News

November 26, 2024

Abstract Material selection and performance optimization directly impact the functionality of pneumatic ball valves. This paper systematically examines material selection and performance optimization in...

November 12, 2024

3. Material Selection and Processing A-body stainless steel with a face-centered cubic lattice structure is selected for liquid natural gas valve. These materials do not have a critical temperature...

November 2, 2024

1. Overview The high-pressure, large-diameter cryogenic ball valves used for controlling the high-pressure delivery pump process system at the LNG receiving station operate under extremely harsh conditions:...

October 29, 2024

1. Overview The natural frequency is an inherent characteristic of nuclear power valves. It is independent of the magnitude of the external force and depends only on the valve’s structural stiffness,...

October 17, 2024

1. Overview LNG is classified as a Class A hazardous substance. The safety, stability, and continuity of LNG pipeline operations are critical. Cryogenic butterfly valves are commonly used in the...

October 15, 2024

In each core system of a nuclear power plant, valve equipment functions like an artery, responsible for the transmission and control of key media, and many of these valves are crucial for nuclear safety....

October 6, 2024

Abstract: In the operation of power plant turbines, the medium-pressure control valves play a vital role. They are responsible for regulating the amount of steam passing through...

September 20, 2024

Material Selection and Application of Copper Alloy Valves for Ships Copper and copper alloys have excellent electrical conductivity, thermal conductivity, anti-magnetic properties, corrosion resistance,...

September 17, 2024

Introduction In power systems, the steam turbine is the core equipment for power generation. Its efficient and stable operation has a crucial impact on the safe and reliable power supply of the entire...

September 11, 2024

The piping systems of ships include fuel pipes, steam pipes, circulating water pipes, cooling water pipes, and various water pumps. Valves are indispensable components in a ship's piping system. Valves...

September 4, 2024

1. Overview In the past two decades, China’s real economy has entered a rapid development phase under the guidance of the "sustainable development" strategy. From the planning and construction...

August 27, 2024

The structure of a common eccentric metal-seated butterfly valve, shown in Figure 1, mainly consists of a valve body, butterfly plate, sealing ring (generally made from directly processed or multi-layered...