VENTS VCUN 250x127-5,5-2

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Maximum capacity - 4820 m³/h.

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Description

APPLICATIONS
Supply and exhaust ventilation systems for various premises.	The fans can be used as components for ventilation and air conditioning units and are suitable for outdoor mounting.
DESIGN
The fan casing is made of steel with polymeric coating. VCUN fan can be supplied both with the clockwise or counterclockwise rotation impeller.	Each modification has few scroll positions to enable connection to the air ducts at any angle with 45° pitch distance.
MOTOR
The impeller with galvanized forward-curved blades is mounted directly on the 2-, 4-, 6- or 8-pole three-phase asynchronous motor shaft. Ball bearings in the motor ensure long service life.	For precise features, safe operation and low noise, each turbine is dynamically balanced while assembly. Motor protection rating IP 54.
SPEED CONTROL
Both smooth or step speed control is performed by means of the autotransformer or frequency controller.	Several fans can be connected to one controller in case the total power and operating current do not exceed the rated controller values.
MOUNTING
The fan is suitable for installation in ventilating chambers, air conditioning units or can be used separately. In case of independent operation it can be connected to air ducts by means of both exhaust and intake branch pipes or exhaust branch pipe only.	The exhaust and inlet branch pipes have rectangular or circular sections accordingly. Power is supplied by means of external terminals.
SELECTION TABLE FOR ACCESSORIES:

Type	Rubber anti-vibration mounts	Spring-loaded anti-vibration mounts	Flange	Flexible connector	Grille
VCUN 140х74-0,25-4	VVCr 8	VVCp 8	FVC 140	VVG 140 VVG-VCUN 92х95	RVC 140
VCUN 140х74-0,37-2
VCUN 160x74-0,55-4			FVC 160	VVG 160 VVG-VCUN 106х104	RVC 160
VCUN 160х74-0,75-2
VCUN 180х74-0,55-4			FVC 180	VVG 180 VVG-VCUN 120х114	RVC 180
VCUN 180х74-1,1-2
VCUN 200х93-0,55-4			FVC 200	VVG 200 VVG-VCUN 134х129	RVC 200
VCUN 200х93-1,1-2
VCUN 225х103-1,1-4			FVC 225	VVG 225 VVG-VCUN 151х141	RVC 225
VCUN 225х103-2,2-2
VCUN 240x114-2,2-4	VVCr 16	VVCp 16	FVC 240	VVG 240 VVG-VCUN 161х156	RVC 240
VCUN 240х114-3,0-2
VCUN 250х127-1,5-6			FVC 250	VVG 250 VVG-VCUN 168х166	RVC 250
VCUN 250х127-2,2-4
VCUN 250х127-5,5-2
VCUN 280х127-1,5-6			FVC 280	VVG 280 VVG-VCUN 189х196	RVC 280
VCUN 280х127-2,2-4
VCUN 280х127-5,5-2
VCUN 315х143-2,2-6	VVCr 26	VVCp 26	FVC 315	VVG 315 VVG-VCUN 213х216	RVC 315
VCUN 315х143-4,0-4
VCUN 355х143-2,2-6			FVC 355	VVG 355 VVG-VCUN 241х214	RVC 355
VCUN 355х143-4,0-4
VCUN 400х183-1,5-8	VVCr 35	VVCp 35	FVC 400	VVG 400 VVG-VCUN 272х268 VVG-VCUN 272х289	RVC 400
VCUN 400х183-2,2-6
VCUN 400х183-5,5-4
VCUN 450х203-3,0-8	VVCr 50	VVCp 50	FVC 450	VVG 450 VVG-VCUN 306х315	RVC 450
VCUN 450х203-4,0-6
VCUN 450х203-11,0-4
VCUN 500х229-5,5-8	VVCr 75	VVCp 75	FVC 500	VVG 500 VVG-VCUN 341х353	RVC 500
VCUN 500х229-7,5-6
VCUN 500х229-11,0-4

Scroll orientation (view on the intake side)

Right scroll orientation

Left scroll orientation

FVC-VCUN Flange designed to connect round ducts to VCUN fans.	RVC-VCUN Grille designed for fan protection against foreign objects.	Anti-vibration mounts VVCr and VVCp Designed for noise reduction and vibration dampering produced by the fans. Provide dynamic loading decrease and increase reliability and durability of ventilation equipment.

		Anti-vibration mount VVCr	Anti-vibration mount VVCp


VENTS VCUN fan catering ventilation example

Characteristics

Parameter	VCUN 250x127-5,5-2	Measurement unit
Engine Type	380В / 50Гц	-
Voltage	400	V
Frequency	50	Hz
Sound pressure level at 3 m distance	81	dBА
Maximum transported air temperature		°С
Protection rating	IP 54	-
Weight	40	kg
Number of poles	2	-
Impeller diameter	250	mm
Impeller width	127	mm

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Dimensions

Characteristics

Additional diagrams

Sound-power level				Octave-frequency band [Hz]
		Hz		General		63		125		250		500		1000		2000		4000		8000
L_wA to environment		dBA		78		57		71		79		84		85		89		83		81

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