Spiral Wound Gasket With Outer Ring
Specifications
Basic type graphite + metallic stripeOuter ring type: CS, SS304,SS316
Inner ring type: SS304,SS316
Description
Spiral wound gasket is formed of V-shaped or W-shaped metallic stripe and non-metallic filler by means of lamination, spiral wounding and dot welding its beginning end by dot welding. Depend on its excellent compress resilience, it can sealing spot where the alteration of temperature and pressure is frequent. It can be used as the static sealing parts of pipe, valve, pump, thermal exchange, condensing power, plain hole and man hole of flange, etc. It has been widely applied in the fields of petrochemical, mechanical manufactory, power station, metallurgy, shipbuilding, medical and pharmaceutical nuclear powder station and navigation, etc.
Material selection
Materials of Metallic Stripe and Inner and Outer Rings |
Fillers |
General thickness(mm) |
||||
Name |
Code |
Name |
Code |
Applicable Temperature |
V-shapped Gasket/Ring |
W-shaped Gsket/Ring |
Carbon steel |
CS |
Asbesttos |
ASB |
500 |
3.2/2.0 4.5/3.0 5.5/3.0 |
4.8/3.0 7.2/4.0 |
Stainless Steel |
304(L),316(L) |
Graphite |
FG |
650 |
||
|
|
Tetrafluoro |
PTFE |
260 |
||
The material of an inner ring is generally the same with that of metallic stripe to meet the requirement of the medium and working conditions.
The material of outer ring is the same with that of pipelines and corresponding equipment casing, and the carbon steel outer ring is more economical.
Update Date:2011-1-27 19:39:09
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