Counterweight Fans

Counterweight Exhaust Fan

Exhaust fan with counterweight-operated louvers.

Performance, dimensions, voltage and test conditions must be confirmed against the selected model datasheet and quotation.

Configuration: Provide installation dimensions, target airflow and site power supply for configuration review.
Delivery: Confirm lead time, packaging, installation support and spare parts before ordering.

Counterweight louversExhaust ventilationRoutine maintenance

Configuration

Performance, dimensions, voltage and test conditions must be confirmed against the selected model datasheet and quotation.

Model	Dimensions (cm)	Airflow (m³/h)	Reference area (m²)	Noise (dB)	Input power (W)	Rated voltage (V)
HL-300	30×30	8000	15–35	≤70	180	220
HL-400	40×40	9000	20–40	≤70	180	220
HL-500	50×50	10000	25–45	≤70	180	220
HL-600	60×60	20000	50–60	≤70	370	380
HL-700	70×70	21000	60–70	≤70	370	380
HL-800	80×80	22000	65–80	≤70	370	380
HL-900	90×90	27000	70–90	≤70	550	380
HL-1000	100×100	28000	80–90	≤70	550	380
HL-1100	110×110	30000	80–100	≤70	750	380
HL-1220	122×122	38000	100–130	≤70	1100	380
HL-1380	138×138	44000	180–260	≤70	1100	380
HL-1530	153×153	48000	200–300	≤70	1500	380
HL-1750	175×175	52000	280–360	≤70	1900	380

Technical documents & delivery

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Product: Counterweight Exhaust Fan

Counterweight Exhaust Fan