A deep well pumping system, specially for oil wells, includes a submersible centrifugal pump, driven directly by a variable-speed motor, and a sensor of the static fluid pressure in the well. An automatic control of the motor speed keeps the fluid level in the well within given limits. This...
The pump comprises two tanks (6,9) each with a non-return-valve (2,8) in their base. The inner chamber (9) has a discharge tube (12) with non-return-valve (16) and air ventilating tube (13) with non-return-valve (18). Air can be injected into the internal vessel through an ...
The device used as a hydraulic pump brings the water from one level to a higher one without excessive pressure build-up. It has water conveying pipes welded to it and mechanical means to draw the air into the system. Its main advantage is the very little effort required from the operator ...
Air Assisted Vacuum Well Point Pumping System Dewatering Pump for Sale, Find Details and Price about Dewaterin Pump Dewatering Pump for Well Point from Air Assisted Vacuum Well Point Pumping System Dewatering Pump for Sale - Qingdao Euro - american Dewat
The utility model discloses an air-trapping oil-well pump consists of an upper joint, a pull rod, a pump cylinder, a piston joint, a piston and a fixed Faner assembly. An annular valve is sleeved on the pull rod in the upper joint; the lower part of an Faner cover is connected with...
Deep-well pump The utility model is characterized in that a manual and/or electric deep-well pump which takes compressed air as motive power is used; a pump body ... 王义锐 被引量: 0发表: 1993年 A hybrid energy storage system using pump compressed air and micro-hydro turbine A micro-...
Duplex Pump Control Panel L522 Application:Control&Protect Single phase Pump, DOL Model L 522 is useful in all cases we need to control and protect duplex pump managing its turn-on and turn-off by different electric installations. Our special design makes...
Piston structure Pressure: High pressure (Maximum 1400bar) Features: |Adding Hand Pump To Electric Well|Well Pump Horsepower| **Robust Construction and High Performance** The Wellenss Model: WS-AH170 is a high-pressure air-driven hydraulic pump system designed for industrial and commercial applicat...
COMPRESSED AIR WELL PUMP 专利名称：COMPRESSED AIR WELL PUMP 发明人：FERENC KOCSIS 申请号：AU7665887 申请日：19870806 公开号：AU619447B2 公开日：19920130 专利内容由知识产权出版社提供 申请人：FERENC KOCSIS 更多信息请下载全文后查看