Greenhouse fan SFT-2000
extractionwall-mounted

Greenhouse fan - SFT-2000 - Schaefer Ventilation Equipment - extraction / wall-mounted
Greenhouse fan - SFT-2000 - Schaefer Ventilation Equipment - extraction / wall-mounted
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Characteristics

Application
for greenhouse
Function
extraction
Installation
wall-mounted
Diameter

20 in

Description

Overview
The Schaefer SFT-2000 is a shutter-style, low-profile exhaust fan designed for flush wall mounting in thin-walled industrial and agricultural buildings such as greenhouses. It provides high airflow in compact installations while minimizing exterior projection.

Key features
  • Low-profile design for thin walls and limited exterior space
  • Aluminum blades with 22° pitch and rugged PVC shutter for corrosion resistance
  • Heavy-duty TEAO totally enclosed motor, direct drive; 1550-1800 rpm (60 Hz)
  • Fixed wall-mount installation; powder-coated steel guard; 20 in diameter
  • Voltage 115/230 V, single-phase, single speed; speed control compatible (VFD not supported)


Technical specifications
  • Model: SFT-2000
  • Manufacturer: Schaefer
  • Diameter: 20 in (50.8 cm)
  • Power: 1/3 HP
  • CFM (@0.05"): 3120; CFM range (free air): 2501-5000
  • Blade material: Aluminum; Number of blades: 4; Blade pitch: 22°
  • Motor enclosure: TEAO; RPM (60 Hz): 1550-1800; Drive: Direct
  • Voltage: 115/230 V; Phase: 1; Speeds: 1; VFD Compatible: No; Speed control compatible: Yes
  • Guard spacing: 1/2" OSHA; Guard material: Powder-coated steel
  • Product weight: 31 lb; Shipping dimensions: 27 x 27 x 15 in; Country of origin: US


Applications
  • Exhaust ventilation for greenhouses, nurseries and thin-wall agricultural buildings
  • Light industrial ventilation where low-profile wall-mounted exhaust is required
  • Replacement or upgrade of existing wall-mounted exhaust units


Installation and compatibility
The unit mounts flush to exterior walls and is intended for fixed installation. It ships without a power cord. Compatible with standard single-phase supplies; not compatible with VFDs but accepts simple speed controls. Confirm ducting and performance requirements with manufacturer for specific installations.

Ordering information
Available size: 20 in. Consult Schaefer for detailed performance curves, accessories and delivery. Specifications marked TBD should be confirmed with the manufacturer for the intended duct and operating conditions.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.