Spiral wound

Spiral wound gaskets: available materials

Sealing filler:

Graphite (98%)* max 550 °C max 250 bar
Virgin PTFE max 260 °C max 100 bar
Asbestos-free max 200 °C max 80 bar
Mica max 1000 °C max 100 bar
     

* 99.85% purity grade available on request

Metal winding:

AISI 304; 316L; 316Ti; 321; 347 max 550 °C
ALLOY 400; 600; 625; 800; 825 max 600-750 °C
Hastelloy C276; B2; C4 max 800 °C
Duplex F51; F44; F53; F55; F60 max 750-800 °C
Titanium Gr.2; Gr.7 max 350 °C
Graflex spiral wound gaskets
  • Fire Safe
  • Oil & Gas
  • High pressure

Graflex Rie

Inner and outer ring

Spiral wound gaskets consisting of a central sealing element with the addition of an inner compression ring and an outer centering ring.

Max operating temperature: 450 °C
Max operating pressure: 250 bar

Certifications

Ta Luft VDI 2440
Fire Safe API 6FB

  • Ideal for oil industry installations
  • Wide temperature and pressure range
  • Blowout resistant
Graflex spiral wound gaskets
  • Cost-effective
  • ATEX
  • Universal

Graflex CE

Outer ring

Spiral wound gaskets consisting of a central sealing element with an external centering ring.

Max operating temperature: 450 °C
Max operating pressure: 100 bar

Certifications

ATEX test report (graphite)

  • Cost-effective
  • Good resistance to medium/low pressure
  • Ideal for general applications
Graflex spiral wound gaskets
  • ATEX
  • High pressure
  • Blowout resistant

Graflex RI

Inner ring

Spiral wound gaskets consisting of a central sealing element with an inner compression ring.

Max operating temperature: 450 °C
Max operating pressure: 150 bar

Certifications

ATEX test report (graphite)

  • Ideal for LMF flange installations
  • Blowout resistant
  • Good resistance to medium/high pressure
Graflex spiral wound gaskets
  • For valves
  • ATEX
  • Fire Safe

Graflex N

Without rings

Spiral wound gaskets consisting of a central sealing element without centering or compression rings. Divider bars can be supplied on request.

Max operating temperature: 450 °C
Max operating pressure: 100 bar

Certifications

ATEX test report (graphite)

  • Ideal for LTG flange installations
  • Good resistance to medium/low pressure
  • Suitable for heat exchangers