TD-SW700Spiral-Wound gasket is formed of V-shaped metallic stripe and soft non-metallic filler by means of piled, spiral wound and connected its end and beginning by dot welded.

SW700金属缠绕垫片由V形或W形不锈钢带和非金属填充料叠合，螺旋卷绕，始末端点焊而成。

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The design of gasketed joints is critical for low-emission applications. For better control and elimination of unwinding of spiral wound gaskets, a fully-enclosed gasket cavity is desirable.

对于低污染排放应用来说，垫圈连接设计是关键性的。为了更好的控制和防止螺旋式垫圈的退绕作用，需要配置完全包装的垫圈腔。

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The seal principle and its constriction of H-type complex gasket were introduced, as compared with wave-toothed compound gasket and spiral wound gasket.

介绍了H型复合垫片的密封机理和结构，并且与波齿垫片和缠绕垫片的密封性能进行了比较。

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