Description

Structure:

  • V-shaped or W-shaped stainless steel strips and non-metallic fillers are spiral wound into gaskets.
  • They can be added inner ring or centering (outer ring).

Standard:

  • ASME B16.20, JIS B2404, EN 1514-2
  • Please, indicate your related standards or sizes or specific drawings, oval sharps of spiral wound gaskets.
  • If gaskets are used in heat exchangers with reinforcing ribs, please note out.

Material:

  • Filler: Graphite, PTFE, Non-asbestos, Ceramic, Mica…
  • Steel strip (hoop): SS304, SS304L, SS316, SS316L, SS321, SS31803, Inconel, Monel,…
  • Inner ring and outer ring: Carbon steel, SS304, SS304L, SS316, SS316L, SS321, SS31803, Inconel, Monel…

Application:

  • With widely usage, it is applicable to sealing under heavily alternating temperature or pressure such as the static sealing at flanges of pipeline, valves, pumps, heat exchangers, columns, manhole and hand hole. It has a wide application in petrochemical, mechanical, electric power, metallurgical, ship- building, pharmaceutical, nuclear power and aerospace industries.

Service Range:

  • Filler:
 

Material

 

Graphite

 

PTFE/Teflon

 

Mica

Non

asbestos

 

Ceramic

Dimension ½’’-60’’
Temperature

(°C)

-212~+550 -240~+250 +900 -120~+450 -212~+1100
Pressure

(Mpa)

15~30Mpa
Thickness 4.5mm/3.2mm  3.2mm/2.0mm  6.5mm/4.8mm or as requirement

drawing making

+ Hoop, inner & outer ring:
Material Temperature (Minimum) Temperature (Maximum)
ºF ºC ºF ºC
304SS -320 -195 1400 760
316LSS -150 -100 1400 760
321SS -320 -195 1400 760
347SS -320 -195 1700 925
Carbon steel -40 -40 1000 540
20Cb-3 -300 -185 1400 760
HASTELLOY

B2

-300 -185 2000 1090
HASTELLOY

C276

-300 -185 2000 1090
INCOLOY 800 -150 -100 1600 870
INCONEL 600 -150 -100 2000 1090
INCONEL X750 -150 -100 2000 1090
MONEL 400 -200 -130 1500 820
200 Ni -320 -195 140 760
Ti -320 -195 2000 1090

See more: tan-hoan_spiral-wound-gaskets

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