Technical article

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30

2020-10

【Technical article】 What should be avoided when installing the valve?

Valve is the most common equipment in chemical enterprises. It seems easy to install the valve, but if it is not executed according to the relevant technology, safety accidents will occur
16

2020-10

【Technical article】 What are the advantages of low temperature gate valves in service?

The reason why the valve has a good sealing effect in the process of use, is because it needs effective transport and contact medium in the process of use, low temperature gate valve is also widely used in the current market
25

2020-09

【Technical article】 Chemical valve selection

Corrosion has long been one of the most troublesome hazards of chemical equipment. A slight mistake can damage the equipment, or even cause accidents or disasters.
11

2020-09

【Technical article】 What is the difference between ball valves, gate valves and globe valves?

Valves are used to control the flow of liquid and gas.Ball valves, gate valves and globe valves are used to control the flow of liquids.These various forms of valves are used to create waterways
21

2020-08

【Technical article】 Difference and selection of high platform ball valve and common ball valve

High platform ball valve, the so-called high platform ball valve, adopts ISO5211 manufacturing standard.
07

2020-08

【Technical article】 Fluorine-lined valves require compliance with applicable environmental requirements

Fluorine lined plastic anti-corrosion valve in petroleum, chemical industry, medicine, metallurgy, electric power and other industries in contact with acid and alkali and other strong corrosive medium device has been widely used.
17

2020-07

【Technical article】 What is the applicable medium temperature for different valve body and bonnet materials?

The highest service temperature of applicable medium for gray iron valve body and bonnet is 250℃;Malleable iron body, valve cover applicable medium maximum service temperature is 300℃
10

2020-07

【Technical article】 How to identify valve identification paint?

The outer surface of the valve should be painted out of the factory, the paint layer should be durable, beautiful rules, and ensure that the mark is clear.
03

2020-07

【Technical article】 Summary of API Standard Updates (January-June 2020)

API Symbol Certification Specification Update, API Std 608 Metal Ball Valves - Flanges, Threads and Welding Ends, 6th Edition was published in January 2020.
26

2020-06

【Technical article】 Which is better for globe valves "low in, high out" or "high in, low out"?

Globe valves are designed to be low in and high out in order to reduce flow resistance and save effort in opening valves

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