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Seal made of homogeneous film of multi-layer expanded graphite reinforced with a larger number of inserts. Very low oxidation value. For higher pressures and temperatures. Dimensions according to standards and to order.
Seal made of graphite plate reinforced with glued smooth Ni foil thickness. 0,013 mm. For low and medium pressures. Dimensions according to standards and to order.
Seal made of graphite plate reinforced with reed perforated sheet thickness. 0,1 mm. For medium and higher pressures. Dimensions according to standards and to order.
Seal made of graphite plate reinforced with stainless steel foil. steel thickness. 0,05 mm. For low and medium pressures. Dimensions according to standards and to order.
Sealing made of graphite plate reinforced with expanded stainless steel sheet thickness. Ideal for large pressure changes. Dimensions according to standards and to order.
Seal made of homogeneous flexible graphite film, coated on both sides with polymer film. Dimensions according to standards and to order.
We offer graphite gaskets according to CSN, EN, DIN, ANSI standards as well as custom-made ones.
POWERgraf 5 PREMIUM seals are made from multilayer expanded graphite reinforced with a larger number of inserts from stainless steel reed perforated sheet without the use of adhesives. The material has a very low oxidation value and is suitable for higher pressures and temperatures.
Available seal thicknesses: 1.5 - 2.0 - 3.0 mm
| POWER®graf HP | Values |
|---|---|
| Temperature range in oxidizing atmosphere | -200 to +450 ºC |
| Maximum operating pressure | up to 120 bar |
| Compressibility (ASTM F 36 A) | 30 - 40 % |
| Reciprocating suspension (ASTM F 36 A) | 4 - 5 % |
| Film specific gravity | 1,0 ± 5 % g/cm³ |
| Graphite content | > 99 % |
| Sulphur content | < 750 ppm |
| Leachable chloride content | < 40 ppm |
| Feature | Value | Unit |
|---|---|---|
|
Operating temperature
Teplotní odolnost grafitu je ovlivněna jeho čistotou - čím vyšší čistota, tím nižší oxidace (úbytek materiálu) za vyšších teplot.
|
-200 to 450 | °C |
|
Operating pressure
|
0 to 40 | bar |
|
Non-standard pressure
Vysekávaná těsnění jsou standardně dimenzovaná pro použití do 40 barů (v závislosti na typu spoje). Pro vyšší tlaky doporučujeme kovová těsnění nebo aplikaci konzultujte.
|
41 to 120 | bar |
|
Compressibility
V závislosti na tloušťce materiálu.
|
30 - 40 | % |
|
Reverse suspension
|
4 - 5 | % |
|
Specific gravity of the foil
0 ± 5 %
|
1 | g/cm³ |
|
Graphite content
|
> 99 | % |
|
Sulfur content
|
< 750 ppm | % |
|
Content of leachable chlorides
|
< 40 ppm | - |
We can create the perfect seal for your needs, including non-standard sizes.
Pokorny Industries Partnership in quality
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