DFM 9/4

LOW PRESSURE SIMPLE INLET FORWARD CURVED IMPELLER WITH FREE SHAFT

MANUFACTURING FEATURES:

• Fully made of galvanised steel sheet.
• Simple inlet forward curved impeller in all models.
• Transmission shaft with anticorrosion treatment.
DFM:Standard bearing support
DFMR: reinforced bearing support

APPLICATIONS:

Designed for assembly in equipment:
• Ventilation boxes and air handling units.
• Centrifugal heaters.
• Industrial and professional kitchen hoods.
• Maximum working temperature: carried air: 130ºC, ambient: 60ºC.

Fan

Max flow

2810 m³/h

Weight

10 Kg

DFM 9/4

Design point

Service point

Degrees

RPM

Temp. max. (ºC)

Q (m³/h)

Ps (Pa)

Pd (Pa)

Pt (Pa)

Speed air (m/s)

Security coefficient

Mechanical total efficiency (%)

Total efficiency (%)

Pw_mec

Pw_mec (kW)

Pw_abs (kW) 1.2 Kg/m³

Pw_recom (kW)

Alternative point

DFM 9/4

A	B	C	D	E	F	G	H	I	J	K	L	Ød	ØN	X	Y	Z
355	404	217	380	265	169	155	218	25	297	40	24	20	248	280	327	193

DFM 9/4

Model

INT 25 3P A

Information

SAFETY SWITCH

MANUFACTURING FEATURES

• Safety start-stop switches according to IEC 60947-1 and IEC 60947-3.
• IP65 and always equipped an auxiliary contact.
• Useful for switching off the current before handling the fan.

*Máx. thermal current air (A)

DFM 9/4

Nº	Family	Name	Qty
1	TURBINE	BST9/4 (RD90/RD270)	x1
2	SHAFT	BST 9/4	x1

DFM 9/4

Operation & maintenance Manual

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DFM 9/4

Fan

DFM 9/4

DFM 9/4

DFM 9/4

DFM 9/4