2.1 9.9 2.8 12.4 3.4 14.8 4.1 17.3 4.8 19.7 5.5
51 20.268 0.0660 0.0183 42542 6.6 1.8 8.8 2.4 11.0 3.0 13.1 3.6 15.3 4.3 17.5 4.9
48 17.814 0.0580 0.0161 42542 5.8 1.6 7.7 2.1 9.6 2.7 11.5 3.2 13.5 3.7 15.4 4.3
44 15.518 0.0505 0.0140 42542 5.1 1.4 6.7 1.9 8.4 2.3 10.1 2.8 11.7 3.3 13.4 3.7
  Kilowatts Required 87 116 145 173 201 230

For operation below 150 RPM, an "optional" externally-mounted 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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