Circular ducts
Couplings
Couplings join circular ducts and fittings into one run. Ns with a rubber gasket for circular ducts, M without rubber for fittings, from Ø 80 to Ø 1250 mm.
Key data
- Diameters
- Ø 80 to Ø 1250 mm
- Material
- Galvanised steel (Z275), stainless steel 304 and stainless steel 316.
- Connection
- Ns has a rubber gasket and joins two spiral ducts. M has no rubber and joins two fittings, which have their own EPDM gasket.
- Airtightness
- Pressed pieces: airtightness class D, all other pieces: class C, to EN 1507.
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Sizes
All sizes in mm. The article code is shown next to each version: replace Ø with the size you need.
Couplings with rubber gasket
Ns-ØWith a rubber gasket, for joining circular ducts.
| Ø |
|---|
| 80 |
| 100 |
| 125 |
| 150 |
| 160 |
| 180 |
| 200 |
| 225 |
| 250 |
| 280 |
| 300 |
| 315 |
| 355 |
| 400 |
| 450 |
| 500 |
| 560 |
| 600 |
| 630 |
| 710 |
| 800 |
| 900 |
| 1000 |
| 1250 |
Couplings without rubber
M-ØWithout a rubber gasket, for joining fittings.
| Ø |
|---|
| 80 |
| 100 |
| 125 |
| 150 |
| 160 |
| 180 |
| 200 |
| 225 |
| 250 |
| 280 |
| 300 |
| 315 |
| 355 |
| 400 |
| 450 |
| 500 |
| 560 |
| 600 |
| 630 |
| 710 |
| 800 |
| 900 |
| 1000 |
| 1250 |