Pump drive mode

Pump Drive Roots vacuum pump rotor is achieved through a pair of high-precision gear to achieve its relative synchronous operation. The drive shaft is connected to the motor via a coupling. In the transmission structure layout are the following two: One is the motor and gear on the same side o

Synthetic diamonds still have bright prospects in the first half of the year

Diamond can be processed not only into jewelry, but also in industrial production. However, because the output is too small and found to be extremely difficult, synthetic diamond has become the best alternative. As the only synthetic diamond listed company in China, Yu Diamond (300064) natur

Latex paint construction considerations

>>> Links: How to make interior latex paint construction?

1, the main construction process

Links Sweep the grassroots → Fill the putty, Partially

Wafer butterfly valve and flange butterfly valve features

Butterfly butterfly valve installed in the pipe diameter direction. In the butterfly valve body cylindrical channel, the disc-shaped disc rotates about the axis, the rotation angle is between 0 ° ~ 90 °, when rotated to 90 °, the valve is fully open state card. Butterfly valve structur

Chemical pump selection

Chemical pump selection summary Petrochemical industry occupies a very important position in the national economy, chemical process pumps as a key ancillary equipment is also more and more people's attention. Due to the complex nature of chemical media, combined with the continuous improvem

How to choose chemical pump?

4.1.1 Centrifugal pump liquid temperature under the conveying temperature is not greater than 650mm2 / S, or pump efficiency decreased significantly. (When the viscosity is more than 650mm2 / S, centrifugal pump performance decline greatly, generally do not choose centrifugal pump, but because

Must see Feng Shui: what kind of room is best not to rent

According to reports, the current Japanese Prime Minister Naoto Kan, before staying in the Prime Minister's House, the whole family has been renting a house because there is no spare money to buy a house. This may sound like an anecdote, but it does n’t seem to be surprising to