X-GRILLE Cover

X-GRILLE COVER

Ventilation grilles, made of high-quality aluminium – also for continuous horizontal runs

The new X-GRILLE Cover ventilation grilles, made of high-quality aluminium combine function with an attractive design; they can be installed in walls, sills or rectangular ducts.

Nominal sizes 225 × 125 – 1225 × 525 mm
Volume flow rate range 16 – 2554 l/s or 58 – 9194 m³/h
Energy-efficient and acoustically optimised air discharge
Symmetric blade profile for two-way entry flow
Uniform look and easy adjustment due to concealed blade linkage
Concealed, optimised screw fixing
Linear look, ideal for continuous horizontal runs
Easily exchangeable cover plates allow for a lively two-colour look
Use of existing rear assemblies
Easy replacement of existing grilles due to standard installation dimensions

Optional equipment and accessories

Installation subframe
Attachments for volume flow rate balancing and air direction control
Concealed screw fixing
Spring clip fixing

Application

Application

Ventilation grille of Type X-GRILLE Cover as supply air or extract air variant for comfort zones and industrial zones
Attractive design element for building owners and architects with demanding aesthetic requirements
Two-colour look blends in nicely with the interior of reception or executive rooms
Directed supply air discharge for mixed flow ventilation
Blades are adjustable to meet different local requirements
For variable and constant volume flows
For supply air to room air temperature differences from –12 to +4 K
For installation in walls, sills and rectangular ducts

Special characteristics

Symmetric blade profile for two-way entry flow
Concealed blade linkage for adjusting the blades simultaneously
Countersunk screw holes, covered by cover plates, allow for screw fixing
Easily exchangeable cover plates allow for a lively two-colour look
Linear look, ideal for continuous horizontal runs

Nominal sizes

Single grille

Nominal length: 225, 325, 425, 525, 625, 825, 1025, 1225 mm
Nominal height: 125, 225, 325, 425, 525 mm

Horizontal run section

Nominal length of end section: 950 – 2025 mm
Nominal length of middle section: 2000 mm
Nominal height: 125, 225, 325 mm

Other dimensions upon request

Description

Variants

Single grille
Horizontal run section

Fixing

Countersunk holes, concealed by cover plate
VS: Concealed screw fixing
KF: Spring clip fixing

VS, KF only with installation subframe

Parts and characteristics

Front border with horizontal clip-fixed cover plates
Horizontal blades with concealed linkage to adjust blades simultaneously
Horizontal centre mullion with clip-fixed cover blade from nominal height 225 mm
Vertical centre mullion for nominal lengths over 625 mm
Concealed screw fixing and spring clip fixing, optional

Attachments

AG, AS, D, DG: For volume flow rate balancing and for air direction control

Accessories

Installation subframe: For the fast and simple installation of ventilation grilles

Construction features

Only small clearance between blades and border
Centrally supported blades
Countersunk holes, concealed by cover plate

Materials and surfaces

Border, cover plates and blades made of aluminium
Linkage and end pieces for blades made of highly temperature resistant special plastic, flame retardant to UL 94, V-0
Border and blades powder-coated RAL 9005, jet black
Cover plates powder-coated RAL 9006, white aluminium
P1: Border and blades powder-coated, RAL CLASSIC colour
P2: Cover plates powder-coated, RAL CLASSIC colour

Standards and guidelines

Sound power level of the air-regenerated noise measured according to EN ISO 5135

Maintenance

Maintenance-free as construction and materials are not subject to wear
Inspection and cleaning to VDI 6022

Tehnički podaci

Function, Technical data, Quick sizing, Specification text, Order code

Schematic illustration of a ventilation grille with longitudinal blades

① Front border
② Longitudinal blades
③ Centre mullion

Functional description

Ventilation grilles are air terminal devices for the supply air and extract air of ventilation and air conditioning systems. They direct the supply air into the room. Ventilation grilles with adjustable blades allow for adapting the discharge direction to the local conditions. The result is a mixed flow ventilation in comfort zones and industrial zones, with good overall room ventilation.

Induction slows the airflow down, i.e. the airflow velocity decreases as the distance from the grille increases. The distance at which the airflow velocity reaches a certain defined value, e.g. 0.2 m/s, is called throw distance. The supply air jet from wall grilles that are installed near the ceiling achieves a larger throw distance than a free jet (from a grille that is not installed near the ceiling). Single grilles, groups of grilles and continuous horizontal runs all achieve different throw distances.

In cooling mode it is necessary to take account of the jet deviation towards the occupied zone, which increases as the supply air to room air temperature difference increases and the discharge velocity decreases. In heating mode the supply air jet deviates towards the ceiling. This has no negative effect on the airflow velocity in the occupied zone, but it may affect the complete ventilation of the room.

X-GRILLE Cover, X-GRILLE Basic, volume flow rate ranges 00144329_0

× L_WA = 40 dB(A) with unrestricted airflow+ L_WA = 40 dB(A) with airflow restricted by 50 %

Ventilation grilles, rectangular, made of high-quality aluminium, for supply and extract air. Function combined with an attractive design. Front border with horizontal clip-fixed cover plates. Preferably for wall and sill installation but also suitable for rectangular ducts.

Ready-to-install component which consists of a border and symmetrically and aerodynamically profiled, horizontal blades with a concealed linkage that allows for adjusting the blades simultaneously.

Special characteristics

Symmetric blade profile for two-way entry flow
Concealed blade linkage for adjusting the blades simultaneously
Countersunk screw holes, covered by cover plates, allow for screw fixing
Easily exchangeable cover plates allow for a lively two-colour look
Linear look, ideal for continuous horizontal runs

Materials and surfaces

Border, cover plates and blades made of aluminium
Linkage and end pieces for blades made of highly temperature resistant special plastic, flame retardant to UL 94, V-0
Border and blades powder-coated RAL 9005, jet black
Cover plates powder-coated RAL 9006, white aluminium
P1: Border and blades powder-coated, RAL CLASSIC colour
P2: Cover plates powder-coated, RAL CLASSIC colour

Technical data

Nominal sizes: 225 × 125 to 1225 × 525 mm
Horizontal run section, height: 125, 225, 325 mm
Minimum volume flow rate (supply air): 16 – 568 l/s or 58 – 2045 m³/h
Maximum volume flow rate (supply air), at L_WA max. 40 dB(A) without attachments: 97 – 2651 l/s or 350 – 9544 m³/h
Supply air to room air temperature difference: –12 to +4 K

Sizing data

V _______________________ [m³/h]
Δp_t _______________________ [Pa]

Air-regenerated noise

L_WA _______________________ [dB(A)]

This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design programme.

Life cycle assessment
A life cycle assessment is available for the product series in form of an Environmental Product Declaration (EPD) that has been checked and published by a programme holder.

Type
X-GRILLE-Cover Single grille

Attachments
A       Without (grille face only)
AG       Damper unit, opposed action blades
AS       Hit and miss damper
D       Air direction control, blades installed at 90° to the front blades, independently adjustable
DG       D combined with AG

Nominal size [mm]
L × H

Installation subframe
       VS, KF only with installation subframe
       No entry: none
B1       With

Fixing
       No entry: countersunk holes, concealed by cover plates
VS       Concealed screw fixing
KF       Spring clip fixing
       VS, KF only with installation subframe

Surface (border and blades)
No entry: powder-coated RAL 9005, jet black
P1 Powder-coated, RAL ... CLASSIC

Surface finish - cover plates
No entry: powder-coated RAL 9006, white aluminium
P2 Powder-coated, RAL ... CLASSIC

       Gloss level
       RAL 9010 50 %
       RAL 9006 30 %
       All other RAL colours 70 %

Order example: X-Grille-Cover-AG/525×225/B1/VS

Attachments	Damper unit, opposed action blades
Nominal size	525 × 225 mm
Installation subframe	With installation subframe
Fixing	Concealed screw fixing
Surface (border and blades)	RAL 9005, jet black, gloss level 70 %
Surface finish - cover plates	RAL 9006, white aluminium, gloss level 30%

Order example: X-Grille-Cover-E-R-AG/1025×225/D1/VS

Section	End section
End section	Right end section
Attachments	Damper unit, opposed action blades
Nominal size	1025 × 225
Installation subframe	For end section
Fixing	Concealed screw fixing
Surface (border and blades)	RAL 9005, jet black, gloss level 70 %
Surface finish - cover plates	RAL 9006, white aluminium, gloss level 30%

Dimensions and weight, Product details

X-GRILLE Cover, 28 mm wide front border

L Nominal length Vertical centre mullion if L > 625 mm
H Nominal height Horizontal centre mullion from H = 225 mm

The weight table shows the available nominal sizes

X-GRILLE Cover, single grille

H	L [mm]
H	225	325	425	525	625	825	1025	1225
H	m
mm	kg
125	0.4	0.6	0.7	0.9	1.0	1.7	2.1	2.5
225	0.6	0.9	1.1	1.3	1.5	2.3	2.9	3.4
325		1.1	1.4	1.7	2.0	3.0	3.6	4.3
425			1.9	2.3	2.7	3.9	4.7	5.6
525				2.7	3.2	4.5	5.5	6.5

Weights apply to ventilation grilles without attachments

X-GRILLE Cover, continuous horizontal run

H	Section
H	E	M
mm	kg/m	kg
125	2.0	4.0
225	2.8	5.6
325	3.5	7.0

Middle section M: 2000 mm

End section E: 950 – 2025 mm in increments of 1 mm

Weights apply to sections without attachments

Installation examples, Installation details, Commissioning, Basic information and nomenclature

Wall installation

Nominal length over 625 mm: with vertical centre mullionNominal height over 225 mm: with horizontal centre mullion

Ventilation grille with concealed screw fixing

① Installation subframe
② Concealed screw fixing
③ Ventilation grille

Installation and commissioning

Installation preferably in walls, sills and rectangular ducts
Installation with or without installation subframe
If no installation subframe is used, the border should be fixed with screws

These are only schematic diagrams to illustrate installation details.

Volume flow rate balancing -*G

Attachments -AG, -DG and Types AGW, DGW

Volume flow rate balancing

When several ventilation grilles are installed on the same duct, it may be necessary to balance the volume flow rates.

AG: Damper unit with opposed action blades, adjustable, secured with a locking screw
AS: Damper unit with hit and miss damper, adjustable, secured with a locking screw

Air pattern

Adjustable blades: Set the air control blades individually or together and depending on the local conditions
D, DG: Air control blades, fitted at 90° to the front blades, can be adapted to the local conditions

Preuzimanja

informacije o proizvodima

Product data sheet Type X-Grille Cover

Product data sheet 2,4 MB pdf
Tip X-Grille Cover

K1 - 1.3 -1 280 KB pdf

brošure

Sales flyer Type X-GRILLE

Sales flyer 820 KB pdf

certifikati

Declaration of hygiene conformity Type X-GRILLE Cover

X-GRILLE-Cover_HC_2020_06_08_DE_en Hygiene certificate 1,1 MB pdf
Environmental Product Declaration X-GRILLE-Cover

X-GRILLE-Cover_EPD_2024_03_DE_en Environmental Product Declarations 380 KB pdf
Non-CE Manufacturer's statement X-GRILLE Cover

X-GRILLE-Cover_NotCE_2022_02_08_14_33_59_DE_en Certificate 1,1 MB pdf

priručnici za rad

Installation manual X-Grille Basic/Cover

X-GRILLE_IM_CD10001_V2_2024_11_GB_en Installation manual 1,2 MB pdf

TROX Services

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H	L [mm]
H	225	325	425	525	625	825	1025	1225
H	A_geo
mm	m²
125	0.013	0.019	0.026	0.032	0.039	0.050	0.063	0.076
225	0.021	0.032	0.042	0.053	0.063	0.081	0.102	0.123
325		0.051	0.068	0.085	0.102	0.131	0.165	0.199
425			0.093	0.117	0.141	0.180	0.228	0.275
525				0.149	0.179	0.230	0.290	0.350

Nominal sizes	225 × 125 to 1225 × 525 mm
Horizontal run section	H: 125, 225, 325 mm
Minimum volume flow rate	16 – 568 l/s or 58 – 2045 m³/h
Maximum volume flow rate, with L_WA max. 40 dB(A) without attachments	97 – 2651 l/s or 350 – 9544 m³/h
Supply air to room air temperature difference	–12 to +4 K

X-GRILLE COVER

Ventilation grilles, made of high-quality aluminium – also for continuous horizontal runs

Application

Description

Tehnički podaci

Function, Technical data, Quick sizing, Specification text, Order code

Dimensions and weight, Product details

Installation examples, Installation details, Commissioning, Basic information and nomenclature

Preuzimanja

informacije o proizvodima

Product data sheet Type X-Grille Cover

Tip X-Grille Cover

brošure

Sales flyer Type X-GRILLE

certifikati

Declaration of hygiene conformity Type X-GRILLE Cover

Environmental Product Declaration X-GRILLE-Cover

Non-CE Manufacturer's statement X-GRILLE Cover

priručnici za rad

Installation manual X-Grille Basic/Cover

TROX Services

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STATISTIKA I ANALIZA WEB STRANICE

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