Seat: Ceramic, SiC, TC

Metal parts: SS316, hastelloy C

Process industry

Petrochemical industry

Cold media

Special rotating equipment

Bellow Mechanical Seal

Difference between Metal Bellow Seal and Ordinary Mechanical Seal

Metal bellows mechanical seal with no auxiliary seal ring, reduce a leak; at the same time reduce the friction resistance compensation mechanism, improve the following; in the petrochemical industry, welding sealing temperature is not restricted by auxiliary seal bellows; for PTFE bellows seal can be used in the corrosive medium. Its drawback is that some bellows have the smaller elastic force and need to add auxiliary springs.

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