Type X-GRILLE Basic

Ventilation grilles with flat border construction – also for continuous horizontal runs

The new X-GRILLE Basic ventilation grilles with their gently sloped border 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 19 – 2651 l/s or 68 – 9544 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
  • Gently sloped border construction, almost completely flush with the installation surface
  • Linear look, ideal for continuous horizontal runs
  • 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

X-GRILLE-Basic 00132826_0


  • Application
  • Description

Application

  • Ventilation grille of Type X-GRILLE Basic 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
  • 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
  • Gently sloped border construction, almost completely flush with the installation surface
  • 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

Variants

  • Single grille
  • Horizontal run section


Fixing

  • VS: Concealed screw fixing
  • KF: Spring clip fixing

VS, KF only with installation subframe

Parts and characteristics

  • Gently sloped border
  • Horizontal blades with concealed linkage to adjust blades simultaneously
  • 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

Materials and surfaces

  • Border made of galvanised sheet steel
  • 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 9010, pure white
  • P1: 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

Teknisk information

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

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

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.

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 LWA 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

Volumen flow rates for single grille for supply air.


Geometric free area

H L [mm]
H 225 325 425 525 625 825 1025 1225
H Ageo
mm

125

0.013

0.019

0.026

0.032

0.037

0.051

0.064

0.077

225

0.025

0.038

0.051

0.064

0.073

0.103

0.129

0.155

325


0.057

0.077

0.096

0.109

0.154

0.193

0.232

425



0.102

0.128

0.146

0.206

0.258

0.310

525




0.160

0.182

0.257

0.322

0.387


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

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

Ventilation grilles with gently sloped border, rectangular, for supply and extract air. Function combined with an appealing design. Gently sloped border. 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
  • Gently sloped border construction, almost completely flush with the installation surface
  • Linear look, ideal for continuous horizontal runs

Materials and surfaces

  • Border made of galvanised sheet steel
  • 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 9010, pure white
  • P1: 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 LWA 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]
  • Δpt _______________________ [Pa]

Air-regenerated noise

  • LWA _______________________ [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.

Order example: X-GRILLE-Basic-AG/525×225/B1/VS/P1-RAL 9016

Attachments

Damper unit, opposed action blades

Nominal size

525 × 225 mm

Installation subframe

With installation subframe

Fixing

Concealed screw fixing

Surface

RAL 9016, traffic white, gloss level 70 %


Order example: X-Grille-Basic-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

RAL 9010, pure white, gloss level 50 %


 

Dimensions and weight, Product details

  • Dimensions and weight
  • Product details

The weight table shows the available nominal sizes

X-GRILLE Basic, single grille

H L [mm]
H 225 325 425 525 625 825 1025 1225
H m
mm kg

125

0.5

0.6

0.8

0.9

1.1

1.4

1.7

2.0

225

0.8

1.0

1.2

1.5

1.7

2.2

2.7

3.1

325


1.4

1.7

2.0

2.3

3.0

3.7

4.3

425



2.2

2.6

3.0

3.9

4.7

5.5

525




3.1

3.6

4.8

5.7

6.7

Weights apply to ventilation grilles without attachments


X-GRILLE Basic for continuous horizontal runs

H Section
H E M
mm kg/m kg

125

1.6

3.2

225

2.6

5.2

325

3.6

7.2

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

  • Installation examples
  • Installation details
  • Commissioning
  • Basic information and nomenclature
Wall installation 00153815_0

Nominal length up to 625 mm: without vertical centre mullion

Installation and commissioning

  • Installation preferably in walls, sills and rectangular ducts
  • Installation with installation subframe is recommended


These are only schematic diagrams to illustrate installation details.

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

Principal dimensions

L [mm]

Nominal length of the ventilation grille

H [mm]

Nominal height of the ventilation grille

m [kg]

Weight

Nomenclature

LWA [dB(A)]

Sound power level of the air-regenerated noise

V [m³/h] and [l/s]

Volume flow rate

Δpt [Pa]

Total differential pressure

lS [m]

Distance from single grille or horizontal run section (throw distance)

Nedladdningar

Referenser

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