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ISO 9001:2015
RoHS
Official Technical Catalogue
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GLF Series Box Negative Pressure Axial Fan
MODEL SERIES: GLF-800 / GLF-1000 / GLF-1250 / GLF-1400
The GLF Series is a high-volume, low-speed negative pressure box fan widely used in modern greenhouses, poultry farms, and factory cooling systems with evaporative cooling pads. Features stainless steel blades and a centrifugal shutter-opening push-pull mechanism ensuring 100% full opening during operation.
Technical Specifications
Box Dimensions 800x800mm to 1380x1380mm
Air Volume 22,000 - 44,500 m³/h
Impeller Material Krupp 430 Stainless Steel (Punch Formed)
Shutter Mechanism Centrifugal Drop-Hammer / Push-Pull System
Drive Type Belt Driven with High-Strength V-Belt
Motor Power 0.55 kW - 1.1 kW (IP55, Class F)
Housing Galvanization 275 g/m² Hot-Dip Galvanized Zinc Layer
Engineering Highlights
- Centrifugal push-pull mechanism guaranteeing 90-degree full shutter opening with 0 air resistance
- Punch-formed stainless steel 430 blades dynamically balanced for smooth, quiet airflow
- Heavy 275g/m² hot-dip galvanized steel box frame providing 15+ years rust resistance
- Pairs seamlessly with evaporative wet cooling pad walls for rapid 5°C - 10°C temperature reduction
Recommended Applications
- Commercial Horticulture & Agriculture Greenhouses
- Poultry, Swine & Dairy Livestock Housing
- Textile, Garment & Plastic Molding Workshops
- Large Warehouses Requiring High Air Exchange Rates
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