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Main factors affecting flange sealing performance

Main factors affecting flange sealing performance

Bolt pre-tightening force An important factor affecting sealing. The pre-tightening force must compress the gasket to achieve the initial seal. Properly increasing the bolt pre-tightening force can increase the sealing ability of the gasket, because increasing the pre-tightening force can make the ...

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Seven factors affecting gaskets and packing seals

Factors affecting gasket and packing seal (1) Surface condition of sealing surface: the shape and surface roughness of sealing surface have certain influence on sealing performance, and smooth surface is beneficial to sealing. The soft gasket is insensitive to the ...

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How to choose gasket

A, the related factors should be considered when choosing gasket to know: A. to seal of highly toxic chemicals, chooses gasket safety performance is stronger, so as to guarantee; For transporting flammable liquid pipeline system, the need to pay attention ...

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The choice of gasket materials

A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression. Gaskets allow “less-than-perfect” mating surfaces on machine parts where they can ...

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How to deal with the rough surface of stainless steel flange

Flange surface is smooth and decided the sealing surface of the connection effect, in the usual contact will have many such rough stainless steel flange, it is difficult to seal, so the roughness of the stainless steel flange for sealing ...

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There are several types of flange sealing surface by yaang.com

There are three kinds of flange sealing surface model: planar seal face, is suitable for the occasion of pressure is not high, medium non-toxic; Concave-convex sealing surface, suitable for pressure slightly higher occasion; Mortise sealing surface, suitable for flammable, explosive, ...

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Knowledge of flange gasket by yaang.com

Compression spring constitutive relationship, bolt pretension and flange contact with consideration of the nonlinearity of the gasket. From the results of finite element calculation from both inside and outside edge of the flange axial displacement difference (i.e. relative deflection) is ...

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Stainless steel flange production of industrial standards and regulations

Stainless steel flange is a kind of used to connect two pipes connection parts, in the entire plumbing system of stainless steel flange is just a part of the connection parts. Stainless steel flange are classified into the category of ...

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How to seal stainless steel flange By yaang.com

Because the flexible graphite has plasticity and good packing, when using this kind of gasket to precision machining of flange sealing surface does not need to match, for stainless steel flange sealing surface water; Groove can be adaptive, relatively economy. ...

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Flange design, casting and sealing by yaang.com

The internal structure of the casting flange is loose and uneven, and the strength and quality are difficult to be guaranteed. The forging molding is more and more energy consumption and high cost. For weeks to continuous distribution, metal grain ...

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