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Spiral Wound Gaskets in Dubai

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Spiral Wound Gaskets in Dubai

A spiral-wound gasket is made of alternate plies of V-preformed metal strip and soft filler that are tightly and spirally wound together. According to the need of the mating flange, the gasket is provided with an outer ring, an inner ring or both outer and inner rings. The outer ring serves as a compression stop, anti-blowout device, which properly centers the gasket on the flange. The inner ring acts as a compression stop and is used to fill the annular space between the flange bore and the gasket inside diameter to minimize turbulence of process fluids and erosion of flange faces.

 

Advantages 
Sealing under heavy operating conditions
Strong stress compensation, stable and reliable sealing performance even under frequent pressure fluctuation condition
Solid construction provides stability and saleability even when the sealing surfaces are slightly corroded or bent
Easy installation
 
Technical Specification
 


Gaskets without Guide and inner Rings
Gaskets with Guide Ring. 
Gaskets with Guide and inner Rings
 
 

More Technical Specification

Material Specs
Filler Material:

 Filler is normally used for  thicknesses from 0.5 mm to 0.6 mm.

Flexible graphite 98%
Flexible graphite 99.85%
PTFE
Ceramic, Micalit
 

Centering ring :

The centering ring does not come into direct contact with contained fluid. It is normally made of carbon steel and electro plated or painted to avoid corrosion. Other materials are available on request.

Inner ring:

Inner ring is used to avoidexcessive compression due to high seating stress in high-pressure service and it is also used to reduce turbulence in the flange area. It is normally made of the same material as the gasket metallic strip

Ring Materials:

Carbon Steel
SS 304, SS316, SS321
Monel, Inconnel , Duplex etc...
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