InoxAir Transition Piece Square to Round
● Shipping: Germany €4.99, free from €100; EU €19.99
✓ Expert advice from building services specialists
✓ Pay by PayPal, card, Klarna or bank transfer
✓ Invoice with VAT shown separately
For business customers, larger quantities or projects, we will be happy to prepare a quote for you.
The price for this version is available on request. We will be happy to send you a quote.
You can also pay by bank transfer (prepayment). Bank details follow with the order confirmation.
Description
Description
InoxAir Transition Piece Square to Round is a rectangular-to-round transition piece from InoxAir's accessories for Fischbach fans of the VFD (double inlet) and VFE (single inlet) series. It connects the rectangular fan connection to a round duct; the catalogue specifies which article number fits which fan.
Technical data
Technical data
| Design | transition piece, rectangular to round |
|---|---|
| Suitable for | Fischbach fans VFD and VFE according to the catalogue |
| Source | InoxAir catalogue Fans, pp. 128 and 129 |
Features
Features
- Accessory for Fischbach fans according to the catalogue; listed in the catalogue as transition piece (discharge side) or transition connection (inlet side).
- The fan dimensions per model are given on the catalogue page.
Note on variants
Note on variants
Select the article number for your fan model under Size. The diameters in the variant names are not contained in the catalogue, some variants only state the article number; the assignment according to the catalogue is decisive:
| Variant | Article number | suitable according to the catalogue | Catalogue |
|---|---|---|---|
| Ø 250 mm | 51700 | discharge side: VFD 1400 | InoxAir catalogue Fans, p. 128 |
| Ø 250 mm + 51710 | 51710 | discharge side: VFD 1800 | InoxAir catalogue Fans, p. 128 |
| Ø 250 mm + 51740 | 51740 | discharge side: VFD 2400 | InoxAir catalogue Fans, p. 128 |
| Ø 250 mm + 51810 | 51810 | discharge side: VFE 2501/2 | InoxAir catalogue Fans, p. 129 |
| Ø 315 mm | 51770 | discharge side: VFD 3900 | InoxAir catalogue Fans, p. 128 |
| Ø 315 mm + 51790 | 51790 | discharge side: VFD 4100 | InoxAir catalogue Fans, p. 128 |
| Ø 315 mm + 51800 | 51800 | discharge side: VFD 4900, VFD 5500, VFD 5700 | InoxAir catalogue Fans, p. 128 |
| 315 mm dia. + 51830 | 51830 | discharge side: VFE 4001/2; inlet side: VFD 7800, VFD 8500, VFE 4001/2 | InoxAir catalogue Fans, pp. 128 and 129 |
| Adapter, square to round | 51840 | discharge side: VFE 4101/2, VFE 5101/2, VFE 5601/2 | InoxAir catalogue Fans, p. 129 |
| Transition piece, rectangular to round + 51850 | 51850 | discharge side: VFD 7800, VFD 8500; inlet side: VFD 9500 | InoxAir catalogue Fans, p. 128 |
| Transition piece square to round + 51900 | 51900 | discharge side: VFE 6801/2, VFE 7401/2, VFE 8201/2; inlet side: VFE 4101/2, VFE 5101/2, VFE 5601/2 | InoxAir catalogue Fans, p. 129 |
| Adapter, square to round + 51880 | 51880 | discharge side: VFD 9500, VFD 1258 | InoxAir catalogue Fans, p. 128 |
| Ø 200 mm | 51750 | discharge side: VFE 150/12; inlet side: VFD 2400, VFE 150/12 | InoxAir catalogue Fans, pp. 128 and 129 |
| Ø 200 mm + 51780 | 51780 | discharge side: VFE 2101/2; inlet side: VFD 3500, VFD 3900, VFE 2101/2 | InoxAir catalogue Fans, pp. 128 and 129 |
Data sheets and manuals (PDF)
Data sheets and manuals (PDF)
Ask about this product
We usually reply within one business day.
Note on reviews: Any visitor can submit a review using the form; a purchase is not required. Anyone who submits a review receives an email to confirm their email address. Reviews marked “Verified” come from customers who bought the product from us. We do not check other reviews for a purchase.
From our range
Selected products from ventilation, filter and pipe technology.








