Fabric Belt for Non-Metallic Expansion Joints
1. 7-layer composite fabric belt: fluororubber, SS wire mesh, PTFE diaphragms, fiberglass cloth — engineered for aggressive duct environments.
2. Two material families: silicone-coated fiberglass (up to 600°C) and fluoroelastomer (up to 1000°C) for any operating envelope.
3. Multi-directional movement absorption: axial ±50–300 mm, lateral ±30–150 mm, angular 30–40% of effective length.
4. Integrated insulation bolster (thermal pillow) protects belt core from extreme heat, high-velocity erosion, and acoustic noise.
5. Zero-permeation PTFE dual-diaphragm barrier against sulfuric acid, HCl, HF condensate — FGD and SCR compliant.
6. Engineered back-up bar clamping system with star-pattern torque sequence for uniform sealing pressure without hot-spots.
7. Tensile strength ≥2000 N/50mm with 3–5 year service life; silicone variants offer up to 10-year outdoor weather durability.
8. Covers DN100–DN5000 circular, rectangular custom, and irregular profiles — belt-type segmented delivery for access-limited sites.
