Twin Wall Air

Bends

90° Bend

Article Code: 88.90.A

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The Twin Wall AIR 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: Annular space air 25mm thick.

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-fired, diesel, wood-burning or multi-fuel boilers.

Construction of ventilation systems (suppy and return air)

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 € 102,98 € 104,80 € 157,52
Ø 100 € 107,20 € 109,85 € 165,07
Ø 130 € 139,84 € 143,09 € 215,07
Ø 150 € 149,32 € 153,16 € 230,22
Ø 180 € 156,67 € 161,89 € 243,34
Ø 200 € 168,67 € 174,65 € 262,53
Ø 250 € 204,67 € 211,95 € 318,59
Ø 300 € 244,17 € 254,26 € 382,19
Ø 350 € 289,19 € 301,28 € 452,87
Ø 400 € 379,78 € 396,34 € 594,22

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 Air

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