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Chesterton Spiral Wound Semi-Metallic Gasket

Home » Shop » Chesterton Spiral Wound Semi-Metallic Gasket
semi-metallic gasket

Economical, Energized Gasket

A spiral wound gasket consists of thin metal windings wound together with a soft filler material such as graphite or PTFE placed between the windings. The final profile of the gasket when loaded remains energized by the internal fluid pressure and the combination of internal and external support rings.​

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Category: Gasketing & Joint Sealing
  • Description

Description

Economical, semi-metallic solution
DIN and ANSI standard gaskets and custom shapes available
Various configurations

Applications

Pipe flanges
Vessels
​Reactors
Valve bonnets
Housings

 

Technical Data

MaterialStainless steel windings with graphite or PTFE sealing layer (Spiral Wound SR)
St​ainless steel inner ring (Spiral Wound SG1)
Coated carbon steel outer ring (Spiral Wound SG)
TemperatureGraphite sealing layer 450°C (842°F)
PTFE sealing layer 300°C (572°F)
Pressure350 bar g (5075 psigI)
pH0 to 14 (depending on carrier material)
ColorGray
ApprovalsTA-Luft​

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