Silicone
Silicone Bellows
Flexible, cleanroom-moulded silicone dust boots and expansion joints for chutes.
Hygienic flexible silicone bellows and expansion joints designed for powder transfer chutes, vibratory feeders, and weighing cells in pharma and food plants. Isolates mechanical vibration while maintaining an airtight sterile seal.
Representative image · Silicone
Specifications
Technical profile
- Construction
- Seamless compression moulded or hand-built fabric-reinforced
- Material grade
- 100% Platinum Cured Silicone, translucent or white FDA/USP Class VI
- Reinforcement
- Optional polyester or Nomex fabric ply for positive pressure lines
- Diameter range
- 50 mm to 800 mm internal diameter, custom convolute counts
- End fittings
- Plain cuff for worm clamps or integrated Tri-Clover sanitary flanges
- Temperature
- -60 °C to +220 °C continuous operating range
Specifications are typical and vary by variant. Share your duty conditions for an exact recommendation.
Key benefits
Why this product
- Translucent walls allow visual inspection of powder flow and blockage detection without removal
- Ultra-smooth interior surface prevents powder retention and bacterial cross-contamination
- Highly flexible convolutes absorb 3D mechanical vibration on load cells without damping errors
- CIP and SIP cleanable without removing bellows from the processing line
Applications
Typical industries
PharmaFoodBeverages
Related categories
Need this silicone bellows for your line?
Share your duty conditions and drawings — our team responds with a technical recommendation and a firm quote.

