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SWG Spiral Wound Gaskets

SWG Spiral Wound Gaskets

Spiral Wound Gaskets Ref. No .SWG Spiral wound gaskets are special semi-metallic gaskets of great strength and resilience, therefore they are suitable for use under heavy operating conditions. Spiral wound gaskets are manufactured by spiral winding V-shaped metal strip and strip of non-metallic...

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Spiral Wound Gaskets

Ref. No .SWG Spiral wound gaskets are special semi-metallic gaskets of great strength and resilience, therefore they are suitable for use under heavy operating conditions. Spiral wound gaskets are manufactured by spiral winding V-shaped metal strip and strip of non-metallic filler material. Spiral wound gaskets can be reinforced with an outer centering ring and/or inner retaining ring.

Applications:
Pipe, valve, pump, thermal exchange, condensing tower, plain hole and man hole of flange, etc.
Petrochemical, chemical, mechanical manufacturer, power station, metallurgy, shipbuilding, medical and pharmaceutical unclear power station and navigation, etc.

Basic structure and materials:

Type

Cross section

Hoop material

Filler material

Inner, outer ring material

Basic type

AISI304, 316 ect. As specified stainless steel belt

Expanded graphite, 

PTFE or other specified materials

Carbon steel, AISI304, AISI316, and other specified materials

With inner ring

With outer ring

With inner, outer ring

Main technical data

Commodity

Pressure(kgf/cm2)

Temp(℃)

Leakage rate

Min pre-tight

Factor

Spiral wound gasket filled with expanded graphite

(Under hot water,oil,etc.) 300

In Oxidizing Media

1.0×10-5cm3/s

400kgf/cm2

2.5~3

-240~550

Spiral wound gasket filled with PTFE

150

-200~250

1.0×10-5cm3/s

400kgf/cm2

2.5~3

* Ref. No: SWG
* Pressure (kgf/cm2): 300/150
* Temp (℃) (In Oxidizing Media): -240~550
* Leakage rate: 1.0×10-5cm3/s
* Min pre-tight: 400kgf/cm2
* Factor: 2.5~3

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