
Bruno Contracting: A Leader in the Field of Stainless Steel Flue Liners
Our dedication to continuous growth and innovation has positioned us as the first company in the Middle East to design, develop, and manufacture our own line of CE-certified stainless steel VAK flue pipes.
This achievement ensures that we consistently deliver exceptional quality across all our projects, with our systems undergoing annual ENCE evaluations. With 60 years of expertise, we’ve crafted a pioneering range of flue systems that are not only easy to install and mechanically robust but also fully compliant with European standards.
VAC GE50

Designation: EN 1856-1 – T600 – H1 – D – Vm – L50060 – G50
Double wall modular stainless steel flue liner, designed for 600 °C and 5000 Pa.
Sizes: 125–500 mm
Inner Wall: AISI 316L (0.6 mm+)
Outer Wall: AISI 4301 / 316L (depending on environment)
Insulation: Rockwool 50 mm (100 mm optional)
VAC BO50

Designation: EN 1856-2 – T300 – P1 – W – Vm – L20060 – O50
Double wall modular stainless steel flue liner, designed for 300 °C and 200 Pa.
Sizes: 125–500 mm
Inner Wall: AISI 304L (0.6 mm+)
Outer Wall: AISI 304L (0.5 mm+)
Insulation: Rockwool 50 mm (70 kg/m³)
VAC BO25

Designation: EN 1856-2 – T200 – P1 – D – Vm – L20040 – O70
Double wall modular stainless steel flue liner, designed for 200 °C and 200 Pa.
Sizes: 125–500 mm
Inner & Outer Wall: AISI 304 (0.4 mm)
Insulation: Rockwool 25 mm (70 kg/m³)
VAC SW

Designation: EN 1856-2 – T400 – N1 – W – Vm – L50060 – O70
Single wall modular stainless steel flue liner, designed for 400 °C with 40 Pa natural draught.
Sizes: 100–350 mm
Wall: AISI 316L (0.6 mm+)
Characteristics: Ends fixed by locking bands, resistant to acid pitting.
VAC SW+

Designation: EN 1856-2 – T200 – P1 – W – Vm – L50060 – O50
Single wall modular stainless steel flue liner with seal for joint tightness, certified EN 14241-1.
Can withstand 200 °C and 200 Pa.
Sizes: 100–350 mm
Wall: AISI 316L (0.6 mm+)
Seal: Silicone T300-W2-K2-LE (–60 °C to +300 °C)
VAC OW

Designation: EN 1856-2 – T400 – N1 – D – Vm – L20040 – O70
Single wall modular stainless steel flue liner, designed for 400 °C with 40 Pa natural draught.
Sizes: 100–350 mm
Wall: AISI 304 (0.4 mm)
Characteristics: Used for conveying flue gas from open fireplaces, stoves, and similar appliances.