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OF23-880 Pneumatic Fan

Used for ventilation and exhaust in underground mining, shipyards, refineries, and the petrochemical industry. Suitable for extraction-type local ventilation in coal mines with high gas concentrations, ventilation and air exchange in oil depots and ship holds with high oil and gas content, as well as localized ventilation in metallurgy, mining, and tunnel engineering.

Features

Operates based on the Venturi principle for low energy consumption; available in aluminum alloy and stainless steel housings
The OF25 series features a honeycomb-type fixed gas diluter with no motor, using compressed airflow through a honeycomb structure to convert fluid energy into mechanical motion, driving the blades to create axial airflow
Equipped with an air motor offering high explosion-proof performance
Compact and lightweight design for ease of use

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Model	Type	Material	Flow rate	Working pressure	Air consumption	Free air diameter	Air inlet	Noise level	Weight
Model			m³/min	Mpa	m³/min	mm	In	dB(A)	kg
OF22-500	Portable	Al-alloy	50	0.4-0.6	3.5	150	1/2	95	5
OF22-880	Portable	Al-alloy	88	0.4-0.6	8.5	250	3/4	98	8
OF23-520	Portable	SS	52	0.4-0.6	3.5	154	1/2	95	5
OF23-880	Portable	SS	88	0.4-0.6	8.5	250	3/4	98	12
OF24-060	Vertical	Al-alloy	60	0.4-0.6	1.2	300	3/4	85	13.5
OF25-190	Fixed	Al-alloy	190	0.4-0.6	2.0	300	1	92	32
OF25-260	Fixed	Al-alloy	260	0.4-0.6	2.7	500	1	90	46
OF25-350	Fixed	Al-alloy	350	0.4-0.6	3.8	600	1	96	58

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