1 Acticon AB • Sjöåkravägen 30 • SE-564 31 Bankeryd • Sweden • Tel +46 (0)36 370790 • www.acticon.se

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Product sheet Flexi-G 2012-06-01

EASY-VENT for renovationmodel FLEXI-G Air terminal device for mounting behind existing radiators

• Quiet and draught-free ventilation in older residences

• For buildings with mechanical exhaust air or natural ventilation

• The hole for the air intake is made above the radiator or an existing trickle vent is used

• Quick and easy mounting without having to remove the window sill or radiator

• Effective noise reduction from surroundings

ProducT FAcTS

Flexi is manufactured in hot-dip galvanized sheet steel and powder lacquered in pure white (colour RAL9010). The middle section is made of air-tight textile materials. Flexi is manufactured in Sweden and developed to meet tough climate conditions.

The clean and warmed fresh air flows into the room from over the upper edge of the radiator. Draught-free and silent. The apartment’s ”old” air is extracted via the kitchen hood and vents in the toilets and bathrooms.

Flexi-G with filterand cleaning cover

Radiator

Clean and warmed fresh air

QuIET PLAcES To LIVE

Many tenants are disturbed by traffic noise inside of their apartments. An installation with Flexi reduces the noise significantly as compared with a trickle vent. In areas that are heavily trafficked or are exposed to high levels of street-noise it may be necessary to use sound dampening ducts. Our range of ducts includes several models designed to suit the different types of wall construction that exist.

How THE FLEXI-G FuNcTIoNS

Outside air is led through the facade grille and intake duct into the air terminal that is mounted on the wall behind the radiator. At the inlet to the air terminal there is a filter that prevents pollen and other contaminants from following the fresh air into the room. The purified air flows into the air terminal and then flows up alongside the rear of the radiator. The air is effectively warmed when it comes into contact with the surface of the radiator before flowing out over its upper edge. Draught-free and silent.Easy-Vent for renovation is based upon natural physical principles. The design of the air terminal creates forced convection alongside the surface of the radiator. This combined with the large temperature difference between the radiator and the exterior air provides very effective heat transmission.

Flexi consists of sheet steel and textile materials and offers a unique combination of stability and adaptability

Outside air is ledthrough the facade grille and duct

2 Acticon AB • Sjöåkravägen 30 • SE-564 31 Bankeryd • Sweden • Tel +46 (0)36 370790 • www.acticon.se

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Product sheet Flexi-G 2012-06-01

AIr INTAkE AboVE rAdIATor - VErTIcAL wALL

One of the following models may be suitable depending upon the type of radiator mounting.

They are: Flexi-G, Flexi-MK, Flexi-G narrow or Flexi-G with T-duct (see below).

A pre-requisite for being able to use Flexi is that the distance between the radiator’s upper edge and the window sill is at least 60 mm.

dImENSIoNS ANd VArIATIoNS

See the figures below. All of the figures show the air terminal with the side facing the radiator. The cleaning cover at the air terminal’s upper end is 30 mm wider than the air terminal.

mANY VArIATIoNS oF FLEXI

Flexi is available in many models. The models presented below are used when the facade wall is vertical and the air intake is placed at the upper edge of the radiator. If the facade wall is angled then the Flexi-SV is most suitable (see separate product sheet).

mouNTING

Flexi-G: A hole is made (1 x Ø85 mm or 2 x Ø51-55 mm) in the facade wall above the radiator. The duct and facade grille are mounted. The flexible Flexi is easily put into place behind the radiator and held in place with two screws at the upper edge.Flexi-G can also be mounted above an existing trickle vent placed under the window sill. Remove the cover for the trickle vent. Place the Flexi behind the radiator and fix in place with two screws above the trickle vent..

Flexi-mk: Used when the radiator is mounted on a centre bracket.

Flexi-G narrow and Flexi-G with T-duct: Used if the distance between the brackets is very short.

Installation with air terminal Flexi-G, duct PR 50 and facade grille VS-2

For radiator height 300 mm applies to 1) 300

For radiator height 300 mm applies to 1) 150

1) 40

0

445 mm 445

1) 25

015

0

For radiator height 300 mm applies to 1) 300

1) 40

0

210 mm

For radiator height 300 mm applies to 1) 300

1) 40

0

445 mm

Flexi-G Flexi-mk Flexi-G narrow Flexi-G with T-duct

300 mm

3 Acticon AB • Sjöåkravägen 30 • SE-564 31 Bankeryd • Sweden • Tel +46 (0)36 370790 • www.acticon.se

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Product sheet Flexi-G 2012-06-01

SouNd ATTENuATING FLEXI

The tables below shows the reduction coefficient for a complete installation consisting of Easy-Vent for renovation - Flexi model, duct, facade grille and radiator. Reduction coefficient Dn,e,w ref. 10 m2 is measured according to ISO 140-10 and SS-EN ISO 717. Contact Acticon if you would like more information about the actual modification terms.

cIrcuLAr ducT wITH FAcAdE GrILLE

Model Flexi

rEcTANGuLAr ducT bELow wINdow LEdGE

Model Flexi

dn,e,w

54

52

49

47

42

41

40

39

duct

CV 80

CV 80

CI 80

CI 80

2 x PR 50

CS 80

2 x PR 50

CS 80

concrete

X

X

X

X

X

X

Facade grille

VS-1-dB

KC 80, RC 80, VS-1

VS-1-dB

KC 80, RC 80, VS-1

VS-2-dB

VS-1-dB

VS-2

KC 80, RC 80, VS-1

Stud framed wall with mineral wooll

X

X

X

X

X

X

X

X

dn,e,w

49

46

37

duct

RTB

RB

RA

concrete

X

X

Stud framed wall with mineral wooll

X

X

X

AIr FLow

The table below shows how much air is supplied at a pressure drop of 10 Pa and 15 Pa. These values apply to a complete installation consisting of Flexi with basic filter, duct and facade grille.

Air terminal model Air flow l/sat 10 Pa

Air flow l/sat 15 Pa

Flexi-G, Flexi-MK

Flexi-G with T-duct

Flexi-G narrow

7

6

4

8

7

5

FILTEr

An effective basic filter made of synthetic fibres is delivered with each air terminal. The filter can easily be removed and replaced by opening the cleaning cover.

cLoSAbLE dAmPEr

All variations of the Flexi-G can be delivered with a damper that can be set to closed or open position. Note that the filter must be removed from the air terminal to be able to close the damper. This is a safety measure to avoid the damper being closed unintentionally.

The filter shall rest against the upper metal edge

4 Acticon AB • Sjöåkravägen 30 • SE-564 31 Bankeryd • Sweden • Tel +46 (0)36 370790 • www.acticon.se

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Product sheet Flexi-G 2012-06-01

AccESSorIES

Useful accessories can be seen below.

cIrcuLAr ducTS

Circular ducts are always used together with a facade grille.

Pr 50 duct in plastic. When there is limited space for making a hole two PR 50 are usedDiameter 50 mmSize of hole: Ø51-55 mm

cI 80 sound attenuating ductfor concrete wallDiameter 80/120 mmSize of hole: Ø125+Ø85 mm

cS 80smooth sheet steelDiameter 80 mmSize of hole: Ø85 mm

cV 80sound attenuating duct for stud frame wallsDiameter 80 mmSize of hole: Ø85 mm

rEcTANGuLAr ducTS

All rectangular ducts open under the window ledge. This way the air intake is always hidden and does not have an effect on the appearance of the facade. The window ledge also acts as weather protection.

rTbRectangular duct with integrated grille and internal acoustic insulation. Suitably mounted in connection with change of window.

rA and rbRA and sound attenuating RB are rectangular ducts with integrated grille and plate for fastening to the wall. The RB duct is only used in stud frame walls.

FAcAdE GrILLES

Our facade grilles are manufactured using Aluzink sheet metal and are equipped with wire mesh to prevent small animals from coming through the duct. All grilles can be lacquered in the colour of your choice. Sound attenuating grilles are also available.

wEATHEr ProTEcTIoN VS-1 Exterior dimensions: 165x150 mm (WxH)Used with together with ducts CS, CV and CI

rc 80Exterior dimensions:Ø135 mmUsed together with ducts CS, CV and CI

wEATHEr ProTEcTIoN VS-2 Exterior dimensions: 300x80 mm (WxH)Used with two PR 50 ducts

kc 80 Exterior dimensions: 135x135 mm (WxH)Used together with ducts CS, CV and CI

wEATHEr ProTEcTIoN VS-2-db Sound attenuating grilleExterior dimensions: 300x100 mm (WxH)Used with two PR 50 ducts

wEATHEr ProTEcTIoN VS-1-db Sound attenuating grilleExterior dimensions: 200x150 mm (WxH)Used together with ducts CS, CV and CI