The material selection, structural features and working principle of the globe valve for high-temperature and high-pressure oxygen are introduced, and the methods of being anti-static, dust-proof and...
The high-temperature and high-pressure hydrogenation valve is an important pipeline component of the hydrogenation system in the petrochemical industry. The pressure level is above ANSI CL900, and the...
Compared with other industries, there is serious environmental pollution in the chemical industry and the petroleum industry, so relevant departments and personnel must pay more attention to them. At...
Valves play an indispensable key role in oil and gas storage and transportation. Valve leakage is one of the common problems to be seen. If measures cannot be taken as soon as possible to deal with the...
There are three main types of nuclear safety valves, namely bellows sealed spring safety valves, fully opened spring safety valves with actuators and pilot safety valves with detectors. Although the amount...
There are mainly four structures for the nuclear grade gate valve, wedge elastic single plate gate valves, wedge double plate gate valves, parallel double plate gate valves with spring preload and parallel...
A pressurized water reactor nuclear power plant equipped with two million-kilowatt units is a relatively common and reasonable, which consists of NI (Nuclear Islands), CI (Conventional Islands) and power...
Compared with the valves used in conventional large-scale thermal power plants, although the pressure and temperature of PWR nuclear power plant valves are lower, the valves used in nuclear power plants...
The world is facing the problem of an energy shortage, and China is in the process of industrialization and urbanization; the demand for energy will continue to grow, and the contradiction between energy...
4. The analysis of test results 4.1 The morphology of microscopic surface cross-section of the coating The surface cross-sectional morphology is closely related to the matching properties, wear resistance,...