Spiral wound gasket with outer ring

 

The spiral wound gasket with outer ring is also called C-type spiral wound gasket, which is composed of outer ring material and spiral wound body. Generally, the inner ring material is carbon steel, stainless steel, etc. The winding body is metal belt and filler (such as graphite, asbestos, tetrafluorocarbon, non asbestos, etc.).

 

Marking of spiral wound gasket with outer ring:

For example: dn120-2.5 c t = 4.5mm 304 / asbestos free CS HG / T20610-2009

 

Annotation and analysis: nominal diameter dn120, nominal pressure 2.5MPa

C is the outer ring type spiral wound gasket with a thickness of 4.5mm,

Material: the outer ring is carbon steel (CS), the filler is asbestos free, and the metal belt is 304 stainless steel

Product standard: HG / T20610-2009

 

The detailed dimensions of the product are: 146 * 168 * 194 (D2 * D3 * D4) -- refer to the example standard HG / T20610-2009 for dimensions

 

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