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Inner- and Outerring: C-Steel, SS 304 (1.4301), SS 316 (1.4401), SS 321 (1.4541)
Special alloys like Hastelloy, Inconel etc.
Spiral: SS 304, 316, 321, Hastelloy, Inconel etc.
Filler: Graphite, PTFE, ePTFE, special Mica-materials, Ceramics
Applications: Vacuum up to +320 bar
Temperatures: PTFE -200 to +250°C Graphite -250 to +550°C Mica -200 to +600°C, Phlogopit up to 1000°C
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