DFOE Series Dust Collectors
Overview
The DFOE series dust collectors feature an integrated design that combines the filtration unit, fan unit, and control unit. These units are specifically designed to handle dust and fumes generated from thermal processing operations such as cutting and welding. The DFOE 3, DFOE 4, and DFOE 6 dust collectors can be applied in environmental management or as part of the production process. They offer:
- Compact size with high efficiency; a “plug and play” design suitable for continuous operation.
- Integrated design with a compact structure, small footprint, easy on-site installation, and low installation cost.
- Four different inlet directions for easy connection to on-site piping.
- Integrated spark capture device.
- Downward airflow design with unique Ultra-Web® FR oval filters, enhancing filtration efficiency and cleaning effectiveness.
- Easy-to-empty drawer-type dust collection bucket.
- Exclusive Torit® Delta P-C01 differential pressure cleaning controller with multiple cleaning and communication functions.
- Ability to connect with other machines in the system for linked operation.
Standard Configuration
The DFOE 3, DFOE 4, and DFOE 6 dust collectors come standard with patented Donaldson Torit® Ultra-Web FR flame retardant filters, offering unmatched efficiency for fine particulate filtration. These filters provide MERV 15 efficiency for submicron particles, featuring low pressure drop and long service life.
Main Components:
-
Ultra-Web FR Filters
Provides high-efficiency filtration with flame-retardant properties. -
Fan Unit
Equipped with a 380/50/3 motor and an outlet air volume control valve. -
Inlet Connections
Available in left, right, or rear configurations with integrated spark capture devices. -
Torit Delta P-C01 Controller
Differential pressure cleaning controller for optimal dust collection performance.
Pre-Owned Donaldson DFOE3-12 Dust Collector
If you are looking for a more cost-effective option, we have only one pre-owned Donaldson DFOE3-12 dust collector available. This unit was previously used in a clean laboratory environment and is in excellent condition (90% new). It has been professionally inspected and cleaned, ensuring efficient dust and fume filtration, exceptional durability, and reliable performance in a new working environment.
Key Applications
- Laser Cutting
- Plasma Cutting
- Metal Welding
- Other Applications
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DFOE 3, DFOE 4 & DFOE 6 Dimensions and Technical Specifications

| Model | Filter Quantity | Filter Area (m²) | Motor Power (kW) | Operating Weight (kg) | Noise Level (dB(A)) | Dimensions (mm) – A | Dimensions (mm) – B | Dimensions (mm) – C | Dimensions (mm) – D* |
|---|---|---|---|---|---|---|---|---|---|
| DFOE 3 | 3 | 53.0 | 3 | 650 | 75±3 | 2361 | 1198.6 | 1016 | 302.6 |
| DFOE 4 | 4 | 70.6 | 5.5 | 700 | 75±3 | 2361 | 1198.6 | 1016 | 302.6 |
| DFOE 6 | 6 | 105.9 | 7.5 | 840 | 75±3 | 2878 | 1283.6 | 1016 | 382.6 |





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