Specifications
| Material | 316L stainless steel (inner) - 304 stainless steel (outer) - 30 mm rock wool |
|---|---|
| Colour | Black |
| Finish | Matt lacquered |
| Length (overall) | 324 mm |
| Wall thickness | 30 mm |
| Maximum service temperature | 600°C |
| Thermal resistance | 0.443 m² K/W |
| RAL paint | RAL 8022 |
| Temperature class (continuous operation) | T450 and T600 |
| Standard | According to EN 1856-1 |
| Certification | CE 0099-CPR-A71-0001 and 0002 |
| Manufacturer | Bofill |
| Origin | Spain |
| Flue range | Bofill insulated twin-wall flue (30 mm wall thickness) |
| Flue type | Connectors and adapters |
Cuttable single-wall to twin-wall insulated adapter - 316L Stainless Steel twin-wall insulated flue, Black
Black-lacquered stainless steel connector for joining the stove's connecting flue pipe (single wall) to the twin-wall insulated chimney flue. Its 264 mm working length can be cut to suit any installation.
Available in various diameters, with or without a change of diameter on the twin-wall insulated side.
Lead time: 2 to 3 weeks
Related products:
👉 The single-wall to twin-wall insulated adapter is an essential component for a tight, secure connection between the rigid connecting flue pipe of the heating appliance and the twin-wall insulated chimney flue.
It can be cut to suit any installation and gives a sober, attractive finish.
⚠️ Bofill insulated twin-wall flue accessories may be compatible with other brands of flue provided they have the same internal / external dimensions.
Reminder of the inside and outside diameters of DPI Bofill flues:
Int. 80 mm → Ext. 140 mm
Int. 100 mm → Ext. 160 mm
Int. 125 mm → Ext. 185 mm
Int. 150 mm → Ext. 210 mm
Int. 175 mm → Ext. 235 mm
Int. 200 mm → Ext. 260 mm
In which applications should 316 stainless steel twin-wall insulated (DPI) flues be used?
Bofill modular twin-wall insulated stainless steel flues are multi-fuel:
✅ Flue gas removal from wood stoves, inserts, fireboxes and wood, biomass and pellet boilers
✅ Flue gas removal from natural-draught gas fireboxes and boilers
✅ Flue gas removal from gas and oil boilers for domestic and industrial heating and hot water production.
✅ Hot air generators
What is a Bofill Black twin-wall insulated modular flue?
Bofill twin-wall insulated flues are made up of:
➡️ An inner wall in AISI 316L stainless steel, 0.4 mm thick
➡️ An outer wall in AISI 304 stainless steel, 0.4 mm thick, lacquered matt black (RAL 8022).
➡️ Rock wool insulation (high density, 150 kg/m³), 30 mm thick
The elements are connected by a 55 mm male/female spigot system and included joining collars that make installation easier and avoid thermal bridges.
