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Technical Requirements and Material Selection Standards of Cryogenic Valves

Technical Requirements and Material Selection Standards of Cryogenic Valves

According to working conditions, design requirements of cryogenic valves are listed below: A cryogenic valve is supposed to work for long periods of time with cryogenic media and under low temperature. A cryogenic valve can not become an main heat source in the cryogenic system because the flow of heat can reduce thermal efficiency. At the same time, if there are too many fluids flowing into the ...


Special Requirements of Cryogenic Valve

Special Requirements of Cryogenic Valve

In the previous passage, we made a brief on the cryogenic valve. In this article, we are going to introduce the special requirements of cryogenic valve in a further step. A cryogenic valve has severe requirements for its working conditions since the medium delivered by the valve are flammable, explosive, poisonous and high-permeable. The minimum operating temperature of the cryogenic valve is as ...


A Brief on Cryogenic Valve

A Brief on Cryogenic Valve

A cryogenic valve refers to the valve that enables to be operated under low temperature which generally is -40℃.  The cryogenic valve is essential for petrochemical industry, air separation and nature gas. Its performance can decide the safety of production as well as economy and sustainability of operation. In recent years, the applications of the cryogenic valve have expanded as the dema...


A Brief Introduction of Electric Gate Valve

A Brief Introduction of Electric Gate Valve

Definition of Electric Gate Valves The disc of an electric gate valve is the wedge disc which moves in the direction perpendicular to the direction of flow. Since the gate valves can only be fully opened or closed, it is not adaptable to regulate the flow throttle. One wedge disc is comprised of two sealing faces. As the most commonly use...


The Advantages and Application of Forged Steel Globe Valve

The Advantages and Application of Forged Steel Globe Valve

The advantages of forged steel globe valve: The most obvious advantage is wearproof since there is small friction between disc and sealing surface when opening or closing. The opening height is only a quarter of the channel diameter of valve seat, which is much shorter than that of gate valve. Generally, there is only one sealing surface between valve body and seat, thus the manufacturing technolo...


The Classification and Characteristics of Valve Actuator

The Classification and Characteristics of Valve Actuator

1. The classification of valve drive mode According to the movement way of driving mechanism, the valve actuator can be classified into linear and rotary actuator. In terms of the driving structure, the valve actuator is divided into: Manual drive Handle or hand wheel (including deceleration through intermediate gear) Spring lever Dynamic drive Electromagnetic ty...


Competition Structure and Countermeasures of  Gate Valve Industry

Competition Structure and Countermeasures of Gate Valve Industry

2016 China’s stainless steel gate valve market has improved, which makes Chinese manufacturers see opportunities and turn to the gate valve industry. In this way, the competition intensity of stainless steel gate valve manufacturers in our country has increased, which has certain universality and representation. The main trends are: product developing globalization, the s...


The Development Trend of China Valve Standard

The Development Trend of China Valve Standard

1. Strengthen the connection of standard and scientific research, especially the major national science and technology research projects. Guide the scientific and advanced technology backbone enterprises. Transfer independent innovation achievements into standard. Promote the development of new technology and new technology.  Now the valve standard council is formulating the national st...


How Valve Industry to Confirm Developing Direction in 2016

How Valve Industry to Confirm Developing Direction in 2016

Valve equipment manufacturing has a very broad prospect in a short time or long run. Especially with the help of the four major factors: urban construction, industrial development, technological innovation, and globalization, domestic valve industry in China will be more International, high-end and modern in future, which was the direction of domestic valve industry development in our country. Dom...