Alloy Spraying of Valve Sealing Surfaces
- Oct 16, 2023
- Hits: 12
The process flow of alloy spraying of valve sealing surfaces mainly includes four steps: preparation before spray welding of valves, surface pretreatment, spray welding of valves, and post-processing...
Repairing Sealing Surfaces of Marine Globe Valves
- Sep 07, 2023
- Hits: 43
Combined with the work practice on board, aiming at the damage to the sealing surface of the boiler feedwater globe check valve, the method of grinding the sealing surface to repair the glove valve is...
Globe Valves
- Aug 25, 2023
- Hits: 10
Globe valves are a type of valve commonly used in various industries to control the flow of fluids. They have been around for centuries and continue to be an essential component in many systems today....
Design of High-temperature and High-pressure Oxygen Globe Valves
- Aug 07, 2023
- Hits: 60
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...
Manufacturing Processes of High-temperature & High-pressure Hydrogen Valves
- Jun 24, 2023
- Hits: 20
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...
Detection of Leakages of Valves
- Jun 07, 2023
- Hits: 12
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...
Leakages of Valves
- May 24, 2023
- Hits: 17
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...
Nuclear Safety Valves
- May 14, 2023
- Hits: 50
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...
Nuclear Power Gate Valves
- Apr 30, 2023
- Hits: 25
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...
Valves for Nuclear Power Plants
- Apr 10, 2023
- Hits: 369
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...
Technical Requirements for Nuclear Power Valves
- Mar 27, 2023
- Hits: 106
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...
Valves Used for Nuclear Power Plants
- Mar 15, 2023
- Hits: 134
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...