... : - 75oC ~ +200oC 3. Speed: 25m/s Mechanical SealsCartridge seals, shaft seals HF670,675,676,680 Applications:Petrochemicals, Oil refining and ... operating cycle.4. Superior adhered and compensated nature, widely used material, strong adaptiveness to the environment and outstanding high temperature ... Low Temperature range Metal Bellows Mechanical Seals, Cartridge seals, shaft seals HF670,675,676,680