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COMPAIR STEEL flow® - The original one

www.naber.com • www.compair-flow.com


Metal ducted air system COMPAIR STEEL flow®

1.  Packing 2.  Connection to the ventilator 3.  Deformation behaviour of flexible channels 4.  Fire protection 5.  Atmospheric density 6.  Strength (foodprint load) 7.  Strength (laying in the floor structure) 8.  Development of corrosion 9.  Sound transmission

Topics



Safe dispatch due to approved "Impact test for packages ready for dispatch according to DIN EN 22248".


1. Packing


Connection to round pipe sockets of ventilators: •  Offsetting end piece (4061028) •  Round pipe (4061010, 4061009) •  Flexible round pipe (4061006, 4061007, 4061008)

Connection to flat duct connection of ventilators: •  Pipe set for hob ventilator (4061024) •  Flat duct, remove seal (4061003, 4061004) •  Flexible flat duct, remove seal (4061001, 4061002)

Connection to ventilators with Ecotube connection: •  Adapter (4061035)


2. Connection to the ventilator

www.naber.com • www.compair-flow.com Metal ducted air system COMPAIR STEEL flow®

Flat duct flexible hose: Round pipe flexible hose:

Folding radius: approx. R60 Folding radius: approx. R50

max. length change - compressing: Channel can be shortened continuously variable

max. length change - compressing: -50%

max. length change - stretching: 300% max. length change - stretching: +120%

4061001, 4061002 4061006, 4061007, 4061008

3. Deformation behaviour of flexible channels

www.naber.com • www.compair-flow.com Metal ducted air system COMPAIR STEEL flow®

The duct components consist mainly of metallic materials and are therefore considered as non-combustible. Due to the requirements for air tightness and sound insulation, polymer-based seals are required. Fire protection properties of the polymer-based sealing material: Glow wire test according to EN/IEC 60695-2-11 > approved Needle flame test according to EN/IEC 60695-11-55 > approved Properties of the complete channel system: Building material classification according to EN 13501-1: 2007+A1:2009 > Building material class A1 (The A1 classification applies to the complete system. This means that any logical combination of the components contained in the system can be implemented).

4. Fire protection


DIN EN 12237 includes the leak test for ventilation ducts. In each case, a positive and negative pressure is applied to the components to be tested. Naber checks the air tightness within the scope of quality assurance. Classification of the tightness classes: Class A: worst result

(highest leakage rate) Class D: best result

Test result: SF-VRO Flex

Leckage rate

Test pressure


5. Atmospheric density


For safe installation on the construction site and for pouring into concrete, a minimum load-bearing capacity of 100 kg was assumed for the ducts. The load-bearing capacity was confirmed within the framework of a building material evaluation by a recognised inspection body.


6. Strength (foodprint load)


Flat duct incl. support bridge were integrated into a floor structure usual for residential buildings. Subsequently, it was checked whether the required load-bearing capacity of the soil structure was achieved. The evaluations showed that the load-bearing capacity of the floor construction remains unchanged despite the installation of a COMPAIR STEEL flow® channel incl. support.

Installation recommendation for components laid in the floor structure


7. Strength (laying in the floor structure)

InstallationCOMPAIRSTEELflow®

SF-VRO150flatductpipe(4061003/4061004)incl.

SF-VRO150support(4061029)

20.September2018 Page1|1

Subjecttochange

Description:

Ventilationpipeincl.bracingelementsfor

installationwithinthefloorstructure.Connection

dimensionmetalduct216x83mm(withseal).

Footprintloadcapacity:

Thecomponentsoftheflattrunkingsystemare

designedforatreadloadofapprox.100kg

(1000N)forsafeinstallationintheshellofthe

building.

Installation

recommendation:

Theplannerhastocalculatetheheightofthefloor

constructiontakingintoaccountthethermaland

impactsoundinsulation,thetypeofscreed,the

floorcovering,thepayloadandtheheight

compensationofinstallations.Forlaying,the

instructionsforplanningandexecutionoffloor

constructionsforpipes,linesandinstallationparts

onunfinishedceilingsissuedbytheZentralverband

DeutschesBaugewerbe(ZDB)havetobeobserved.

Inordertomakearecommendationtothe

planner,NaberGmbHchargedMaterialprüfungs-

undVersuchsanstaltNeuwiedGmbHwiththe

executionofcomparativetestsonthemechanical

load-bearingcapacityofthefloorstructurewhen

layingthesteelflowairductsystem.Withinthe

scopeoftheexaminations,thedescribedfloor

structurewassubjectedtocomparativetestsfor

therequiredscreedload-bearingcapacityof

strengthclassC25-F4accordingtoDINEN13813.

Theexaminationsconfirmedtheload-bearing

capacityofthestructure.Therecommendations

arebasedonMPVAtestreportno.6-53/1206/18

dated11.09.2018.

Soilstructure:

1. CementscreedCT-C25F4accordingto

DINEN13813(screedthickness=45mm

accordingtoDIN18560-1)

2. ImpactsoundinsulationRatioinsulation

EPSfoldingpanels30-3DESsmCP3SD15

3. 100mmEPSthermalinsulationEPS035

DEO/WABdmincl.steelflowductsystem

installedinsideincl.supportelements

Impactsound

transmission:

Measurementscarriedoutforimpactsound

transmissioninafloorstructurecustomaryfor

residentialbuildingswithandwithoutsteelflow

flatductelementsshowedthattheimpactsound

transmissionisnotinfluencedbytheinsertionofa

ventilationpipe.


Within the scope of a soundproofing measurement, it was examined whether the laying of a flat duct in the floor structure has negative influences on the impact sound transmission.

The measurements for impact sound transmission in a floor structure common for residential buildings showed that the impact sound transmission is not influenced by the insertion of a ventilation pipe.


8. Sound transmission


Salt spray test according to DIN EN ISO 9227 NSS (corrosion test): The test specimen is positioned over a defined period in a test chamber in which a saline mist is sprayed. If there is a weakness at the specimen (defective weld seam, irregularities in the coating, ...), the corrosion progresses especially rapid at this point.

Exemplary comparison of different materials after the test.

Ensuring corrosion resistance: Naber compared numerous compositions of zinc coatings to each other to ensure optimum corrosion resistance. The corrosion test according to DIN EN ISO 9227 NSS is part of the quality assurance.


9. Test for the formation of corrosion

After 144 hours: clear corrosion can be detected.

After 144 hours: no corrosion can be detected.

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Good air is plannable!

Everything from a single source With Naber, you have a contact partner for all aspects of the air ducting of the cooker hood - no matter which option your customers might require. We offer you coordinated systems and technical know-how for special requirements, such as laying the exhaust air duct in the floor structure. For more information, please visit our new service website: www.compair-flow.com

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