TW 25

TW 25 is a rockwool insulated stainless steel chimney system designed for the conveyance of all associated waste products of combustion.

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Construction

Twinwall TW25 is a rockwool insulated stainless steel chimney system, NO THERMAL BRIDGE designed for the conveyance of all associated waste products of combustion from solid and muliti-fuel appliances with a 316L grade stainless steel inner liner V2 corrosion resistance .

Outer case: 304 grade stainless steel typical bright stainless-steel finish;

Designations
Product marking according to the European standard: EN 1856-1.

With seals
- T200 P1 W V2 L50040-O30
- T200 P1 W V2 L50050-O30
- T200 P1 W V2 L50060-O30

Without seals
- T600 N1 W V2 L50040 G70
- T600 N1 W V2 L50050 G70
- T600 N1 W V2 L50060 G70

Available diameters – mm

Int. Diam: 80 – 100 – 130 – 150 – 180 – 200 – 250 – 300
Ext. Diam: 130 – 150 – 180 – 200 – 230 – 250 – 300 – 350
(On Request till Int. Diam 400 mm)

TW 25 – CLASS 1 APPLICATION

TW 25 is a rockwool insulated Stainless Steel chimney system designed for the conveyance of all associated waste products of combustion from solid and multi-fuel appliances

Inner liner in 316L grade stainless steel V2 Corrosion resistance.

Outer case: 304 grade stainless bright.

Outer case: 304 grade stainless black (typical Matt stove finish), also available in white, grey or any other RAL colour on request.

APPLICATION:

Designed for all Multi-Fuel Stoves, biomass, pellet, wood, oil and gas appliances where the maximum flue gas temperature does not exceed 600 °C.

For Dry (D), Fu (W) and Positive Pressure (P) applications.

With the addition of a gasket seal joint, TW 25 can be used on condensing gas and oil appliances with positive pressure of up to 200 Pa and temperatures of up to 200 °C. of up to 200 Pa and temperatures of up to 200 °C.

Standard thickness inner and outer 0.40 mm (On request available in 0,5 and 0,6 mm)
Insulation: 25 mm high-density mineral wool
V2 Corrosion resistance
Precision engineered jointing
Rockwool insulated with no thermal bridge
Compatible with all A1 Components
Install in the direction arrow indicated on the liner
CE / UKCA certified
HETAS approved
LIFETIME GUARANTEE (according to A1’s guidelines)

Applications

MULTI-FUEL STOVE

A multi-fuel stove is similar to a wood-burning stove in appearance and design. Multifuel refers to the capability of the stove to burn wood and also coal, wood pellets, or peat