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Graphite, impregnated FJ 2691 (standard)

Sigraflex STANDARD is a homogeneous sealing sheet made from flexible graphite. The sealing sheet is impregnated to reduce leakage and improve handling.

Excellent oxidation resistance
Very high fault tolernace during assembly and operation
Long term stability of compressibility and recovery
No measurable cold or warm flow characteristics up to the maximum premissble gasket stress


For raised-face flanges meeting DIN EN 1514
For emalled flanges and inspection glasses
For emergency repairs and complicated configurations
For operating pressures up to 40 bar
for highly corrosive medias such as HCL
Operating temperature from -250ºC up to 450°c depending on chemical resistance



Quality (QA) & Pre-qualification

ISO 9001:2008
JQS Achilles (Oil & Gas)
Sellihca (Utillities)

Raw Materials

Graphite Foil | Gra-gf

Weather resistance (relative)
(no spec.)
Ozone resistance (relative)
(no spec.)
Oil resistance (relative)
Water resistance (relative)
(no spec.)
Wapor resistance (relative)
(no spec.)
Acids resistance (relative)
Bases resistance (relative)
Gas permeability (relative)
(no spec.)
Tensile strength (relative)
(no spec.)
Max. Operating temperature (Celsius)
Min. Operating temperature (Celsius)
Max. Surface pressure (bar)
Min. Surface pressure (bar)
Max. Working pressure (bar)

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