... : - 75oC ~ +200oC 3. Speed: 25m/s Mechanical SealsCartridge seals, shaft seals HF670,675,676,680 Applications:Petrochemicals, Oil refining and ... Less leakage, high sealing reliability, strong aseismatic ability and long operating cycle.4. Superior adhered and compensated nature, widely used ... Low Temperature range Metal Bellows Mechanical Seals, Cartridge seals, shaft seals HF670,675,676,680