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The Saigao Model Q440 is a single acting quintuplex plunger pump rated at 400 HP in continuous duty services and up to 450 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 | 4.53 in | 115 mm | Rated bhp | 400 HP | 450 HP | |
Rated Rod Load | 15873 lb | 7200 Kg | Maximum Speed | 390 rpm | 440 rpm | |
Pump Weight | 4188 lb | 1900 Kg | Minimum Speed | 90 rpm | 75 rpm | |
Oil Capacity | gal | 95 L | Max. plunger size x stroke length. | 108x115mm | ||
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=390RPM | pump speed=440RPM | ||||||||||||||
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 | ||
30 | 1.18 | 0.406 | 0.1073 | 100.0 | 14500 | 36.6 | 9.7 | 2.2 | 60.9 | 16.1 | 3.7 | 101.6 | 26.8 | 6.1 | 121.9 | 32.2 | 7.3 | 158.4 | 41.9 | 9.5 | 178.7 | 47.2 | 10.7 |
33 | 1.30 | 0.492 | 0.1299 | 80.0 | 11600 | 44.2 | 11.7 | 2.7 | 73.7 | 19.5 | 4.4 | 122.9 | 32.5 | 7.4 | 147.5 | 39.0 | 8.8 | 191.7 | 50.6 | 11.5 | 216.3 | 57.1 | 13.0 |
38 | 1.50 | 0.652 | 0.1722 | 63.0 | 9135 | 58.7 | 15.5 | 3.5 | 97.8 | 25.8 | 5.9 | 162.9 | 43.0 | 9.8 | 195.5 | 51.7 | 11.7 | 254.2 | 67.2 | 15.3 | 286.8 | 75.8 | 17.2 |
42 | 1.65 | 0.796 | 0.2103 | 50.0 | 7250 | 71.7 | 18.9 | 4.3 | 119.4 | 31.6 | 7.2 | 199.1 | 52.6 | 11.9 | 238.9 | 63.1 | 14.3 | 310.5 | 82.0 | 18.6 | 350.3 | 92.5 | 21.0 |
47 | 1.85 | 0.997 | 0.2634 | 40.0 | 5800 | 89.7 | 23.7 | 5.4 | 149.6 | 39.5 | 9.0 | 249.3 | 65.9 | 15.0 | 299.1 | 79.0 | 17.9 | 388.9 | 102.7 | 23.3 | 438.7 | 115.9 | 26.3 |
53 | 2.09 | 1.268 | 0.3349 | 32.0 | 4640 | 114.1 | 30.1 | 6.8 | 190.2 | 50.2 | 11.4 | 317.0 | 83.7 | 19.0 | 380.4 | 100.5 | 22.8 | 494.5 | 130.6 | 29.7 | 557.9 | 147.4 | 33.5 |
60 | 2.36 | 1.625 | 0.4293 | 25.0 | 3625 | 146.2 | 38.6 | 8.8 | 243.7 | 64.4 | 14.6 | 406.2 | 107.3 | 24.4 | 487.5 | 128.8 | 29.2 | 633.7 | 167.4 | 38.0 | 715.0 | 188.9 | 42.9 |
67 | 2.64 | 2.026 | 0.5353 | 20.0 | 2900 | 182.4 | 48.2 | 10.9 | 303.9 | 80.3 | 18.2 | 506.6 | 133.8 | 30.4 | 607.9 | 160.6 | 36.5 | 790.2 | 208.8 | 47.4 | 891.5 | 235.5 | 53.5 |
75 | 2.95 | 2.539 | 0.6707 | 16.0 | 2320 | 228.5 | 60.4 | 13.7 | 380.8 | 100.6 | 22.9 | 634.7 | 167.7 | 38.1 | 761.7 | 201.2 | 45.7 | 990.2 | 261.6 | 59.4 | 1117.2 | 295.1 | 67.0 |
85 | 3.35 | 3.261 | 0.8615 | 12.5 | 1813 | 293.5 | 77.5 | 17.6 | 489.2 | 129.2 | 29.4 | 815.3 | 215.4 | 48.9 | 978.4 | 258.5 | 58.7 | 1271.9 | 336.0 | 76.3 | 1434.9 | 379.1 | 86.1 |
95 | 3.74 | 4.074 | 1.0761 | 10.0 | 1450 | 366.6 | 96.9 | 22.0 | 611.0 | 161.4 | 36.7 | 1018.4 | 269.0 | 61.1 | 1222.1 | 322.8 | 73.3 | 1588.7 | 419.7 | 95.3 | |||
107 | 4.21 | 5.168 | 1.3652 | 8.0 | 1160 | 465.1 | 122.9 | 27.9 | 775.2 | 204.8 | 46.5 | 1291.9 | 341.3 | 77.5 | 1550.3 | 409.6 | 93.0 | ||||||
Brake Horsepower Required | 92.4 | 153.9 | 256.6 | 307.9 | 400.3（Continuous work） | 451.6 | |||||||||||||||||
*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 390 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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