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The Saigao Model Q340 is a single acting quintuplex plunger / piston pump rated at 340 HP in continuous duty services and up to 390 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 | 125 mm | Rated bhp | 340 HP | 390HP | ||
Rated Rod Load | 13999 lb | 6350 Kg | Maximum Speed | 350 rpm | 400 rpm | |
Pump Weight | 6393 lb | 2900 Kg | Minimum Speed | 90 rpm | 75 rpm | |
Oil Capacity | 34.9 gal | 132 L | Max. plunger size x stroke length. | 127x125mm | ||
Max. Fluid Temp | 284 °F | 140 °C | Crankshaft extension Dia.x length | 110x250 mm | ||
Mechanical Efficiency | 90% | Keyway (width x depth x length) | 28x10x234 mm | |||
（Volumes indicated are displacement of incompressible fluid）
PlungerDia. | L/RPM | Gal/RPM | Max.Press. | pump speed=90RPM | pump speed=150RPM | pump speed=250RPM | pump speed=300RPM | pump speed=350RPM | pump speed=400RPM | ||||||||||||||
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 | ||
31 | 1.22 | 0.471 | 0.125 | 80.0 | 11600 | 42.4 | 11.2 | 2.5 | 70.7 | 18.7 | 4.2 | 117.9 | 31.1 | 7.1 | 141.4 | 37.4 | 8.5 | 165.0 | 43.6 | 9.9 | 188.6 | 49.8 | 11.3 |
35 | 1.38 | 0.601 | 0.159 | 63.0 | 9135 | 54.1 | 14.3 | 3.2 | 90.2 | 23.8 | 5.4 | 150.3 | 39.7 | 9.0 | 180.3 | 47.6 | 10.8 | 210.4 | 55.6 | 12.6 | 225.4 | 63.5 | 13.5 |
40 | 1.57 | 0.785 | 0.207 | 50.0 | 7250 | 70.7 | 18.7 | 4.2 | 117.8 | 31.1 | 7.1 | 196.3 | 51.8 | 11.8 | 235.5 | 62.2 | 14.1 | 274.8 | 72.6 | 16.5 | 314.0 | 82.9 | 18.8 |
44 | 1.73 | 0.950 | 0.251 | 40.0 | 5800 | 85.5 | 22.6 | 5.1 | 142.5 | 37.6 | 8.5 | 237.5 | 62.7 | 14.2 | 285.0 | 75.3 | 17.1 | 332.4 | 87.8 | 19.9 | 356.2 | 100.4 | 21.4 |
50 | 1.97 | 1.227 | 0.324 | 32.0 | 4640 | 110.4 | 29.2 | 6.6 | 184.0 | 48.6 | 11.0 | 306.6 | 81.0 | 18.4 | 368.0 | 97.2 | 22.1 | 429.3 | 113.4 | 25.8 | 460.0 | 129.6 | 27.6 |
56 | 2.20 | 1.539 | 0.406 | 25.0 | 3625 | 138.5 | 36.6 | 8.3 | 230.8 | 61.0 | 13.8 | 384.7 | 101.6 | 23.1 | 461.6 | 121.9 | 27.7 | 538.5 | 142.3 | 32.3 | 577.0 | 162.6 | 34.6 |
63 | 2.48 | 1.947 | 0.514 | 20.0 | 2900 | 175.3 | 46.3 | 10.5 | 292.1 | 77.2 | 17.5 | 486.8 | 128.6 | 29.2 | 584.2 | 154.3 | 35.1 | 681.6 | 180.0 | 40.9 | 730.2 | 205.8 | 43.8 |
71 | 2.80 | 2.473 | 0.653 | 16.0 | 2320 | 222.6 | 58.8 | 13.4 | 371.0 | 98.0 | 22.3 | 618.3 | 163.3 | 37.1 | 742.0 | 196.0 | 44.5 | 865.6 | 228.7 | 51.9 | 927.5 | 261.3 | 55.6 |
80 | 3.15 | 3.140 | 0.829 | 12.5 | 1813 | 282.6 | 74.7 | 17.0 | 471.0 | 124.4 | 28.3 | 785.0 | 207.4 | 47.1 | 942.0 | 248.8 | 56.5 | 1099.0 | 290.3 | 65.9 | 1177.5 | 331.8 | 70.7 |
89 | 3.50 | 3.886 | 1.027 | 10.0 | 1450 | 349.8 | 92.4 | 21.0 | 582.9 | 154.0 | 35.0 | 971.6 | 256.7 | 58.3 | 1165.9 | 308.0 | 70.0 | 1360.2 | 359.3 | 81.6 | 1457.3 | 410.7 | 87.4 |
100 | 3.94 | 4.906 | 1.296 | 8.0 | 1160 | 441.6 | 116.6 | 26.5 | 735.9 | 194.4 | 44.2 | 1226.6 | 324.0 | 73.6 | 1471.9 | 388.8 | 88.3 | 1717.2 | 453.6 | 103.0 | 1839.8 | 518.4 | 110.4 |
113 | 4.45 | 6.265 | 1.655 | 6.3 | 914 | 563.8 | 148.9 | 33.8 | 939.7 | 248.2 | 56.4 | 1566.2 | 413.7 | 94.0 | 1879.4 | 496.5 | 112.8 | 2192.7 | 579.2 | 131.6 | 2349.3 | 662.0 | 141.0 |
142 | 5.59 | 9.893 | 2.613 | 4.0 | 580 | 890.4 | 235.2 | 53.4 | 1483.9 | 392.0 | 89.0 | 2473.2 | 653.4 | 148.4 | 2967.9 | 784.0 | 178.1 | 3462.5 | 914.7 | 207.8 | |||
Brake Horsepower Required | 88.4 | 147.4 | 245.6 | 294.7 | 343.8 （Continuous work） | 392.9 | |||||||||||||||||
*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 335 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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