Twin Wall

Bends

90° Bend

Article Code: 88.90

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The Twin Wall 90° Bend is the fundamental component for changing direction of the vertical or sub-horizontal sections of a flue or a Chimney System in accordance with the requirements of  UNI EN 1856-1.

Inner Wall: Stainless Steel 316L BA (EN 1.4404 - L50) 0.5 mm thick.

Outer Wall: Stainless Steel 304 BA (EN 1.4301 - L20) thickness 0.5 mm or Copper 0.6 mm thick.

Insulation: Rock wool, thickness 25 mm, density 90 kg / cubic meter.

Welding: longitudinal TIG process for the fusion of adjoining pieces, without filler.

Belling: cold moulding, done with a mould and counter mould hydraulic expansion system ensuring calibrated joints with a tolerance of +/- 2mm.

Accessories: triple lip silicone gasket to ensure the joint is sealed; locking band to secure the joint and ensure the continuity of the system.

Convey and disperse the products resulting from the combustion processes of natural gas boilers in Chimney Systems in accordance with the requirements of UNI EN 1856-1; convey and disperse gases and smoke generated by the combustion processes of diesel fuel, wood-burning or multi-fuel appliances in Flues; ventilation in supply and return of air systems in Ventilation Ducts.

For the designation of the Chimney System according to UNI EN 1856-1 the following is allowed:

operation:
- Dry (D)
- Wet (W)

pressures:
- Positive (P1 = 200 Pa)
- Negative (N1 = 40 Pa).

Operating temperatures:
- ≤ 200 ° C with silicone gasket and P1 = 200 Pa

Dimensione 304 - 304 316 - 304 316 - Rame
Ø 80 € 108,49 € 79,75 € 143,99
Ø 100 € 113,71 € 85,24 € 156,18
Ø 130 € 148,12 € 105,24 € 202,20
Ø 150 € 158,54 € 109,43 € 213,97
Ø 180 € 167,58 € 129,85 € 250,55
Ø 200 € 180,79 € 146,47 € 280,68
Ø 250 € 219,40 € 165,24 € 317,50
Ø 300 € 263,20 € 211,23 € 412,17
Ø 350 € 311,87 € 259,59 € 489,41
Ø 400 € 410,27 € 309,53 € 583,32

I prezzi riportati sul sito possono subire variazioni senza preavviso.

DiDeASNumeroSaldaturaSaldaturaSaldatura
mmmmmmmmSettoriDi - 316De - 304De - Rame
801302491782TIGTIGTIG
1001502701882TIGTIGTIG
1301802992032TIGTIGTIG
1502003182122TIGTIGTIG
1802303492282TIGTIGTIG
2002503692382TIGTIGTIG
2503004192632TIGTIGTIG
3003504692882TIGTIGTIG
3504005163132TIGRULLIAGGRAFFATI
4004505693382RULLIRULLIAGGRAFFATI
4505006203632RULLIRULLIAGGRAFFATI

The technical data on the website are subject to change without notice.

Twin Wall

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