Krantz Components

Radial mixing · Jetseen from below

RA-V2

Adjustable radial swirl diffuser with core tube

RA-V2 Adjustable radial swirl diffuser with core tube 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

For cooling it discharges horizontally and radially; for heating a damper in the core tube opens a supporting jet that turns the flow vertical, optionally via a thermostatic element without wiring.

RA-V2 Adjustable radial swirl diffuser with core tube by Krantz
RA-V2Radial mixing · ceiling
Max. ΔT cooling
−12 Kp. 2
Max. ΔT heating
+12 Kp. 2
Source · DS 4122 EKrantz, Adjustable radial outlet with core tube RA-V2, DS 4122 E 01.2014

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Technical data ↓

How the RA-V2 works.

For cooling it discharges horizontally and radially; for heating a damper in the core tube opens a supporting jet that turns the flow vertical, optionally via a thermostatic element without wiring.

Applications: commercial and industrial rooms with strongly varying heat loads and large heights (p. 2). Krantz references in the Netherlands: Amphion Theater, Doetinchem; De Nobel, Leiden; De Rotterdam

Krantz, Adjustable radial outlet with core tube RA-V2, DS 4122 E 01.2014.

Smoke test

Airflow in the Krantz lab.

A real smoke test in the Krantz flow laboratory: this is how air leaves the RA-V2.

RA-V2Video: Krantz Komponenten · Real smoke test in the laboratory

Technical data RA-V2

Discharge height
2.8 – 15 mp. 2
Max. ΔT cooling
−12 Kp. 2
Volume flow
400 – 16,000 m³/hp. 2

Krantz, Adjustable radial outlet with core tube RA-V2, DS 4122 E 01.2014.

Page numbers are PDF pages of the data sheet.

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Air

Specifications of the RA-V2 with the source of each value · Air
PropertyValue · Source
Volume flow 400 – 16,000 m³/h; smallest size 400 – 1,400 m³/h, largest 6,000 – 16,000 m³/h p. 2
Max. ΔT cooling −12 K p. 2
Max. ΔT heating +12 K p. 2
Discharge height 2.8 – 15 m depending on size and flow rate p. 2

Design

Specifications of the RA-V2 with the source of each value · Design
PropertyValue · Source
Sizes 8 sizes: DN 250, 315, 355, 400, 500, 630, 710, 900; square face only up to DN 400 p. 12
Materials and finish outlet powder-coated sheet steel; plenum box galvanised sheet steel p. 13
Connections directly on circular duct (EN 1506), optionally via cross beam, or low plenum box (up to DN 710; DN 900 on request) p. 4
Options and versions adjustment via self-acting thermostatic element (T1 20 – 28 °C, T2 16 – 28 °C), electric actuator (Siemens/Belimo) or manual; perforated plate for faster heating-up; volume flow damper; acoustic lining p. 12

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