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How to select the caliber of electric control valve
The flow characteristic of electric control valve directly affects the control quality and stability of the system, so it needs to be selected correctly.
30
2022
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09
What are the commonly used materials of valves in China?
Grey cast iron: grey cast iron is applicable to water, steam, air, gas, oil and other media with nominal pressure PN ≤ 1.0MPa and temperature of - 10 ℃~200 ℃. Common grades of gray cast iron are HT200, HT250, HT300 and HT350.
30
2022
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09
What should be paid attention to when applying ball valves to pipelines?
Two main reasons for ball valve damage are: first, the valve is not in place; Second, the sealing surface is damaged.
30
2022
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09
What are the structural features of the soft seal gate valve
The plastic used for the gate valve of the soft seal gate valve is completely plastic coated. The plastic and the gate valve are firm, not easy to fall off, and have elastic memory, so that the gate valve and the high-pressure gate valve can be tightly sealed and achieve good sealing performance;
30
2022
/
09
Precautions for using blowdown ball valve?
Precautions for using blowdown ball valve? In fact, it can also be used in many occasions, of course, when using it, the requirements are relatively high. In order to avoid problems when people use it. Here are some considerations. I hope it can bring you good help.
15
2021
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09
What are the main functions of the blowdown ball valve?
When it comes to sewage ball valve, I believe we are familiar with it, because it has been used in many industries. And it has many advantages. Now let's introduce its main functions?. Come and see if you want to know.
15
2021
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09
Advantages and Classification of Blowdown Ball Valves
Ball valve and plug valve belong to the same type of valve. Only its closing part is a sphere, which rotates around the center line of the valve body to open and close. The blowdown ball valve is mainly used to cut off, distribute and change the flow direction of the medium in the pipeline. Blowdown ball valve is a new type of valve widely used in recent years, which has the following advantages:
15
2021
/
09
What is the structure of the blowdown ball valve?
The blowdown ball valve is installed on the flange of the gate valve according to the pipe diameter. In the cylindrical channel of the valve body, the disc valve plate around the rotation axis has a rotation angle of 0-90 and a rotation angle of 90. Valves are all permissive opening conditions and are normally installed horizontally.
15
2021
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09
Main： Butterfly valves, blind valves, gate valves, globe valves, ball valves, check valves, regulating valves, gates, metallurgical valves, hydraulic dams
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