Seal faces: Carbon graphite / Silicon carbide / Alumina ceramic
Bellows & secondary seals: NBR, EPDM, FKM (Viton)
Metal parts: 316L stainless steel
MOR 206 vacuum pump mechanical seal is a single‑acting, unbalanced, elastomer bellows mechanical seal specifically designed for liquid ring vacuum pumps, rotary vane vacuum pumps, small centrifugal pumps, and low‑pressure fluid equipment. It is a compact, economical, and widely used general‑purpose seal ideal for vacuum, water, oil, and mild chemical services.
Advantages
Excellent performance under vacuum and negative pressure conditions
Good resistance to crystallization and fouling
Easy installation and maintenance
Low cost and high interchangeability
Stable sealing for water, oil, solvents, and weak corrosive media
Applications fields
Liquid ring vacuum pumps
Rotary vane vacuum pumps
Small centrifugal pumps and booster pumps
Water circulation and cooling water pumps
Food, pharmaceutical, and light chemical vacuum equipment
Features
Elastomer bellows structure: Integral bellows provides flexibility, self‑compensation for wear, shaft movement, and vibration.
Unbalanced single seal: Simple construction suitable for low pressure and vacuum conditions.
Rotating bellows design: Stable performance, bidirectional rotation, no installation orientation limitation.
Short axial size: Compact dimensions to fit limited seal chamber space in vacuum pumps.
Single spring‑assisted or bellows‑driven: Ensures consistent face loading even under vacuum and low pressure.
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