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Spiraltherm Mica 9596 is a flange seal made from a V-shaped profiled stainless steel tape with spiral-wound mica middle layer. The ends of the stainless steel tape are spot-welded.
Minimum surface pressure:
y = 10,000 psi, y = 70 MPa
Materials
Filler material: 98% mica
Metal spiral: 1.4541 (321) or 1.4571 (316 Ti)
Other materials upon request
Recommended applications
Industries
Chemical industry
Petrochemical industry
Nuclear power stations
Compressors
Covers
Hatches
Process vessels
Flange connections
Pipe connections
Maintenance seals
Variants
9584/... (98 % pure graphite filler)
9594/... (99,85 % pure graphite filler)
9594/...R (graphite filler with low sulfur < 200 ppm and water soluble sulfate < 100 ppm cont)
9584/...TZ (with additional PTFE-sealing zone, T < 280 °C)
9594/...TZ (with additional PTFE-sealing zone, T < 280 °C)
9595/... (pure PTFE filler, T < 280 °C)
9596/... (mica filler, T < 900 °C)
Forms of supply
Rings:
for tongue-and-groove flanges - 9596/NF
for projection and recess flanges - 9596/VR
for projection and recess flanges, with inner ring - 9596/VRI
for raised-face flanges, with outer ring - 9596/GA
for raised-face flanges, with inner and outer ring - 9596/GIA
Product variants
Spiraltherm Mica 9596/GA
Spiral wound gasket with outer guide ring.
Standard type for raised faced flanges.
Spiraltherm Mica 9596/GIA
Spiral wound gasket with inner and outer guide ring offers the best performance in raised faced and flat flanges
The inner ring is used to:
- avoid over-compression at elevated seating loads in high pressure service
- reduce turbulence within the flange area and protects against corrosion or erosion
- improve the load distribution over the gasket
Spiraltherm Mica 9596/NF
Spiral wound gasket without guide ring or inner ring.
This style of gasket is used in load-bearing flange configurations, such as tongue and groove flanges.
Standard dimensions according to EN/ASME.
Spiraltherm Mica 9596/VR
Spiral wound gasket without inner ring or outer guide ring.
Mainly used for male and female flanges or projection and recess flanges.
Spiraltherm Mica 9596/VRI
Spiral wound gasket with inner ring.
Mainly used for male and female flanges or projection and recess flanges.
An inner ring is necessary as a compression stop.
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