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Eccentric size heads apply small knowledge
Eccentric size heads apply small knowledge
　　Eccentric reducer in the actual production add different elements of different functions and intensity, using certain production standard and the way to add....
[2019-05-25]
Flange standard and selection method
Flange standard and selection method
　　There are two kinds of flanges in petroleum and chemical industry, one is the pressure vessel flange standard, and one is the pipe flange standard....
[2019-05-25]
Welding of carbon steel elbow is common in production
Welding of carbon steel elbow is common in production
　　In the production of carbon steel elbow in the common welding methods are: automatic welding of large diameter and thick wall (more than 21 mm) pipeline often use u-shaped groove or complex groove....
[2019-05-25]
How to apply eccentric reducer and concentric reducer
How to apply eccentric reducer and concentric reducer
　　Reducer is often used in industry, mainly to connect the piping system. In many places will use it, but because of the reducer is divided into concentric and eccentric....
[2019-05-25]
The hot pressure forming of tee
The hot pressure forming of tee
　　The three-way hot pressure forming is a tube that will be larger than the diameter of three tong, and the diameter of the tube is about three to three diameter....
[2019-05-25]
Several considerations for using the reducer
Several considerations for using the reducer
　　The size head is also called the reducer, which is used to connect different sizes of tubes; Generally it is divided into concentric reducer and eccentric reducer....
[2019-05-25]
Large bend production process
Large bend production process
　　The plate thickness can be selected according to the wall thickness of the elbow. ...
[2019-05-25]
A few common nouns in elbow heat treatment
A few common nouns in elbow heat treatment
　　Positive fire: heat the steel or steel parts to the critical point AC3 or the appropriate temperature above the ACM for a certain period of time to cool in the air and get the heat treatment process of...
[2019-05-25]
The passivation technique of punching elbow
The passivation technique of punching elbow
　　Stamping elbow materials not only have qualified creep curves, and its pipe price moderate, relative to other varieties is the product of construction convenient....
[2019-05-25]
Application of thick wall bend production
Application of thick wall bend production
　　Production application of elbow production application of thick wall elbow stamping elbow is first applied to the forming process of the mass production of seamless elbow....
[2019-05-25]
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