John crane type 680 metal bellow seal replacement
- Low-temperature & High temperature, rotating edge-welded metal Bellows Seal
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Description:
Application medium: Various aqueous solutions, aromatic compounds, crude oil medium, hydrocarbons, chemical production, and hot oil transportation. Which are particularly suitable for high viscosity media.
Application industry: chemical, water and wastewater, pulp and paper, and utility industries
Operating Limits:
- Temperature:-75-320℃
- Speed: 20m/s
- Pressure: 25bar
- Standard size: 18mm–175mm
Materials:
- Seal ring: Car,Sic,Ssic,TC
- Secondary seal: FFKM, flexible graphite
- Metal bellow :304,316,HAST.C, Inconel alloy
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