ZBG-II multi-function wellhead device

ZBG-II multi-function wellhead device
This patented product is an essential funda-mental equipment in geothermal exploitation and utilization. It has the commual function of automatic flow and being used with submersible pump and has the features of anti-corrosion by oxygen isolation and protection for natural shrinkage of well tube without deformation. It can perform the test of water level, temperature and pressure.