Spiraltherm PTFE 9595

Spiraltherm PTFE 9595

Spiraltherm PTFE 9595

Spiraltherm PTFE 9595

Features

Spiraltherm PTFE 9595 gaskets are manufactured in several combinations of materials with a wide range of dimensions and geometry. They are widely used in refineries, the chemical and petrochemical industry as well as in the power generation industry.

Advantages

  • exceptionally high operating reliability for high pressure applications including load bearing and non-load bearing installations
  • Seal under severe operating conditions
  • Excellent load distribution, stable and reliable sealing performance even under frequent pressure cycles
  • Solid construction provides stability and sealability even under severe conditions
  • Great resilience (approx. 10 % of un-compressed height)
  • Easy installation

Operating range

Pressure: p = ... 400 bar (Class 2,500 lbs) for flanges according to EN or ASME standard
Temperature: t = -200 °C … +280 °C
Chemical resistance: pH = 0 … 14

Materials

Metal winding
Stainless steels - most common are:
AISI 316L, 316, 304, 304L, 321 (1.4541), 316 Ti (1.4571), 347,…
Special alloy windings are also available e.g.
Monel®, Incolloy®, Hastelloy®, Titanium,..
Filler material:
pure PTFE

Variants

9584/.... 98 % pure graphite filler
9594/.... 99.85 % pure graphite filler
9595/.... pure PTFE filler
9596/.... mica filler

Forms of supply

95...NF for flanges with tongue and groove
95...VR for flanges with projection and recess
95...VRI for flanges with projection and recess with inner ring
95...GIA for flanges with flat faced with inner and outer ring
95...GA for flanges with flat face with outer ring



Product variants

Spiraltherm PTFE 9595/GA
Spiral wound gasket with outer guide ring.
Standard type for raised faced flanges.
Spiraltherm PTFE 9595/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 PTFE 9595/NF
Spiral wound gasket without guide 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 PTFE 9595/VR
Spiral wound gasket without inner ring or outer guide ring.
Mainly used for male and female flanges or projection and recess flanges.
Spiraltherm PTFE 9595/VRI
Spiral wound gasket with inner ring.
Mainly used for male and female flanges or projection and recess flanges.

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