Decorative radiators Comfortable indoor ventilation Heating and cooling ceiling systems Clean air solutions Zehnder ComfoTube Flat 51 Technical specification for ventilation tube (flat oval tube) THE ORIGINAL
COMFOTUBE FLAT 51 General Zehnder ComfoTube Flat 51 meets all the requirements for quick and easy installation. The oval-shaped, flexible flat oval tube is easy to handle. The ventilation tube is manufactured from highquality, food-grade plastic (HDPE). It has a smooth Zehnder Clinside inner surface and is easy to clean. Zehnder ComfoTube features low pressure loss and can be used for centrally and decentrally adjustable airflow rates. The excellent, tried-and-tested product quality is indicated by the SKZ seal and in the hygiene certificate issued by the Hygiene Institute for the Ruhrgebiet ComfoTube Flat 51 Connector Flat 51 Benefits Y piece Flat 51 Cross-piece Flat 51 The ribbed outer skin makes Zehnder ComfoTube Flat 51 exceptionally flexible and enables safe handling with maximum flexibility. The inner skin with its hygienically smooth surface rests perfectly against the outer skin and is designed to be ideal for all technical requirements and conditions. Enhanced feel-good climate for the end customer due to the sound-optimised inner skin, which ensures extremely quiet air flow and refrains from generating more noise even when air volumes are larger. Technical specifications Locking slide Flat 51 Mounting bracket Flat 51 Zehnder ComfoTube Flat 51 Exterior dimensions W/H (mm) Interior dimensions W/H (mm) Weight per metre in length (g/m) 138 mm / 51 mm 127 mm / 35 mm 400 g/m Metres per roll 20 m 50 m Weight per roll 8 kg 20 kg Roll height 30 cm 45 cm Roll diameter 100 cm 135 cm End cap Flat 51 Bend Flat 51 H Specifications Bend Flat 51 V Junction 90/75 to Flat 51 Zehnder ComfoTube Flat 51 Material Pure HDPE Min. horizontal bend radius r = 3 x W Min. vertical bend radius r = 3 x H Permissible operating temperature -25 to 60 C Note: Smaller bend radius is possible when using the Flat 51 H and Flat 51 V bends. Do not keep the tube outdoors without using protective film and protect it from direct sunlight. Junction 90 to Flat 51, 90 bend Junction 2x75 to Flat 51 2
Article numbers Article number Ventilation tube ComfoTube Flat 51, roll: 20 m 990 328 002 Ventilation tube ComfoTube Flat 51, roll: 50 m 990 328 063 Ventilation tube ComfoTube Flat 51, roll: 2 m 990 328 080 Ventilation tube ComfoTube Flat 51, roll: 0.7 m 990 328 070 Connector Flat 51 990 322 014 Locking slide Flat 51 (20 pieces) 990 326 022 Mounting bracket Flat 51 (10 pieces) 990 322 016 End cap Flat 51 (10 pieces) 990 328 2 Bend Flat 51 H 990 322 012 Bend Flat 51 V 990 322 011 Junction 90/75 to Flat 51 990 322 013 Junction 90 to Flat 51, 90 bend 990 322 046 Junction 2x75 to Flat 51 990 322 150 Y piece Flat 51 990 322 151 Cross-piece Flat 51 990 322 154 Description ComfoTube Flat 51 Flexible, externally crimped, stable air distribution tube. Zehnder ComfoTube Flat 51 can easily be laid on an unfinished floor and in cavities inside the insulation layer. Owing to its compact dimensions (with a width of 138 mm and a height of 51 mm), the ventilation tube is easy to put to use even when there is very little space available. The ventilation tube also features Zehnder Clinside a smooth inner skin which is very easy to clean. This has also been confirmed by the Institute for Hygiene of the Ruhrgebiet in Germany. Zehnder ComfoTube Flat 51 is subject to continuous quality controls procedures by the Süddeutsche Kunststoff-Zentrum in Germany. In order to ensure easy installation, moulded bodies are available for the ventilation system. End cap Flat 51: HDPE end caps for dust-tight sealing of ComfoTube Flat 51 during construction. Can also be used for click connectors and bends. Bend Flat 51 H: 90 HDPE bend for connection to ComfoTube Flat 51. Horizontal 90 bend. The joint is sealed via two O-rings (supplied) and locking slides. Bend Flat 51 V: 90 HDPE bend for connection to ComfoTube Flat 51. Vertical 90 degree bend. The joint is sealed via two O-rings (supplied) and locking slides. Junction 90/75 to Flat 51: HDPE junction for connection to ComfoTube 90 or 75 ventilation ducts with Flat 51. The joint is sealed via two O-rings (supplied) and locking slides. Junction 90 to Flat 51, 90 bend: HDPE junction for connection to ComfoTube 90 ventilation ducts with Flat 51 as 90 bend. The joint is sealed via two O-rings (supplied) and locking slides. Junction 2x75 to Flat 51: HDPE junction for connection to ComfoTube 90 or 75 ventilation ducts with Flat 51. The joint is sealed via the O-rings and locking slides supplied. Y piece Flat 51 HDPE y piece for setting up a branch of the ComfoTube Flat 51 ventilation tubes. The joint is sealed via the O-rings and locking slides supplied. Cross-piece Flat 51: HDPE Flat 51 cross-piece for the crossing of Flat 51 ventilation tubes with a minimum installation height. The total height is 51 mm. Connector Flat 51: HDPE click connectors that connect easily with ComfoTube Flat 51. The joint is sealed via two O-rings (supplied) and locking slides. O-ring/locking slide/mounting bracket Flat 51: O-ring seals and locking slides for sealing and fastening. Suitable for use with all ComfoTube Flat 51 accessory parts. O-ring PU: 10 pcs. Locking slide PU: 20 pcs. Mounting bracket PU: 10 pcs. 3
COMFOTUBE FLAT 51 Dimensional drawings 138 mm Permissible vertical bend radius Permissible horizontal bend radius r r 51 mm Must bend through a min. r = 3 x H Must bend through a min. r = 3 x B Click connector Flat 51 140 123 77,5 35 End cap Flat 51 60 42 86 148 Bend Flat 51 H Bogen flat 51 H A 20 64 213 B 140 C 125 238,5 250 Zehnder Gmbh Almweg 34, 77933 Lahr Postfach 26, 77922 Lahr Telefon 07821/586-0 General tolerances/ Allgemeintoleranzen DIN ISO 2768-mK Datum Erstellt 26.11.2012 Freig. Copyright reserved to/ Schutzvermerk nach DIN ISO 16016 Name VRE Scale/Maßstab: 1:2 Status: IN WORK Material/Werkstoff: Designation/Benennung: BEN-FL51x90-HOR 4
Bend Flat 51 V 3 140 Junction 90/75 to Flat 51 167 A A 9,5 125 78 140 10 (7) (7) Junction 90/75 to Flat 51, 90 bend 78 14 7 94 Ø92 43,5 40 Ø75 94 12 131,5 1 140 1,5x45 40 5
COMFOTUBE FLAT 51 Kreuzungsstück flat 51 Cross-piece Flat 51 343 343 64 Zehnder Gmbh Almweg 34, 77933 Lahr Postfach 26, 77922 Lahr Telefon 07821/586-0 General tolerances/ Allgemeintoleranzen DIN ISO 2768-mK Copyright Scale/Maßstab: reserved to/ Schutzvermerk Material/Werkstoff: nach DIN ISO 16016 Y Y- piece Stück Flat 51 flat 51 310 291 64 6
Junction Flat 51 to 2xDN75 176 88 81 137 7
Pressure loss graphs Pressure loss in Pa 10 8 6 4 2 0 0 5 10 15 20 25 30 35 40 45 50 55 60 Air volume in m 3 /h Cross-piece flat 51 Y piece flat 51 Pressure loss in Pa 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 Air volume in m 3 /h Horizontal bend Vertical bend ComfoTube flat 51 Z_DE_V1216_CSY_TES_TS012, en, subject to change without notice Zehnder Group Deutschland GmbH Sales International Almweg 34 77933 Lahr Germany T +49 7821 586-392 F +49 7821 586-406 sales.international@zehndergroup.com www.international.zehnder-systems.com