PRN-GD (RAL9016) • Round ceiling diffusers

Circular conical diffusers
Aluminium
White, RAL 9016

Accessories

RD • Radial Damper for PRN-GD

Datasheet

Round ceiling diffusers with fixed diffusion rings

Application

Used for air supply and exhaust in ventilation and air conditioning systems.

Material

Aluminium RAL 9016

Colour

White, RAL 9010

Composition

Fixed diffusion rings

Mounting

Fixing directly on the collar

Accessories

Plenum box type RD
Plenum box type RER

Text for tender

The circular ceiling diffusers have fixed diffusion blades. They are made of aluminium with white powder coating finish RAL 9016 and supplied with a volume control damper in the plenumbox.
ATC Type PRN-GD + RER + RD

Other available products

Diffuser in plate 595x595mm type PS/PRN available upon request

Order example

PRN-GD, 200 + RER-LB + CRC 160

Explanation

PRN = Diffuser type

Accessories

PRN= Plenumbox

200 = Diffuser size

PER = Plenum box type

RD = Plenum box type

Dimensions

Модел	ØD [mm]	ØC [mm]	H [mm]
150	145	299	65
200	197	348	65
250	245	398	65
300	296	450	65
350	350	499	65
400	395	550	65
450	445	604	65
500	495	645	65

Selection

D	150		200		250		315		355		400		450		500
Aeff [m²^]	0.009		0.014		0.021		0.031		0.039		0.048		0.0691		0.0843
Q [m³^/h]
100	3	1.10
100	4	<20
120	3.60	1.30	2.40	1.10					Легенда
120	5	<20	2	<20					Veff [m/s]	L 0.25 [m]
140	4.20	1.50	2.80	1.20	1.90	1			Ps [Pa]	Lw [dB(A)]
140	7	<20	3	<20	1	<20
160	4.80	1.70	3.20	1.40	2.20	1.10
160	9	<20	4	<20	2	<20
180	5.40	1.90	3.60	1.60	2.40	1.30	1.60	1
180	12	21	5	<20	2	<20	1	<20
200	6	2.10	4	1.80	2.70	1.40	1.80	1.20	1.40	1
200	14	25	6	<20	3	<20	1	<20	1	<20
250	7.50	2.70	5	2.20	3.40	1.80	2.20	1.50	1.80	1.30	1.50	1.20
250	22	32	10	22	4	<20	2	<20	1	<20	1	<20
300	9.10	3.20	6	2.60	4	2.10	2.70	1.70	2.20	1.60	1.70	1.40
300	32	39	14	29	6	<20	3	<20	2	<20	1	<20
350	10.60	3.80	7	3.10	4.70	2.50	3.10	2	2.50	1.80	2	1.60
350	44	44	19	34	9	24	4	<20	2	<20	2	<20
400	12.10	4.30	8.10	3.50	5.40	2.90	3.60	2.30	2.90	2.10	2.30	1.90
400	57	49	25	39	11	29	5	<20	3	<20	2	<20
450			9.10	3.90	6.10	3.20	4	2.60	3.20	2.40	2.60	2.10
450			32	43	14	33	6	23	4	<20	3	<20
500			10.10	4.40	6.70	3.60	4.50	2.90	3.60	2.60	2.90	2.40
500			40	47	18	37	8	27	5	22	3	<20
600			12.10	5.30	8.10	4.30	5.30	3.50	4.30	3.10	3.50	2.80
600			57	53	26	43	11	33	7	28	5	23
700					9.40	5	6.20	4.10	5	3.70	4.10	3.30
700					35	49	15	38	10	33	6	28
800							7.10	4.70	5.80	4.20	4.70	3.80	3.22	2.7
800							20	43	13	38	8	33	6	27
900							8	5.20	6.50	4.70	5.20	4.20	3.62	3.1	2.96	2.6
900							25	47	16	42	11	37	8	31	5	28
1000		Данните са измерени при:					8.90	5.80	7.20	5.20	5.80	4.70	4.02	3.4	3.29	2.9
1000		Aeff = светло сечение					31	51	20	46	13	40	9	34	7	30
1200		Veff = ефективна скорост							8.60	6.30	7	5.70	4.82	4.1	3.95	3.5
1200		L 0.25 = далекобойност в m при v = 0.25 m/s							29	52	19	47	13	40	10	34
1400		Ps = пад на налягане в Pa									8.20	6.60	5.63	4.7	4.61	4.1
1400		Lw = звукова мощност в dB(A)									26	52	18	44	13	37
1600		Q =дебит в m^3/h									9.30	7.50	6.43	5.4	5.27	4.7
1600											34	57	24	48	17	39
1900													7.64	6.5	6.26	5.6
1900													34	51	24	42
2200															7.25	6.5
2200															32	43

Symbols and specifications

Values at ceiling height of 3 m
Temperature difference Dt = 0K
Veff = Effective velocity in m/s
Lth 0.25 = horizontal throw in m at vt = 0.25 m/s
Ps = Static pressure loss in Pa
Lw = Acoustic power in dB(A)
Qv = Air Volume in m³/h
160 to 400 = diffuser size

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	Introduction

A	Products 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

B	Valves & volume control dampers

C	Air duct systems

D	Air duct components and accessories

E	Fireproof products

F	Insulating products

G	Air filters

H	Kitchen ventilation

I	Fans & ventilation systems

J	Air handling, air conditioning and heatpumps