Rotary valve features and types

Rotary valve features and types:

1, the characteristics of rotary valve:

Valves are usually divided into two categories: straight stroke and rotary. The linear valve allows or cuts the flow through a linear moving part such as a gate. Straig

Evonik to expand its 12 lactam production capacity

In order to meet the global market demand for continuous high-speed growth of polyamide 12, the German Evonik Industries Group has announced that it will further increase the production capacity of laurolactam.
Dr. Yuxia Xia, the high-performance polymer division of Greater China at Evoni

U.S. New Energy Law Fuels Biofuels

The academic community is worried that it will affect the environment and increase greenhouse gas emissions. On January 2, New York crude oil futures jumped to $100 a barrel, a record high. The shortage of fossil resources has become an issue that people cannot avoid. In many people's mind

How Miniature Pumps Operate to Release Objects Quickly

Micro-vacuum pump vacuum absorption of the essence: the use of micro-vacuum pump power, the negative pressure generated by the suction port and the pressure difference between the outside atmosphere, through a suction cup of a class of contact elements firmly sucked objects, which play hang

Dongfeng Commercial Vehicle Company Implements Powertrain Strategy


In 1-8 months, the sales of the Dongfeng dCi11 engine exceeded 10,000 units, and the 4H engine sales exceeded 5,000 units, both of which achieved significant growth. The two engines independently developed by Dongfeng Commercial Vehicle Co., Ltd. have established a good reputation and the

Double suction pump introduction

As an important form of centrifugal pump, double suction pump has been widely used in engineering due to its characteristics of high lift and large flow rate. This pump-type impeller is actually composed of two back-to-back impeller combination, the flow of water from the impeller into a vo