Description
Deep Process Control — Nearly 30 years focused on coated fabric and technical textile systems, supporting ventilation duct integration with reliable on-time delivery.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | Axial Flow Fan |
| Size Options | 200mm / 250mm / 300mm / 350mm / 400mm / 450mm / 550mm / 650mm / 750mm / 850mm / 900mm |
| Power Range | 250W to 5500W |
| Air Volume Range | 1300 m³/h to 28000 m³/h |
| Total Pressure Range | 140 Pa to 320 Pa |
| Voltage | 220V/380V |
| Noise Level | 57-88 dB(A) (varies by size) |
| Type | Handheld axial flow fan |
| Accessory | Flexible duct hose compatible |
| Custom Printing | Accepted (brand printing on products) |
| Custom Color | Accepted |
| Certifications | ISO, CE |
Application Suitability
| Application | Exposure & Requirement |
|---|---|
| Construction site temporary ventilation | Dust, welding fumes, confined space airflow, frequent relocation of equipment |
| Factory floor localized exhaust | Continuous operation, chemical vapour extraction, heat dissipation from machinery |
| Mining and tunnelling ventilation | High static pressure duct runs, fire-retardant compliance, particulate-laden airstream |
| Industrial workspace air quality management | Regulatory compliance for breathable air, noise-sensitive environments, duct routing flexibility |
Why Matching Fan Size to Duct Diameter Matters More Than Air Volume Ratings Alone
A portable axial flow fan for industrial ventilation only delivers its rated air volume when the duct diameter and length match the system curve.
Buyers often select a fan based on the maximum m³/h figure on the spec sheet, then find the actual airflow at the far end of a 20-metre flexible duct hose falls well short of what the site safety plan requires. The smaller the duct relative to the fan outlet, the greater the friction loss — and flexible ducts with internal helix wires create turbulence that rigid steel pipe does not [NEED_CITE: airflow friction loss in flexible ventilation ducting per ISO 5801]. This mismatch means workers in the target zone breathe air that has not been exchanged as planned, and site inspectors flag the system as non-compliant.
Matching Fan Diameter to Your Ducting System
The eleven diameter options — from 200mm through to 900mm — exist because duct friction loss scales non-linearly with diameter reduction. Selecting a 400mm fan to push air through a 300mm duct forces the motor to work against higher static pressure, reducing actual delivered volume and increasing power consumption. Pairing the correct Portable Axial Flow Fan for Industrial Ventilation size to the hose diameter keeps the operating point near the peak of the fan curve, where efficiency and air volume align.
Voltage and Duty Cycle Considerations on Site
With 220V and 380V configurations available, the fan can integrate into single-phase site power or three-phase industrial supply without an external transformer. Lower wattage units at 250W suit intermittent spot ventilation, while 5500W models handle continuous exhaust duty across extended duct runs where pressure drop accumulates [NEED_CITE: continuous duty rating for portable ventilation fans in mining applications]. Confirming the voltage and expected run cycle before ordering prevents motor overheating and premature bearing wear.
Reading the Spec Sheet for Real-World Performance
Air volume range from 1300 m³/h to 28000 m³/h reflects the full span across all diameter and power combinations, not a single unit. Total pressure between 140 Pa and 320 Pa indicates the fan can overcome moderate duct resistance but is not designed for long high-pressure runs typical of main shaft ventilation. Noise levels between 57 and 88 dB(A) scale with diameter and motor speed; smaller units suit occupied workshops while larger models may require hearing protection zones [NEED_CITE: occupational noise exposure limits for industrial ventilation equipment per ISO 9612]. The flexible duct hose compatibility means the system is supplied as an integrated airflow solution rather than isolated components that may not connect cleanly at the flange.
The Cost of Undersizing Your Ventilation System
When a fan is too small for the duct run length, air velocity drops below the threshold needed to carry particulates, and dust settles inside the hose, progressively blocking airflow. On construction sites, this leads to repeated repositioning of equipment, lost labour hours, and failed air quality inspections. In welding fume extraction, undersized systems allow hexavalent chromium concentrations to exceed occupational exposure limits before anyone notices [NEED_CITE: welding fume extraction requirements for confined spaces]. Oversizing carries its own penalty: excessive velocity in a small duct creates noise, vibration, and premature wear at the hose-to-fan connection point.
Why Source Ventilation Systems Here
Three full production lines and 36 sets of professional equipment support bulk orders of both fans and compatible flexible duct hose with consistent lead times. The 10-person R&D team handles diameter matching, custom colour requests, and branding on the fan housing to align with your fleet identification scheme. Dedicated QA/QC inspection covers motor winding integrity, impeller balance, and flange dimensional accuracy at every production stage, with 100% pre-shipment inspection before dispatch. Custom colour and logo printing orders are developed as samples within days, so you can verify appearance and fit before full production commits. Nearly 30 years of experience in coated fabric and technical textile systems means the flexible duct hose material is sourced from the same supply chain expertise that produces the company’s ventilation duct fabric.
Documentation & Verification
- Material specification sheet confirming fan diameter, power rating, and compatible duct hose size
- Test report for motor insulation resistance and dielectric strength before dispatch
- ISO and CE certificates covering electrical safety compliance
- Pre-shipment inspection record documenting impeller balance and noise measurement
- Packing list with roll count for duct hose and unit count for fans per container
Fabrication, Handling & Storage
- Flexible duct hose should be stored coiled loosely to prevent permanent creasing of the internal helix
- Fan flange connection to duct hose requires matching diameter selection from the 200mm to 900mm range
- Motor winding insulation should be verified after storage in humid conditions before energising at 220V or 380V
- Custom colour coatings on fan housing resist minor site abrasion but should not be cleaned with solvent-based products
- Noise level ranges from 57 dB(A) on smaller units, plan hearing protection zones for 850mm and 900mm models
- Branding and logo prints on the housing withstand normal handling but inspect for damage before installation
What We Need to Quote Accurately
To specify the correct Portable Axial Flow Fan for Industrial Ventilation for your project, confirm the duct run length and number of bends so we can calculate total system pressure loss. State your site voltage and whether the fan will run continuously or intermittently. If custom colour or logo printing is required, provide Pantone references and artwork files so we can prepare a sample for approval before production.
Frequently Asked Questions
Q: How do I select the right fan size and power for my airflow requirement?
A: Calculate the required air volume for your workspace, then add duct friction losses based on hose length and bends. Match this to the fan curve for the specific diameter — the 11 size options from 200mm to 900mm and power range from 250W to 5500W cover most industrial ventilation scenarios. Provide your duct layout and we can recommend the optimal combination.
Q: Are flexible duct hoses included or sold separately?
A: Flexible duct hose is available as a compatible accessory alongside the axial flow fan. You can order the hose in the matching diameter to the fan outlet, with custom lengths depending on your site configuration. Specify the required length and quantity when requesting a quotation.
Q: What is the lead time for custom colour and logo printing orders?
A: Samples for custom colour and branding are developed within days so you can approve the finish before full production. Once approved, typical multi-week lead times apply depending on order volume. Confirm your Pantone references and artwork early to keep the schedule on track.
Q: Can these fans operate on different voltage standards?
A: The fans are available in 220V and 380V configurations to match single-phase or three-phase site power. Confirm your electrical supply specification at the inquiry stage so the correct motor winding is fitted. No external transformer is needed when the voltage matches your site infrastructure.
Q: What maintenance do portable axial flow fans require?
A: Routine maintenance includes checking impeller balance, inspecting the flexible duct hose for internal collapse or blockage, and verifying motor winding insulation after extended storage. Spare parts and after-sales support for installation and troubleshooting are available. We provide guidance on service intervals suited to your operating environment.








