doi:US20060171821 A1T. Leon BrownUSUS20060171821 Apr 11, 2005 Aug 3, 2006 Brown T L Hydraulic pump jack sytem for reciprocating oil well sucker rods
1. In an oil well pump uiack including a supporting base, a motor` cylinder on the base adapted to be positioned with its axis in alignment with the axis of the well, an annular piston in the cylinder, a sleeve within the cylinder concentric therewith and packing means between outer ...
An oil pumping jack of improved efficiency and safety, with an electrichydraulic manifold that provides soft shift spool in normal operation. Hydraulic compensation in the form of sacrifice of fluid output is provided if the work load increases, so that the system slows down visibly, signalling ...
越野车组装款猴爬杆千斤顶套件Hydraulic jack便携脱困套件千斤顶 广州市优拓越野车用品有限公司 13年 月均发货速度: 暂无记录 广东 广州市白云区 ¥10000.00 Hydraulic cylinder DWG 802-9300 oil jack液压油缸千斤顶 广州海涟液压设备有限公司 20年 月均发货速度: 暂无记录 广东 广州市增城区 ¥2146...
Long Type Hydraulic Jack with hand pump手动泵液压千斤顶 上海辛纽船舶科技有限公司4年 月均发货速度:暂无记录 上海市奉贤区 ¥2.00 德国LUKAS 卢卡斯液压开门器套装HTS 99 - Hydraulic door opener 上海艾煦工业设备有限公司12年 月均发货速度:暂无记录 ...
For example, if a groove is cut in the piston to accommodate a capped T-seal, it is unlikely that an asymmetrical unloaded U-cup seal will work very well. Pressure/hydraulic fluid blow-by, spiraling seal failure, and excessive wear might reduce seal life to just a few minutes in oil ...
Heavy Duty Lifting Jack Floor Lifting Jack Vehicle Lifting Jack Hot Searches Hydraulic Jack Tool Jack Car Jack China Jack Hydraulic Jack Tool Hydraulic Jack Oil Hydraulic Pump Jack Long Hydraulic Jack Hydraulic Power Jack Hydraulic Floor Jack Bulkbuy More...
* The cylinder is with one high pressure hose to avoid oil leaking that usually happen by the traditional multiple hoses.Cylinder will return to initial condition by itself weight.* Stroke of Hydraulic cylinder is 1475mm, which can satisfy each annular shell with 2630plate one-step...
Hydraulic Jack oil pump Station with a piston pump, offering 63mpa pressure, ideal for industrial utilities, concrete work, and wastewater treatment. CE certified.| Alibaba.com
* Double speed pump design, with the high flow in low pressure. * The actuator can be fast moved on no-load status. Product Specifications Item No Working Pressure (MPa) Pump Type Valve Type Motor Power (KW) Oil Tank Capacity (L) Flow (L/MIN) Voltage(V) / ...