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三作用串联式抽油泵
简 介：
三作用串联式抽油泵是由两台泵径相同的泵通过特殊结构串联而成，中间加以密封，在两泵之间有中间进、出油阀。该泵的特点是上、下冲程均排油，可实现小泵大排量抽吸。因此三作用串联泵适用于供液量充足的油井。
The 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.
技术参数：
|
泵径规格 Pump bore （mm） |
柱塞长度 Length of plunger（m） |
泵筒长度 Length of barrel（m） |
冲程范围 Range of Stroke （m） |
联接油管 规 范 Size of connecting Tubing （in） |
联接抽油杆规 范 Size of connecting sucker rod |
泵常数 Pump constant |
最大外径 Max outside diameter （mm） |
||
|
上柱塞 Upper Plunger （m） |
下柱塞 Lower Plunger （m） |
上泵筒 Upper barrel （m） |
下泵筒 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 |
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