Bellows, stainless steel: flange 304; bellows 1.4571, DN 250 ISO-K
Order number: 320SFK250-220

Axial stroke	± 25 mm \| ± 0.98 inch
Material	Stainless steel (flange: 304; bellows: DN 63 to DN 100 and DN 320: 316L; DN 160 to DN 250: 1.4571)
Nominal diameter	DN 250 ISO-K

Pressure range	1 · 10^-8 hPa to 500 hPa over pressure (elastomer seal); 1 · 10^-9 hPa to 500 hPa over pressure (metal seal)
Service life	1000 cycles
Temperature range	-196-300 °C \| -320.8-572 °F \| 77-573 K

Dimension-TIM-RS

File	Type	Language	Date	Filesize
Data sheet	PDF	EN	08-13-2022	~ 330.6 KB
Stepfile	STP	EN	09-15-2021	~ 1.4 MB

Your local contact

Pfeiffer Vacuum Inc.

24 Trafalgar Square
NH 03063-1988 Nashua
USA

T	+1 (800) 248-8254
F	+1 (888) 658-7983

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