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PS/RWR-FCSA (RAL9016) • Square swirl diffusers with fixed curved blades for suspended ceilings

Swirl diffusers
Square
Steel
White, RAL 9016
Fixed curved blades

Accessories

REV-B • Square plenum boxes REV-B ISO • Square insulated plenum boxes RER-B • Circular plenum box RER-B ISO • Insulated circular plenumbox CRC • Circular regulating valves for plenum boxes PPS-P • Polystyrene plenum box PPS-APD • Duct connections for insulated PPS plenum box & plate PPS-CRC • Regulating valve for PPS-APD PPS-H • Galvanized central hanger for PPS-P plenum PPS-MB • Central mounting bar for PPS-P

Datasheet

Swirl ceiling diffusers with high induction rate, consisting of a square plate for for suspended ceilings with multiple fixed 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

Standard colour white, RAL 9016
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

Square plenum box, type REV-B
Square insulated plenum box, type REV-B ISO
Circular plenum box, type RER-B
Insulated circular plenum box, type RER-B ISO
Regulating valve for plenum box,type CRC
Polystyrene plenum box, type PPS-P with duct connection PPS-APD and mounting bar PPS-MB

Text for tender

The air supply ceiling diffusers are square with a circular arranged swirl with fixed curved blades. They are made of a steel powdercoated frontplate in white finish RAL 9016. The diffusers are standard delivered with galvanized steel plenumbox equipped with perforated plate and damper in the side entry spigot. The diffuser is centrally screw mounted.
Cairox type PS/RWR-FCSA + RER-B(ISO) + CRC

Order example

PS/RWR-FCSA, 400 + RER-B 400 + CRC 200

Explanation

PS/RWR-FCSA = Diffuser type

400 = Diffuser size

Accessories

RER-B = Plenum box type

400 = Size plenum box

CRC = Regulating valve for plenum box
200 = Plenum box connection diameter 200

Dimensions

	D [mm]	D1 [mm]	D2 [mm]	D3 [mm]	#Blades
PS/RWR-FCSA 300	238	100	236	596	16
PS/RWR-FCSA 400	338	150	336	596	22
PS/RWR-FCSA 500	438	150	436	596	24

Quick selection

PS/RWR-FCSA				300			400			500
Q	Ak			0.023			0.03			0.0465
	B			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
	Vz	H=	3.2	0.41	0.33	0.28	0.35	0.29	0.25	0.25	0.21	0.18
		H=	3.8	0.33	0.28	0.24	0.29	0.25	0.22	0.21	0.18	0.17
	Vk			3.6			2.8			1.8
	X0,25			3.7			3.2			1.9
	Ps			67			19			5
	Lw(A)			47			30			<20
400		H=	2.7				0.56	0.44	0.37	0.38	0.31	0.26
	Vz	H=	3.2				0.46	0.38	0.33	0.32	0.27	0.24
		H=	3.8				0.38	0.33	0.29	0.27	0.24	0.21
	Vk						3.7			2.4
	X0,25						4.7			2.9
	Ps						33			9
	Lw(A)						39			21
500		H=	2.7				0.69	0.54	0.46	0.46	0.38	0.32
	Vz	H=	3.2				0.56	0.47	0.41	0.39	0.33	0.29
		H=	3.8				0.47	0.41	0.36	0.33	0.29	0.26
	Vk						4.6			3
	X0,25						6.4			4
	Ps						51			14
	Lw(A)						45			28
600		H=	2.7							0.54	0.44	0.38
	Vz	H=	3.2							0.45	0.39	0.34
		H=	3.8							0.39	0.34	0.31
	Vk									3.6
	X0,25									5.2
	Ps									20
	Lw(A)									34
800		H=	2.7							0.7	0.57	0.49
	Vz	H=	3.2							0.59	0.5	0.44
		H=	3.8							0.5	0.44	0.39
	Vk									4.8
	X0,25									7.9
	Ps									35
	Lw(A)									43

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

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I	Fans & ventilation systems

J	Air handling, air conditioning and heatpumps


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