Guangdong Nanshanhai Rare Earth Mine

I. Overview
Nanshanhai Rare Earth Mine is located in the territory of Guangdong Province. It is one of the large-scale monazite-bearing coastal sand deposits in China. The mine began exploration in 1961, was built in 1970, and put into ope

Valve to prevent media back - how to choose

The purpose of this type of valve is to allow only the medium to flow in one direction and to prevent the flow in the direction. Usually this kind of valve is automatic working, the valve flap opens under the pressure of the fluid flowing in one direction; when the fluid flows in the opposite d

Electromagnetic flowmeter structure

First, the electromagnetic flowmeter structure The electromagnetic flowmeter's structure mainly by the magnetic circuit system, the measurement catheter, the electrode, the shell, the lining and the converter and so on the composition.
Second, the principle of electromagnetic flowm

Gas flow meter use matters needing attention

Gas flow meter use matters needing attention
1. When the working conditions of the instrument are changed (such as changing the medium, the temperature of the environment greatly changes, etc.), the zero position of the instrument should be re-adjusted. At the same time, the instrumen