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The Saigao Model Q290 is a single acting quintuplex plunger pump rated at 290 HP in continuous duty services and up to 346 HP in intermittent duty. This versatile pump is offered with a variety of material and design options that make it ideal for general industrial, reverse osmosis, and typical applications involved in the production of oil and natural gas.
Specifications | ||||||
English Units | Metric Units | Continuous | Intermittent | |||
Stroke Length | 3.5 in | 89 mm | Rated bhp | 290 HP | 346 HP | |
Rated Rod Load | 13889 lb | 6300 Kg | Maximum Speed | 420 rpm | 500 rpm | |
Pump Weight | 3086 lb | 1400 Kg | Minimum Speed | 90 rpm | 75 rpm | |
Oil Capacity | 18.8 gal | 71 L | Max. plunger size x stroke length. | 101x89mm | ||
Max. Fluid Temp | 284 °F | 150 °C | Crankshaft extension Dia.x length | 103x223 mm | ||
Mechanical Efficiency | 90% | Keyway (width x depth x length) | 28x10x214 mm | |||
（Volumes indicated are displacement of incompressible fluid）
plunger Dia. | L/RPM | Gal/RPM | Max.Press. | pump speed=90RPM | pump speed=200RPM | pump speed=250RPM | pump speed=300RPM | pump speed=420RPM | pump speed=500RPM | ||||||||||||||
mm | in | Mpa | Psi | LPM | GPM | M3/h | LPM | GPM | M3/h | LPM | GPM | M3/h | LPM | GPM | M3/h | LPM | GPM | M3/h | LPM | GPM | M3/h | ||
28 | 1.10 | 0.274 | 0.072 | 100.0 | 14500 | 24.6 | 6.5 | 1.5 | 54.8 | 14.5 | 3.3 | 68.5 | 18.1 | 4.1 | 82.2 | 21.7 | 4.9 | 115.0 | 30.4 | 6.9 | 136.9 | 36.2 | 8.2 |
31 | 1.22 | 0.336 | 0.089 | 80.0 | 11600 | 30.2 | 8.0 | 1.8 | 67.1 | 17.7 | 4.0 | 83.9 | 22.2 | 5.0 | 100.7 | 26.6 | 6.0 | 141.0 | 37.2 | 8.5 | 167.9 | 44.3 | 10.1 |
35 | 1.38 | 0.428 | 0.113 | 63.0 | 9135 | 38.5 | 10.2 | 2.3 | 85.6 | 22.6 | 5.1 | 107.0 | 28.3 | 6.4 | 128.4 | 33.9 | 7.7 | 179.7 | 47.5 | 10.8 | 214.0 | 56.5 | 12.8 |
40 | 1.57 | 0.559 | 0.148 | 50.0 | 7250 | 50.3 | 13.3 | 3.0 | 111.8 | 29.5 | 6.7 | 139.7 | 36.9 | 8.4 | 167.7 | 44.3 | 10.1 | 234.7 | 62.0 | 14.1 | 279.5 | 73.8 | 16.8 |
44 | 1.73 | 0.676 | 0.179 | 40.0 | 5800 | 60.9 | 16.1 | 3.7 | 135.3 | 35.7 | 8.1 | 169.1 | 44.7 | 10.1 | 202.9 | 53.6 | 12.2 | 284.0 | 75.0 | 17.0 | 338.1 | 89.3 | 20.3 |
50 | 1.97 | 0.873 | 0.231 | 32.0 | 4640 | 78.6 | 20.8 | 4.7 | 174.7 | 46.1 | 10.5 | 218.3 | 57.7 | 13.1 | 262.0 | 69.2 | 15.7 | 366.8 | 96.9 | 22.0 | 436.7 | 115.4 | 26.2 |
56 | 2.20 | 1.095 | 0.289 | 25.0 | 3625 | 98.6 | 26.0 | 5.9 | 219.1 | 57.9 | 13.1 | 273.9 | 72.3 | 16.4 | 328.6 | 86.8 | 19.7 | 460.1 | 121.5 | 27.6 | 547.7 | 144.7 | 32.9 |
63 | 2.48 | 1.386 | 0.366 | 20.0 | 2900 | 124.8 | 33.0 | 7.5 | 277.3 | 73.3 | 16.6 | 346.6 | 91.6 | 20.8 | 415.9 | 109.9 | 25.0 | 582.3 | 153.8 | 34.9 | 693.2 | 183.1 | 41.6 |
70 | 2.76 | 1.712 | 0.452 | 16.0 | 2320 | 154.1 | 40.7 | 9.2 | 342.3 | 90.4 | 20.5 | 427.9 | 113.0 | 25.7 | 513.5 | 135.7 | 30.8 | 718.9 | 189.9 | 43.1 | 855.8 | 226.1 | 51.4 |
80 | 3.15 | 2.236 | 0.591 | 12.5 | 1813 | 201.2 | 53.2 | 12.1 | 447.1 | 118.1 | 26.8 | 558.9 | 147.6 | 33.5 | 670.7 | 177.2 | 40.2 | 939.0 | 248.1 | 56.3 | 1117.8 | 295.3 | 67.1 |
89 | 3.50 | 2.767 | 0.731 | 10.0 | 1450 | 249.0 | 65.8 | 14.9 | 553.4 | 146.2 | 33.2 | 691.8 | 182.7 | 41.5 | 830.1 | 219.3 | 49.8 | 1162.1 | 307.0 | 69.7 | |||
100 | 3.937 | 3.493 | 0.923 | 8.0 | 1160 | 314.4 | 83.1 | 18.9 | 698.7 | 184.6 | 41.9 | 873.3 | 230.7 | 52.4 | 1048.0 | 276.8 | 62.9 | ||||||
Brake Horsepower Required | 62.4 | 138.8 | 173.4 | 208.1 | 291.4 （Continuous work） | 346.6 | |||||||||||||||||
*Flows are based on 100% volumetric efficiency. Brake Horsepower /Kilowatts Required is based on 90% Mechanical Efficiency.Consult Saigao for continuous service speeds in excess of 420 RPM.
Not all plunger sizes are shown, Additional plunger sizes are available.Please contact Saigao for more details. Standard configuration is a single extended crank, double extending crankshaft please contact Saigao.
Discharge and Suction Connection mode and size please contact Saigao.
0531-69959201
lqg18653457231
+86-18653457231
No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China
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