Agricultural Ventilation Fan Motor

The Agricultural Ventilation Fan Motor provides reliable driving force for wall-mounted exhaust fans, tunnel ventilation, and air circulation units in poultry houses, livestock barns, and agricultural greenhouses. Featuring a Totally Enclosed Fan Cooled (TEFC) structure, Class F insulation, and heavy-duty shaft seals, these motors ensure stable 24/7 continuous operation under harsh ambient conditions involving airborne dust, moisture, and corrosive vapors.

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Agricultural Ventilation Fan Motor for Environmental Control Systems

TEFC enclosure AC induction motors engineered for continuous duty in high-humidity and high-ammonia farming environments.

Product Overview

Key Features of Agricultural Ventilation Fan Motor

Anti-Corrosion Surface Treatment
Electrophoretic coating on cast iron or aluminum frames guards the motor structure against ammonia gas and acid precipitation.

Dual-Lip Oil Seals (IP55 / IP66)
Front and rear endshields equipped with rubber seals block moisture ingress during high-pressure water washdown routines.

Class F Insulation System
Vacuum Pressure Impregnated (VPI) pure copper windings allow continuous duty under high ambient temperatures with low temperature rise margins.

C3 Clearance Shielded Bearings
Pre-lubricated high-temperature grease bearings absorb axial and radial fan loads while maintaining quiet operation.

Thermal Overload Protection
Built-in automatic reset thermal switches prevent stator burnout caused by locked rotors or supply voltage fluctuations.

Technical Specifications

Parameter	Single-Phase Model	Three-Phase Model
Output Power	0.25 kW – 1.5 kW (0.33 HP – 2 HP)	0.37 kW – 5.5 kW (0.5 HP – 7.5 HP)
Frame Size	IEC 71 – 90 / NEMA 56	IEC 80 – 112 / NEMA 56 – 184T
Voltage / Frequency	115V / 230V, 50Hz / 60Hz	230V / 400V / 460V, 50Hz / 60Hz
Rated Speed	4-Pole (1400/1720 RPM)	4-Pole (1400/1720 RPM), 6-Pole (950/1150 RPM)
Protection Degree	IP55 / IP66	IP55 / IP66
Insulation / Duty	Class F, Continuous S1	Class F, Continuous S1
Cooling Method	IC411 (TEFC)	IC411 (TEFC)
Housing Material	Die-Cast Aluminum / Cast Iron	Die-Cast Aluminum / Cast Iron

Applications of Agricultural Ventilation Fan Motor

Poultry House Tunnel Exhaust Fans
Powers 36-inch to 57-inch wall-mounted cone fans to maintain regulated air speed and cooling across broiler and layer houses.

Livestock Barn Wall Ventilation
Drives sidewall intake and exhaust units operating in manure-rich atmospheres inside swine and dairy facilities.

Greenhouse Climate Control Systems
Drives air circulating equipment to eliminate thermal stratification and manage humidity levels for high-yield crop cultivation.

Agricultural Evaporative Cooling Units
Provides power to fans working directly alongside wet pad systems in extreme humidity conditions.

Why Choose Us

100% Cold-Rolled Silicon Steel
Stator and rotor cores utilize high-grade laminations to reduce iron losses and operating temperature during long duty cycles.

Automated Dynamic Rotor Balancing
Rotors undergo precision dynamic balancing to keep vibration levels under 1.5 mm/s, extending bearing operational life.

Rigorously Tested Stator Insulation
Every stator undergoes surge voltage, surge resistance, and high-potential insulation testing prior to assembly.

Consistent Factory Quality Controls
Standardized assembly workflows and direct engineering support enable reliable batch-to-batch mechanical and electrical stability.

Customization / OEM & ODM

Shaft Configuration: Stainless steel SUS304 or SUS316 options, custom keyways, flat cuts, extended lengths, and specialized drive end diameters.

Mounting Styles: Standard B3 foot mount, B5 flange mount, B14 face mount, or customized rod/ring mounts for fan housing integration.

Electrical Modifications: Customized lead wire lengths, waterproof cable gland fittings, dual-voltage tapped windings, and variable frequency speed matching.

Finishing & Packaging: Custom color powder coating, laser-engraved stainless steel nameplates, and export-grade reinforced carton packaging.

FAQ

Q: What ingress protection rating is required for poultry barn fan motors?

A: An IP55 rating prevents dust accumulation and water splashing, while IP66 is selected for facilities requiring frequent high-pressure washdown cleanings.

Q: How do these motors handle volatile supply voltages in rural areas?

A: Windings are designed with a wide voltage tolerance (+/- 10%) and Class F insulation materials, enabling continuous operation during regional line voltage drops.

Q: Are these ventilation motors suitable for speed regulation?

A: Three-phase models operate seamlessly with variable frequency drives, while single-phase options can be configured for voltage-triac speed controllers.

Q: Is stainless steel shaft material available for aggressive environments?

A: Stainless steel SUS304 and SUS316 shafts are available upon request to eliminate corrosion at the oil seal contact surfaces.

Q: What type of thermal protection is integrated into the windings?

A: Motors incorporate internal normally-closed thermal switches or PTC thermistors that disconnect power or alert controllers before winding temperatures reach critical limits.

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