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2020/7/17

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℃
2020/7/13

Congratulations to our company on passing the 2020 three system certification and obtaining the certificate!
ISO9001 quality management system, ISO14001 environmental management system, OHSAS18001 Occupational Health and safety management system certification
2020/7/10

How to identify valve identification paint?
How to identify valve identification paint?
2020/7/3

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.
2020/6/26

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
2020/6/19

Temperature of packing and gasket commonly used in valves
Temperature of packing and gasket commonly used in valves
2020/5/29

Material comparison of several commonly used rubber sealing rings for valves
Material comparison of several commonly used rubber sealing rings for valves
2020/5/22

Features and selection of various valve actuators
Features and selection of various valve actuators
2020/5/8

How do I identify a refurbished valve?
Nowadays, the valve market is mixed with each other. Illegal vendors make profits by counterfeiting and refurbishing valves
2020/4/30

Domestic valves are favored by domestic industrial enterprises
Coal, oil, natural gas and other fossil energy sources are the main energy consumption bodies in today's society.
2020/4/24

Advantages of stainless steel valves in industrial applications
Stainless steel valves have many industry advantages over traditional valves
2020/4/17

Rules for selection of valves in water works
The valves are indispensable for the conventional water production process in water plant, such as raw water intake
2020/4/10

Why should the cut-off valve go low?
Why should the cut-off valve go low?
2020/4/3

Trillions of new infrastructure is coming
On March 4, 2020, the Standing Committee of the Political Bureau of the Central Committee held a meeting and proposed to increase investment in public health service
2020/3/27

How is the valve routinely maintained?It's not a good idea to read all this.
Leakage of valve body and bonnet: Causes: 1. Low casting quality of cast iron, defects of sand eyelet, loose structure and slag inclusion on valve body and bonnet body 2. Freezing cracking within days;