Mechanical Seals
Rubber Bellow
Elastomer bellows seal where the rubber bellows acts as secondary seal and drive.
Highly versatile non-pusher mechanical seal featuring an elastomeric bellows that eliminates sliding O-rings on the shaft. The bellows grips the shaft tightly, accommodating shaft runout and preventing fretting corrosion.
Product photo · Rubber Bellow
Specifications
Technical profile
- Design
- Elastomeric rubber bellows, non-pusher, single spring
- Shaft size
- 10 mm to 100 mm
- Face materials
- Carbon / Ceramic / Silicon Carbide
- Bellows material
- FKM (Viton) / EPDM / NBR / Neoprene
- Pressure rating
- Up to 12 bar
- Temperature
- -30 °C to +150 °C
- Drive mechanism
- Positive drive through rubber bellows grip
Specifications are typical and vary by variant. Share your duty conditions for an exact recommendation.
Key benefits
Why this product
- No relative sliding movement on the shaft eliminates fretting wear
- Accommodates significant shaft end-play and radial misalignment
- Single-piece bellows construction prevents hang-up in dirty water and slurry
- Fast, economical replacement for water pumps, chillers, and marine duties
Applications
Typical industries
FoodBreweriesChemicalBeverages
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Need this rubber bellow for your line?
Share your duty conditions and drawings — our team responds with a technical recommendation and a firm quote.