Submersible sewage pump knowledge

Sewage pump is a kind of pump and motor connected, and at the same time submerged into the liquid pump products, compared with the general horizontal pump or vertical sewage pump, sewage pump compact structure, small footprint. Easy installation and maintenanc.......

Daily maintenance of coal analysis instruments

Daily maintenance is as follows:

1. After electrolysis occurs in the electrolysis cell, the electrolysis cell should be opened, and the electrode should be scrubbed with ethanol or acetone to make the electrode appear bright silver white. The contamin.......

Development and Operation of Pneumatic Ball Valves

Pneumatic ball valves evolved from plug valves. It has the same rotation of 90 degrees, except that the plug body is a sphere with a circular through hole or passage through its axis. The ratio of spheres to channel openings should be such that when the ball i.......

The advantage of automatic brake adjustment arm



Automatic brake adjustment arm (hereinafter referred to as automatic adjustment arm) is a key component in automobiles. In order to improve the safety of the use of vehicles, China released GB12676-1999 "Automobile Brake System Structure and Perf.......