The semi-draft 135° inox Φ250/300 double-walled is a professional chimney component made of stainless steel AISI 304 BA. It is designed for industrial installations, large boilers, and district heating systems.

• Material: Stainless steel AISI 304 BA, non-magnetic
• External diameter: 300 mm — for systems with particularly high flow rates
• Insulation: Ceramic wool 25 mm — minimizes thermal losses
• Sealing: High-temperature silicone flange 200°C
• Connection system: Male-female — easy and quick assembly
• Weight: 1.20 kg
• Certification: CE EN 1856-1 / EN 1856-2
• Steel thickness: 0.40 mm
• Insulation density: 96 kg/m³
• Continuous resistance: 600°C

Manufactured by Technometal Hellas with ISO 9001:2008 certification.