Vacuum pump performance components and classification

Vacuum pump features:
Compared with other oil-sealed vacuum pump has the following characteristics:
1, the vacuum pump in a wide range of pressure has a larger pumping speed, can be used in a pressure environment, improve the efficiency of work to ensure that they can produce good

New Profits Try to Change the Pattern of Emergence of Heavy Fired New Army


Shaanxi Heavy Gas absent! China National Heavy Duty Truck absent! Dongfeng is absent! The 2010 Beijing International Auto Show has no choice but to face the embarrassing situation in which the most important manufacturers in the heavy truck industry are absent.

Heavy trucks and n

China's heavy truck Ma Shuji: "Magic" heavy truck gold industrial chain


This person, known as the “Ma Shuji,” led the heavy-duty trucks in China to overcome difficulties through the decisive strategy and excellent coordination ability, and gradually established a heavy truck gold industrial chain from vehicles to engines and transmissions.

Chemical pump future development trend analysis

The best features of chemical pump should be: high quality, high reliability and high environmental protection performance; in the completion of the task of transporting chemical medium while conducive to the health of workers; the expected minimum cost of life; with the entire chemi

Thermodynamic Steam Traps Overview

Thermodynamic steam traps, thermodynamic steam traps, thermodynamic steam traps, traps are used in steam pipe networks and equipment, can automatically discharge condensate, air and other non-condensable gases, and water vapor barrier Leaking valve. Steam traps are only required for the functio

Domestic refined oil prices are expected to be lowered again next month

Following the first official price cut on June 1 this year, domestic refined oil prices may come down again at the beginning of next month. According to the calculation in the industry, the current domestic oil price has met the conditions of the international oil price change rate in the two

Study on the Determination of Crude Lipase Activity

Lipase, also known as glyceride hydrolase, catalyzes the hydrolysis of triglycerides to produce diglycerides or mono-glycerides or glycerol and fatty acids. Crude lipases often have poor viability due to improper storage or long storage time. Therefore, crude lipase activity mu

PVC Stop Cock Valve Control Valve (V13)

PVC Stop Cock Valve Control Valve (V13)