Krantz Components

The Compass RoseRadial · mixing ventilationseen from below

RL

Radial slot outlet, square (RL-Q2) or circular (RL-R2) blade array

RL Radial slot outlet, square (RL-Q2) or circular (RL-R2) blade array by Krantz

blue = cool supply air orange = warm air

Move through the air · click or hold for a swirl burstDrag the diffuser to rotate · tap beside it for a swirl burst

Radial slots with blades whose shape was revised with CFD. The same face works flush in the ceiling and free-hanging. (DS 4186 E p. 2–3)

RL Radial slot outlet, square (RL-Q2) or circular (RL-R2) blade array by Krantz
RLRadial mixing · ceiling
Max. ΔT heating
+10 K up to 3 m, +5 K above thatp. 2
Source · DS 4186 EKrantz, Radial slot outlet with square blade array RL-Q2 / circular blade array RL-R2, DS 4186 E 02.2019

Stylised view, not a measurement

Technical data ↓

Air principle

From outlet to occupied zone.

At the outlet

Blades in radially arranged slots send the air horizontally out of the face. (DS 4186 E p. 2–3)

In the room

Highly inductive radial jets for turbulent mixing. Mounted flush, the Coanda effect holds the jet to the ceiling. (DS 4186 E p. 3)

Construction

A square face with blades, a plenum box with side spigot, an optional damper and lip seal, and a central fixing. The element can be removed from below. (DS 4186 E p. 2)

Smoke test

Airflow in the Krantz lab.

A real smoke test in the Krantz flow laboratory: this is how air leaves the RL.

RLVideo: Krantz Komponenten · Real smoke test in the laboratory

Technical data RL

Discharge height
2.5 – 4.5 mp. 2
Max. ΔT cooling
−12 K flushp. 2
Max. volume flow (square blades)
280p. 2

Krantz Components, Radial slot outlet RL-Q2 / RL-R2, DS 4186 E 02.2019.

Page numbers are PDF pages of the data sheet.

Download documents

Request CAD/BIM

We will send you the available CAD or BIM files for the RL, or call you to hear exactly what you need.

We use your details only to handle this request and do not store them on the website. More in our privacy statement.

Air

Specifications of the RL with the source of each value · Air
PropertyValue · Source
Air distribution turbulent mixing ventilation, horizontal radial DS 4186 E p. 3
Max. volume flow (square blades) 280 · 430 · 670 · 1,000 m³/h for size 300 · 400 · 500 · 600/625 p. 2
Min. volume flow square 61 / 79 / 165 / 240 m³/h (flush with ceiling) or 100 / 150 / 190 / 360 m³/h (freely suspended) for size 300 / 400 / 500 / 600; circular 47 / 76 / 130 / 195 and 90 / 130 / 220 / 300 m³/h respectively table 1, p. 2
Max. ΔT cooling −12 K flush with ceiling; −10 K free-hanging p. 2
Max. ΔT heating +10 K up to 3 m; +5 K above p. 2
Discharge height 2.5 – 4.5 m (sizes 300 and 400); 2.7 – 4.5 m (sizes 500 and 600) p. 2
Discharge pattern 4-, 3- or 2-way by closing segments p. 4
Extract also as extract outlet, with or without blades p. 4
Sound example size 500, 450 m³/h: approx. 33 dB(A), 25 Pa; further in table 5 p. 7
Penetration depth not given as a figure

Design

Specifications of the RL with the source of each value · Design
PropertyValue · Source
Sizes (face) 295 · 395 · 495 · 595 · 620 mm for size 300 · 400 · 500 · 600 · 625; size 800 on request p. 11
Material face galvanised, powder-coated steel (RAL 9010); blades polycarbonate PC-GF 10, self-coloured black (≈ RAL 9005) or white; box galvanised steel p. 12
Connection plenum box with side spigot, with or without lip seal; optional damper, adjustable from the room p. 2

Versions and sizes

Four sizes, two blade patterns.

300 · 400 · 500 · 600 · 625 (DS 4186 E p. 11) (600 and 625 are one size with two face dimensions)

Blade array

square (RL-Q2) or circular (RL-R2) (p. 4)

Finish

face RAL 9010; blades black or white (p. 12)

In the ceiling

flush or free-hanging, with the same face (p. 2–3)

Applications

Where it belongs.

Supply and extract in commercial rooms. The worked examples cover an open-plan office and a department store (DS 4186 E p. 7).

When not: For a circular face, look at the RL-C (Ø 375 – 750 mm, DS 4121 E p. 2). For the least visible outlet, the OC-Q fits (perforated plate, DS 4136 p. 2).

Related in the collection

Same family, a different character.

TypeWhat it isEssenceSource
RL-CRadial slot outlet with circular faceØ 375 · 470 · 600 · 750 mm; 79 – 1,150 m³/hDS 4121 E p. 2
RA-NRadial swirl diffuser, circular or squaretwelve star-shaped vanes; 2.2 – 4.5 mDS 4012 E p. 2–3, p. 12
OC-QOpticleanperforated ceiling tile; room height 2.5 – 4.5 mDS 4136 p. 2

Video call with Pia

Tell Pia about your space.

Pia is Peek's digital host. Describe your hall or building, and she will show you the Krantz components that fit.

I'm Pia. Shall I show you around?

Pia is an AI avatar, not a person.

with sound and microphone

Your voice and the conversation go via Runway in the United States, where privacy protection is weaker than in the EU; we do not yet have a data processing agreement with them. By clicking the start button you give your explicit consent to this (see the privacy statement).

Not live. Pia only starts when you click.

Prefer a call? Leave your name and number and we'll call you back. Or chat with Pia using the button at the bottom right.

Or call us: +31 (0)73 820 02 88

Video call with Pia

What do you think of the new site?

Your answer helps us improve the site.

Your rating

1 = needs a lot of work, 5 = very good

We receive your rating, your text, the page you were on and, only if you fill it in, your email address, by email at Peek. More in the privacy statement.