CasaFan Twrh

Adjustable wall duct for axial-flow wall fans. Various size options available. Material: galvanized steel sheet, circular 10 mm brim on both ends. Size adjustable between 250 - 450 mm. Application: in walls with up to 470 mm thickness, duct can be shortened on-site for walls with less than 250 mm. May only be combined with EX-rated wall fans if both ends have been grounded according to VDE guidelines.

Model specifications:

• TWRH 170: Drill hole 183 mm, Inside Ø A 170 mm, Outside Ø B 190 mm, Weight 1.4 kg.
• TWRH 220: Drill hole 233 mm, Inside Ø A 220 mm, Outside Ø B 240 mm, Weight 1.8 kg.
• TWRH 270: Drill hole 283 mm, Inside Ø A 270 mm, Outside Ø B 290 mm, Weight 2.2 kg.
• TWRH 330: Drill hole 343 mm, Inside Ø A 330 mm, Outside Ø B 350 mm, Weight 2.7 kg.
• TWRH 375: Drill hole 388 mm, Inside Ø A 375 mm, Outside Ø B 395 mm, Weight 3 kg.
• TWRH 440: Drill hole 453 mm, Inside Ø A 440 mm, Outside Ø B 460 mm, Weight 3.8 kg.
• TWRH 470: Drill hole 483 mm, Inside Ø A 470 mm, Outside Ø B 490 mm, Weight 3.9 kg.
• TWRH 525: Drill hole 538 mm, Inside Ø A 525 mm, Outside Ø B 545 mm, Weight 4.3 kg.
• TWRH 620: Drill hole 633 mm, Inside Ø A 620 mm, Outside Ø B 640 mm, Weight 5 kg.
• TWRH 645: Drill hole 658 mm, Inside Ø A 645 mm, Outside Ø B 665 mm, Weight 5.3 kg.

Compatible models:

• TWRH 170: M 150, MF 150, Novus LHV 160.
• TWRH 220: EQ 20, Novus LHV 160.
• TWRH 270: E 25, E-Ex 25, EQ 25, EQ 25 Ex, EQ 25 Eco, EQ MD 25, EQ HD 25, MP 25.
• TWRH 330: E 30, E-Ex 30, EQ 30, EQ 30 Ex, EQ 30 Eco, EQ MD 30, EQ HD 30, MP 30.
• TWRH 375: E 35, E-Ex 35, EQ 35, EQ Ex 35, EQ 35 Eco, EQ MD 35, EQ HD 35, MP 35.
• TWRH 440: E 40, E-Ex 40, EQ 40, EQ Ex 40, EQ 40 Eco, EQ MD 40, EQ HD 40, MP 40, Novus LHV 400.
• TWRH 470: E 45, E-Ex 45, MP 45.
• TWRH 525: E 50, E-Ex 50, EQ 50, EQ Ex 50, EQ 50 Eco, EQ MD 50, EQ HD 50, MP 50.
• TWRH 620: E 60, E-Ex 60, MP 60.
• TWRH 645: EQ 60, EQ Ex 60, EQ 60 Eco, EQ MD 60, EQ HD 60.