ONG (ONV) 400x250

Description
Characteristics
Downloads
Dimensions
Additional diagrams
Legend

Description

APPLICATION	DESIGN
Supply and exhaust ventilation, heating and air conditioning networks in industrial, commercial and domestic premises.	Made of high-quality extruded aluminium. Polymer or anodized grille coating ensures weather-resistant properties. Non-standard sizes may be ordered.
MODIFICATION
Available modifications with an air flow regulator (R) and an adapter (A) for connection to air ducts. Available modifications with versatile fixing (u) or with special springs (p) for fast mounting.


ONG - horizontal vane location	ONV - vertical vane location

Air flow distribution options


straight (0°) ONG1, ONV1	single-sided (15°) ONG2, ONV2	double-sided (2х15°) ONG3, ONV3

Characteristics

Parameter	ONG (ONV) 400x250	Measurement unit
Air pass	0.055	mm²
Connected air duct size	400х250	mm
Adjustment	nonadjustable	-
Form	rectangular	-
Material	aluminium	-

Files archieve

Downloads

Dimensions

Characteristics

Parameter	Value	Measurement unit
L	400	mm
H	250	mm

Additional diagrams

Calculation formula		Correction factor K
L_WA = L_WAO x K		S_ap[m²]	0.005	0.01	0.02	0.03	0.05	0.07	0.1
L_WA = L_WAO x K		K [dB(A)]	-13	-9	-6	-4.5	-3	-1.5	0

Designation:

ΔP - pressure loss [Pa];
L_WA - sound power level [dB(A)];
L_WAO - sound power level for air pass 0.1 m² [dB(A)];
K_L - correction factor for sound power level depending on air pass [dB(A)];
A_K - air area [m²];
V - rated speed [m/s].

Legend

VENTS ONG (ONV) 400x250