China factory supply hot sale durable ventilation exhaust fan for greenhouse and poultry chicken farm

Drop Hammer Exhaust fan are widely used in Agriculture and industry ventilation and cooling. It is mainly used for animal husbandry, poultry house, livestock breeding, greenhouse, factory workshop, textile etc.

Main Features 1) Hot-dip galvanized plate adopt 275g/㎡ galvanized layer, not rust. 2) 95% of the parts are produced by ourselves, reducing the cost of processing ,sharing profits with customers, ensuring quality , utmost cost-effective globally 3) Complete CNC production line, the accuracy of assembling holes is 100%, easy to assemble, quality assured. 4) Wall-Mounting fan , easy installation and maintenance 5) Belt Drive, Big airflow

1. Material : Krupp 430 stainless steel, thickness 1.2mm
2. Diameter: 1270mm
Advantage:
Large air flow, no deformation, no fracture, no dust, attractive and durable.
Note:
Blade material also have galvanized sheet, aluminum alloy for option

1. Material: High strength aluminum-magnesium alloy by die-casting.
2. Blast-sanding treatment, eliminate internal stress to improve its own rigidity and stability
Advantage:
Light weight, Low vibration ,attractive appearance.

1.Material: High quality Nylon PA66
2.Guide Rod: 304 stainless steel with special material outside, high strength, no rust, reduce friction.
3.Rivet: 304 stainless steel , wear-resisting, no rust.
Advantage:
It can keep the shutters open at complete 90 degree to ensure the lowest air resistantce and biggest air volume.

1. Brand: Chinese famous motor, Siemens motor, ABB motor and WEG motor
2. Motor Protection Grade: IP55
3. Isulation Class: F grade
Advantage:
Motor voltage and frequency can be customized.
Chinese famous motor OEM by special design for fan, the first put in the phase lack protection device which would power off whenshortage of electricity.

1.Material: Aluminum Magnesium Alloy.
2. Type: Plug-in connection
Advantage:
Compare with the traditional welding connection , Our new type Aluminum magnesium alloy base has greatly reduced the friction
coefficient, fixed more firmly, avoided

Double-row bearing with special waterproof design.
Advantage:
High strength, low noise, free maintenance and long service life.