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.

Silicone Bellows — Silicone
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

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.