Greenhouse fan 81140 series

farm buildingfor livestock buildingsextraction

Box – type Exhaust Fan: Your Ideal Ventilation Solution The Box Exhaust Fan provides professional-grade air exchange for livestock buildings, greenhouse operations, and commercial farming facilities. Engineered for continuous duty, these agricultural exhaust fans move between 21,000-40,500 m³/h depending on model size. The heavy-gauge zinc coating (275g/m²) offers superior protection against ammonia corrosion in poultry houses and swine facilities. Heavy-Duty Box Exhaust Fan for Agricultural Ventilation When it comes to ventilation in livestock farming and greenhouse environments, the Box – type Exhaust Fan stands out as a reliable choice. This fan is specifically engineered to meet the ventilation needs of these specialized settings, ensuring a fresh and healthy atmosphere. Its unique design and robust construction make it a top-notch option for those seeking efficient air-exchange solutions. Product Overview Our Box – type Exhaust Fan is crafted with precision. The outer frame is manufactured using advanced CNC equipment processing technology, guaranteeing high quality and durability. The distinctive push–pull opening structure enables the shutters to open and close smoothly, facilitating seamless ventilation control. Technical Specifications - Product No.: 811405, 811407 - Blade Diameter: 1270 mm (50″), 910 mm (36″) - Blade Speed: 440 rpm, 650 rpm - Motor Speed: 1400 rpm - Airflow: 40500 m³/h, 21000 m³/h - Noise: ≤70 dB - Power: 1100 W, 550 W - Voltage: 380 V - Height: 1380 mm, 1000 mm - Width: 1380 mm, 1000 mm - Depth: 450 mm - Frame: 275g/m² galvanized steel - Blades: One-piece stamped stainless steel - Opening Device: High-strength nylon - Carrying Handle: Recessed design Key Features - Corrosion–Resistant Frame: The outer frame of the fan is made from 275–gram galvanized layer steel plate. This material offers excellent corrosion resistance, significantly extending the fan’s service life. - High–Quality Blades: The fan blades are formed by one–piece stamping of high–quality stainless steel. They are not only rust–proof but also aesthetically pleasing. - Sturdy Opening Device: The push–pull opening device is processed from high–strength nylon, ensuring high strength and long–lasting durability. - Convenient Handling Design: The recessed carrying handle design makes the loading, unloading, and transportation of the fan extremely convenient. Installation Process Mount the unit vertically on walls or ventilation openings using corrosion-resistant fasteners. Maintain 50cm clearance from obstructions for optimal performance. The symmetrical frame allows horizontal or vertical mounting. Connect to three-phase power following local electrical codes. Test louver operation before final commissioning. Maintenance Guidelines Wipe down blades seasonally with non-abrasive cleaners. Inspect nylon slides biannually for smooth movement. Tighten mounting bolts during deep cleaning periods. No lubrication required for stainless steel components. Replace louver seals every 3-5 years depending on usage intensity.