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The Three acting series oil well pump is made by the connection of two pumps which have the same diameter.Middle of the two pumps is sealed，there are middle outflow and middle inflow valves in the space between two pumps.Feature of the pump is it can discharge oil not only during up stroke but during down stroke，and small pump and large displacement can be realized.The pump is suitable for the well where there is an abundant liquid volume.
Pump bore （mm） | Length of plunger（m） | Length of barrel（m） | Range of Stroke （m） | Size of connecting Tubing （in） | Size of connecting sucker rod | Pump constant | Max outside diameter （mm） | ||
Upper Plunger （m） | Lower Plunger （m） | Upper barrel （m） | Lower barrel （m） | ||||||
57 | 0.9 | 0.9 | 3.7～5.2 | 3.3～4.8 | 2.1～3.6 | 3 TBG | CYG19 | 3.54 | 114 |
0531-69959201
lqg18653457231
+86-18653457231
No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China
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