Copyright Tieling Dongsheng Petroleum Machinery Co., Ltd. All rights reserved 辽ICP备14009156号-1
Address: No. 9 Liaohai Road, Yinzhou District, Tieling, Liaoning.
Three-action series pump
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.