... : - 75oC ~ +200oC 3. Speed: 25m/s Mechanical SealsCartridge seals, shaft seals HF670,675,676,680 Applications:Petrochemicals, Oil refining and cooling ... hot Water and other weak corrosive solutions. Feature:1) Rotary bellows mechanical seal of Hastelloy-C of low temperature range ... system standard. Low Temperature range Metal Bellows Mechanical Seals, Cartridge seals, shaft seals HF670,675,676,680