High-Temp Canvas / Bellows / Flexible Duct Connector
Main applications
the key solution for industrial ductwork
Key Features
Extreme temperature capability (500°C / 1000°C)
From silicone and vermiculite coatings through to silica with laminated stainless mesh — the right construction for the duty
Excellent vibration and noise isolation
Absorbs vibration far better than a metal joint — protecting the duct and surrounding equipment from damage
Flexible thermal expansion absorption
Absorbs pipe movement and distortion at operating temperature — preventing leakage entirely
Weather resistant, waterproof and gas-tight
Special coatings keep it dimensionally stable outdoors while holding a precise seal
Light and easy to install
Far lighter than a metal bellows — easy to install and replace in confined spaces and complex structures
Product Lineup
| Product | Main use |
|---|---|
| 500°C canvas | Silicone / vermiculite coated glass fiber Weather resistance, waterproofing, excellent flexibility |
| 1000°C canvas | High-purity silica fiber with stainless mesh Extreme heat resistance, thermal shock resistance, non-combustibility |
Specifications
| Fabrication form | Round, rectangular or tapered — custom multi-layer construction |
| Standard sizes | Made 1:1 to your duct dimensions |
| Material for 500°C | Silicone / vermiculite coated glass fiber |
| Material for 1000°C | High-purity silica fiber with stainless mesh reinforcement |
| Key properties | Vibration absorption, thermal expansion absorption, gas tightness, weather and water resistance |
Applications
Power & process plant
- •Gas turbine exhausts and boiler duct connections
- •Vibration absorption on heat exchangers
Semiconductor & batteries
- •Exhaust systems on high-temperature firing furnaces
- •Hot duct runs inside cleanrooms
Industrial furnaces, chemical plant & marine
- •Furnace exhaust lines and corrosive gas ducts
- •Engine exhaust manifolds and silencer connections
Construction & fire protection
- •Smoke extraction duct connections
- •Kitchen exhaust connections at fire compartments
Notes
- ※Low-cost canvas frequently degrades and tears in hot exhaust service — a silica-based, precisely made product secures plant reliability.
- ※In very high pressure service, a metal bellows should be considered alongside — technical consultation is recommended at the design stage.
- ※Supply your site dimensions and we will fabricate 1:1 in round, rectangular or tapered form.