HERDSPEC | Livestock Ventilation & FRP Exhaust Fan Manufacturer

Platform Base Model

57" EC Fiberglass Exhaust Fan

Designed for harsh livestock environments. This is our standard 57-inch testing platform featuring an SMC molded housing and high-efficiency permanent magnet motor. Ready for project-specific configuration.

Tested Airflow
69,034 m³/h
Static Pressure
@ 0 Pa
Base Power
2.2 kW
Wall Opening
1640 mm
* Data based on standard configuration (JBH57-2.2E-JH-50Hz). Actual performance varies by final specifications.
  • Factory-Direct OEM & ODM Customization
  • 100% Dynamic Balance & Run-Tested
  • Global Logistics & Technical Support

Customization Options

Motor & Electrical

Configurable motor brands (HC/LB), efficiency ratings (IE3/IE5), phases, and regional voltages/frequencies.

Appearance & Color

Fiberglass housing colors and logo branding can be tailored to match your corporate identity.

Accessories & Valves

Choose between gravity butterfly valves, PVC louvers, and specific mounting hardware.

Packaging & Shipping

Flexible shipping options including Complete Knock-Down (CKD) parts for maximum container loading.

Tested Performance Basis

Data derived from our laboratory testing of the standard JBH57-2.2E-JH platform.

Static Pressure (Pa) Airflow (m³/h) Motor Speed (rpm) Efficiency (m³/h/W)
0 Pa69,03475040.6
25 Pa63,51875032.6
50 Pa58,28775026.4
75 Pa52,37675022.4
100 Pa44,09275018.6
124 Pa35,40375015.4
149 Pa23,8177509.9
173 Pa16,9247506.7
205 Pa6,2577472.4
* Tested under standard 380V/50Hz conditions with HC Motor. Custom configurations require re-verification.
Tested ModelJBH57-2.2E-JH-50Hz
Drive TypeDirect Drive (No belt loss)
Default MotorHC Brand / IE5 PMSM / IP66 Protection
Default Input380V / 3-Phase / 50Hz (Customizable)
Housing MaterialSMC Molded Fiberglass with Wind Guide
Backdraft DamperGravity Butterfly Valve
Wall Opening Req.1640 × 1640 mm
Project Inquiry

Tell us what you need to ventilate.

Get a customized quote for your livestock ventilation project from HerdSpec engineers. We ship worldwide with full technical support.

  • Precise Motor Matching Tell us your local voltage/frequency, we configure the exact EC or AC drive.
  • Global Logistics Support From sample orders to full 40HQ containers, we handle secure export packaging.
  • Fast Engineering Response Detailed datasheets and pricing provided within 24 hours.
  • WhatsApp Support +86 17685857827
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