Type DLQ
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Ceiling diffusers Type DLQ Horizontal air discharge With damper blade For four-way horizontal supply air discharge, with fixed ​ air control blades – sheet steel diffuser face Square ceiling diffusers ■■ Nominal sizes 250, 300, 400, 500, 600, 625 ■■ Volume flow rate range 20 – 700 l/s or 72 – 2520 m³/h ■■ Square diffuser face ■■ Diffuser face made of sheet steel, powder-coated ■■ For supply and extract air ■■ For variable and constant volume flows With connecting frame ■■ For all types of ceiling systems ■■ High induction results in a rapid reduction of the temperature difference and ​ airflow velocity Optional equipment and accessories ■■ Exposed diffuser face available in RAL CLASSIC colours ■■ Horizontal or vertical duct connection ■■ Blanking plates for adjusting the discharge direction ■■ Duct cross bar for installation without plenum box ■■ Plenum box with cord-operated damper blade an

Ceiling diffusers Type Page Technical data DLQ - 4 Quick sizing DLQ - 5 Specification text DLQ - 7 Order code DLQ - 8 Dimensions and weight DLQ - 11 Product details DLQ - 14 Installation examples DLQ - 15 Installation details DLQ - 16 Basic information and nomenclature DLQ - 20 Application - Type DLQ ceiling diffusers are used as supply air or extract air diffusers for comfort zones - Attractive design element for building owners and architects with demanding aesthetic requirements - Horizontal four-way supply air discharge for mixed flow...

Ceiling diffusers DLQ Functional description Ceiling diffusers direct the air from air conditioning ​ systems into the room. The resulting airflow ​ induces high levels of room air, thereby rapidly ​ reducing the airflow velocity and the temperature ​ difference between supply air and room air. ​ Ceiling diffusers allow for large volume flow rates. ​ The result is a mixed flow ventilation in comfort ​ zones, with good overall room ventilation, creating ​ only very little turbulence in the occupied zone. Type DLQ ceiling diffusers have fixed blades. ​ Horizontal air discharge is four-way....

Ceiling diffusers Technical data Nominal sizes Minimum volume flow rate Maximum volume flow rate, with LWA ≅ 50 dB(A) Supply air to room air temperature difference

Ceiling diffusers DLQ Quick sizing tables provide a good overview of the volume flow rates and corresponding sound power levels and differential pressures. The maximum volume flow rates apply to a sound power level of approx. 50 dB (A). Exact values for all parameters can be determined with our Easy Product Finder design programme. DLQ-A, DLQ-AR (supply air), sound power level and total differential pressure 02/2017 - DE/en TROX ®TECHNIK

Ceiling diffusers DLQ DLQ-AK (supply air), sound power level and total differential pressure Nominal size Given data V = 300 l/s (1280 m3/h) Square ceiling diffuser, steel, with fixed air control blades Maximum sound power level 40 dB(A) with damper blade position 45° Four-way air discharge Quick sizing Type DLQ Nominal sizes: 600, 625 Selected: DLQ/600

Ceiling diffusers Specification text This specification text describes the general ​ properties of the product. Texts for variants can be ​ generated with our Easy Product Finder design ​ programme. Ceiling diffusers with square diffuser face. Supply ​ air and extract air variants for comfort zones. ​ Diffuser face with fixed air control blades for ​ horizontal four-way air discharge. For installation ​ into all types of suspended ceilings. Ready-to-install component which consists of the ​ galvanised sheet steel diffuser face with fixed air ​ control blades, a diffuser front frame with ​...

Ceiling diffusers [H Type DLQ Ceiling diffuser [2] Connection A Diffuser face only AR Vertical, with connecting frame AG Vertical, with blades (not for nominal size 250) C Vertical, with butterfly damper ZH Horizontal, supply air, with plenum box AH Horizontal, extract air, with plenum box [3] Damper blade for volume flow rate balancing No entry: without damper blade Only for connections ZH, AH M With damper blade MN With cords and pressure tap [4] Accessories No entry: without accessories L With lip seal (only with plenum box) [6] Exposed surface No entry:...

Ceiling diffusers DLQ-A Variant – Ceiling diffuser with square diffuser face Parts and characteristics – Square diffuser face – Simple installation of the diffuser face due to ​ central fixing screw with decorative cap DLQ-AR Variant – Ceiling diffuser with square diffuser face – With connecting frame Nominal sizes – 250, 300, 400, 500, 600, 625 DLQ-C Variant – Ceiling diffuser with square diffuser face – With connecting frame – With butterfly damper Nominal sizes – 250, 300, 400, 500, 600, 625 DLQ-AG Variant – Ceiling diffuser with square diffuser face – With connecting frame – With...

Ceiling diffusers DLQ DLQ-AK Variant – Ceiling diffuser with square diffuser face – With plenum box for horizontal duct connection airflow through the diffuser face (supply air ​ variant) Simple installation of the diffuser face due to ​ central fixing screw with decorative cap Damper blade for volume flow rate balancing ​ (optional) Pressure tap and cord-operated damper blade ​ for volume flow rate balancing (optional) Lip seal (optional) Nominal sizes – 250, 300, 400, 500, 600, 625 Parts and characteristics – Square diffuser face – Plenum box for horizontal duct connection – Square...

Ceiling diffusers Dimensions and weight DLQ-A 02/2017 - DE/en TROX ®TECHNIK

Ceiling diffusers Dimensions and weight DLQ-C

Ceiling diffusers Weights apply to the supply air variant

Ceiling diffusers Nominal size

Ceiling diffusers Installation examples Installation in T-bar ceilings, arrangement in a ​ row DLQ Installation in continuous ceilings

Ceiling diffusers Installation details Installation and commissioning – Preferably for rooms with a clear height up to ​ 4.0 m – Flush ceiling installation – Horizontal or vertical duct connection – If necessary, carry out volume flow rate ​ balancing with the damper blade These are only schematic diagrams to illustrate ​ installation details. Flush ceiling installation with square plenum ​ box ① Duct ② Suspension hole ③ Diffuser face – Horizontal duct connection – Four suspension holes – Suspension with cords, wires or hangers, to be ​ provided by others Diffuser face – sealing ③ ① Plenum...