Oblong/Cylindrical Tangent Reducer on flat section: ROCTP
Airflow control
Oblong/Cylindrical Tangent Reducer on flat section: ROCTP
Airflow control
The ROCTP oblong cylindrical tangent reducer is used to connect an oblong duct with a circular duct while maintaining a linear and flat ducting without losing space underneath.

Oblong/Cylindrical Tangent Reducer on flat section: ROCTP
The ROCTP oblong cylindrical tangent reducer is used to connect an oblong duct with a circular duct while maintaining a linear and flat ducting without losing space underneath.

The + products
- small size for high airflow,
- good airtight performance and controlled pressure losses,
- easy to install and maintain (no inaccessible corners).
- standard dimensions (20 oblong sections),
- galvanised steel as per EN 10346 ensuring uniformity of coating,
- M0 fire certification.
- easy assembly of interlocking accessories: ducts are female, accessories are male,
- Final seal requires sealant and/or perforated strip,
- attached to duct using self-tapping screws (4 to 6 depending on diameter).
Main material | Insulation material |
---|---|
Galvanised steel |

References | H (mm) | L (mm) | Ø (mm) | Ø B (mm) |
---|---|---|---|---|
11063961 - ROCTP GALVA - 360x80 - D125 | 80 |
360 |
125 |
125 |
11063962 - ROCTP GALVA - 360x80 - D160 | 80 |
360 |
160 |
160 |
11063963 - ROCTP GALVA - 360x80 - D200 | 80 |
360 |
200 |
200 |
11063964 - ROCTP GALVA - 350x100 - D160 | 100 |
350 |
160 |
160 |
11063965 - ROCTP GALVA - 350x100 - D200 | 100 |
350 |
200 |
200 |
11063966 - ROCTP GALVA - 350x100 - D250 | 100 |
350 |
250 |
250 |
11063967 - ROCTP GALVA - 450x100 - D160 | 100 |
450 |
160 |
160 |
11063968 - ROCTP GALVA - 450x100 - D200 | 100 |
450 |
200 |
200 |
11063969 - ROCTP GALVA - 450x100 - D250 | 100 |
450 |
250 |
250 |
11063970 - ROCTP GALVA - 410x165 - D200 | 165 |
410 |
200 |
200 |
11063971 - ROCTP GALVA - 410x165 - D250 | 165 |
410 |
250 |
250 |
11063972 - ROCTP GALVA - 410x165 - D315 | 165 |
410 |
315 |
315 |
11063973 - ROCTP GALVA - 475x165 - D200 | 165 |
475 |
200 |
200 |
11063974 - ROCTP GALVA - 475x165 - D250 | 165 |
475 |
250 |
250 |
11063975 - ROCTP GALVA - 475x165 - D315 | 165 |
475 |
315 |
315 |
11063976 - ROCTP GALVA - 545x165 - D250 | 165 |
545 |
250 |
250 |
11063977 - ROCTP GALVA - 545x165 - D315 | 165 |
545 |
315 |
315 |
11063978 - ROCTP GALVA - 545x165 - D355 | 165 |
545 |
355 |
355 |
11063979 - ROCTP GALVA - 700x165 - D315 | 165 |
700 |
315 |
315 |
11063980 - ROCTP GALVA - 700x165 - D355 | 165 |
700 |
355 |
355 |
11063981 - ROCTP GALVA - 700x165 - D400 | 165 |
700 |
400 |
400 |
11063982 - ROCTP GALVA - 515x215 - D315 | 215 |
515 |
315 |
315 |
11063983 - ROCTP GALVA - 515x215 - D355 | 215 |
515 |
355 |
355 |
11063984 - ROCTP GALVA - 515x215 - D400 | 215 |
515 |
400 |
400 |
11063985 - ROCTP GALVA - 675x215 - D315 | 215 |
675 |
315 |
315 |
11063987 - ROCTP GALVA - 675x215 - D400 | 215 |
675 |
400 |
400 |
11063988 - ROCTP GALVA - 675x215 - D450 | 215 |
675 |
450 |
450 |
11063994 - ROCTP GALVA - 645x265 - D400 | 265 |
645 |
400 |
400 |
11063995 - ROCTP GALVA - 645x265 - D450 | 265 |
645 |
450 |
450 |
11063996 - ROCTP GALVA - 645x265 - D500 | 265 |
645 |
500 |
500 |
11066452 - ROCTP GALVA - 325X130 - D125 | 130 |
325 |
125 |
125 |
11066453 - ROCTP GALVA - 325X130 - D160 | 130 |
325 |
160 |
160 |
11066454 - ROCTP GALVA - 325X130 - D200 | 130 |
325 |
200 |
200 |
11066455 - ROCTP GALVA - 325X130 - D250 | 130 |
325 |
250 |
250 |
11066457 - ROCTP GALVA - 425X130 - D200 | 130 |
425 |
200 |
200 |
11066458 - ROCTP GALVA - 425X130 - D250 | 130 |
425 |
250 |
250 |
11066459 - ROCTP GALVA - 490X130 - D160 | 130 |
490 |
160 |
160 |
11066460 - ROCTP GALVA - 490X130 - D200 | 130 |
490 |
200 |
200 |
11066461 - ROCTP GALVA - 490X130 - D250 | 130 |
490 |
250 |
250 |
11066462 - ROCTP GALVA - 490X130 - D315 | 130 |
490 |
315 |
315 |
Fire protection rating |
---|
M0 |