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RWR-FCSA (RAL9005) • Black circular swirl diffusers with fixed curved blades

Swirl diffusers
Circular
Steel
Black, RAL 9005
Fixed curved blades

Accessories

RER-B • Circular plenum box RER-B ISO • Insulated circular plenumbox CRC • Circular regulating valves for plenum boxes

Datasheet

Swirl ceiling diffusers with high induction rate, consisting of a circular plate with multiple fixed curved blades arranged in a circular pattern, to be equipped with galvanized steel plenum box

Brand

Cairox

Application

For air supply and exhaust in ventilation and air conditioning systems

Material

Steel

Colour

Black, RAL 9005
Other colours available upon request

Composition

Front plate made of powder coated steel
Central screw mounting

Mounting

Fixing by central screw in the crossbar of the plenum box.

Accessories

Circular plenum box, type RER-B
Insulated circular plenum box, type RER-B ISO
Regulating valve for plenum box, type CRC

Text for tender

The ceiling swirl diffusers are round with fixed, curved blades with high induction power and horizontal discharge. The front grilles and blades are made of steel. The diffusers are powder-coated black in RAL 9005. They are mounted in an insulated or non-insulated round plenum by means of a central concealed screw fixing. The galvanized steel plenums are provided with a perforated plate to obtain a homogeneous distribution over the grille and a flow regulator in the side connection.
Cairox type RWR-FCSA (RAL9005) + RER-B(ISO) + CRC

Order example

RWR-FCSA (RAL9005), 600 + RER-B 600 + CRC 250

Explanation

RWR-FCSA (RAL9005) = Diffuser type

600 = Diffuser size/swirl size

Accessories

RER-B = Type plenum box

600 = Size plenum box

CRC = Regulating valve for plenum box
250 = Plenum box connection diameter 250

Dimensions

	D [mm]	D1 [mm]	D2 [mm]	D3 [mm]	A	#Blades
RWR-FCSA 300	238	86	236	296	41	16
RWR-FCSA 400	338	140	336	396	41	22
RWR-FCSA 500	438	170	436	496	41	24
RWR-FSCA 600	538	170	536	596	22	24
RWR-FSCA 625*	538	170	536	621	22	24
* niet meer verkrijgbaar / n'est plus disponible / no longer available

Quick selection

RWR-FCSA				300			400			500			600			625*
Q	Ak			0.023			0.03			0.0465			0.07			0.07
	B			1.2	2.4	3.6	1.2	2.4	3.6	1.2	2.4	3.6	1.2	2.4	3.6	1.2	2.4	3.6
100		H=	2.7	0.17	0.13	0.11
	Vz	H=	3.2	0.14	0.11	0.09
		H=	3.8	0.11	0.09	0.08
	Vk			1.2
	X0,25			0.9
	Ps			7
	Lw(A)			<20
150		H=	2.7	0.26	0.2	0.16	0.23	0.18	0.15
	Vz	H=	3.2	0.2	0.17	0.14	0.18	0.15	0.13
		H=	3.8	0.17	0.14	0.12	0.15	0.13	0.12
	Vk			1.8			1.4
	X0,25			1.6			1.3
	Ps			17			5
	Lw(A)			26			<20
200		H=	2.7	0.34	0.26	0.21	0.29	0.23	0.2	0.21	0.17	0.14
	Vz	H=	3.2	0.27	0.22	0.19	0.24	0.2	0.17	0.17	0.15	0.13
		H=	3.8	0.22	0.19	0.16	0.2	0.17	0.15	0.15	0.13	0.12
	Vk			2.4			1.9			1.2
	X0,25			2.2			1.9			1.1
	Ps			30			8			2
	Lw(A)			34			<20			<20
250		H=	2.7	0.43	0.33	0.27	0.36	0.29	0.24	0.25	0.2	0.17
	Vz	H=	3.2	0.34	0.28	0.23	0.3	0.25	0.21	0.21	0.18	0.16
		H=	3.8	0.28	0.23	0.2	0.25	0.21	0.19	0.18	0.16	0.14
	Vk			3			2.3			1.5
	X0,25			2.9			2.5			1.5
	Ps			47			13			3
	Lw(A)			41			24			<20
300		H=	2.7	0.51	0.39	0.32	0.43	0.34	0.28	0.29	0.24	0.2	0.22	0.17	0.15	0.22	0.17	0.15
	Vz	H=	3.2	0.41	0.33	0.28	0.35	0.29	0.25	0.25	0.21	0.18	0.18	0.15	0.13	0.18	0.15	0.13
		H=	3.8	0.33	0.28	0.24	0.29	0.25	0.22	0.21	0.18	0.17	0.15	0.13	0.12	0.15	0.13	0.12
	Vk			3.6			2.8			1.8			1.2			1.2
	X0,25			3.7			3.2			1.9			1.2			1.2
	Ps			67			19			5			2			2
	Lw(A)			47			30			<20			<20			<20
400		H=	2.7				0.56	0.44	0.37	0.38	0.31	0.26	0.29	0.24	0.2	0.29	0.24	0.2
	Vz	H=	3.2				0.46	0.38	0.33	0.32	0.27	0.24	0.24	0.2	0.18	0.24	0.2	0.18
		H=	3.8				0.38	0.33	0.29	0.27	0.24	0.21	0.2	0.18	0.16	0.2	0.18	0.16
	Vk						3.7			2.4			1.6			1.6
	X0,25						4.7			2.9			1.9			1.9
	Ps						33			9			4			4
	Lw(A)						39			21			<20			<20
500		H=	2.7				0.69	0.54	0.46	0.46	0.38	0.32	0.37	0.3	0.25	0.37	0.3	0.25
	Vz	H=	3.2				0.56	0.47	0.41	0.39	0.33	0.29	0.31	0.26	0.22	0.31	0.26	0.22
		H=	3.8				0.47	0.41	0.36	0.33	0.29	0.26	0.26	0.22	0.2	0.26	0.22	0.2
	Vk						4.6			3			2			2
	X0,25						6.4			4			2.7			2.7
	Ps						51			14			6			6
	Lw(A)						45			28			<20			<20
600		H=	2.7							0.54	0.44	0.38	0.45	0.36	0.3	0.45	0.36	0.3
	Vz	H=	3.2							0.45	0.39	0.34	0.37	0.31	0.27	0.37	0.31	0.27
		H=	3.8							0.39	0.34	0.31	0.31	0.27	0.24	0.31	0.27	0.24
	Vk									3.6			2.4			2.4
	X0,25									5.2			3.6			3.6
	Ps									20			9			9
	Lw(A)									34			23			23
800		H=	2.7							0.7	0.57	0.49	0.61	0.48	0.41	0.61	0.48	0.41
	Vz	H=	3.2							0.59	0.5	0.44	0.5	0.42	0.36	0.5	0.42	0.36
		H=	3.8							0.5	0.44	0.39	0.42	0.36	0.33	0.42	0.36	0.33
	Vk									4.8			3.2			3.2
	X0,25									7.9			5.6			5.6
	Ps									35			15			15
	Lw(A)									43			32			32
1000		H=	2.7										0.76	0.61	0.52	0.76	0.61	0.52
	Vz	H=	3.2										0.63	0.53	0.46	0.63	0.53	0.46
		H=	3.8										0.53	0.46	0.41	0.53	0.46	0.41
	Vk												4			4
	X0,25												8			8
	Ps												24			24
	Lw(A)												39			39

Symbols and specifications

Q = Air volume in m³/h
Ak = Effective surface (free area) in m²
B = Distance between the diffusers in m
H = Installation height of the diffusers in m
Vz = Maximum velocity at the occupied zone according to distance between the diffusers and installation height in m/s
Vk = Average effective velocity through the diffuser in m/s
X0.25 = Throw length in m at an end velocity Vt of 0,25m/s
Ps = Static pressure loss given in Pa
Lw(A) = Acoustic power in dB(A)

The throw X0.25 is given at an end velocity of 0.25m/s for a smooth ceiling without any obstacles.
The values are given for isothermal supply air. Throw distances for cooling conditions at -11K can be calculated by dividing the X0.25 values with factor 1.1. For heating purposes at Dt of +11K a multiplier of 1.1 should be applied to the given X0.25 value.
In order to achieve a high comfort level, selections can be made according to the maximal velocity at the occupied zone Vz. These values are given at distances between diffusers B and installation heights H. Velocities Vz lower than, or equal to 0,25m/s at the occupied zone are advised.
The pressure losses Ps are given for diffusers without damper of with fully opened damper.
The acoustic power values Lw(A) are given for diffusers without damper of with fully opened damper without room attenuation. Acoustic powers below 20dB(A) are mentioned as "<20" in the tables.
For all special requirements, please contact our engineering office

Placement instruction

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	Introduction

A	Products for air diffusion

	A00	Basic principles for air diffusion

	A01	Wall and floor grilles

	A02	Grilles for galva ducts

	A03	Door and transfer grilles

	A04	Ceiling diffusers and grilles

	A05	Filter and return air grilles

	A06	Air valves

	A07	External louvres

	A08	Backdraught shutters

	A09	Roof caps

	A10	Grilles for domestic ventilation

	A11	Perforated induction ducts

	A12	Air displacement units

B	Valves & volume control dampers

C	Air duct systems

D	Air duct components and accessories

E	Fireproof products

F	Insulating products

G	Air filters

I	Fans & ventilation systems

J	Air handling, air conditioning and heatpumps


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