Silent mixed flow inline duct fan is a quiet high-performance inline fan for rooms and projects that need stronger duct airflow without turning ventilation into background noise.
Silent mixed flow inline duct fan is made for spaces where airflow must be strong, but the fan should almost disappear into the background.
Its mixed-flow structure, EC motor and noise-reduction design help provide steady duct ventilation for residential, commercial, medical and light industrial environments.
The fan gives installers a practical balance of airflow, pressure, quiet operation and service access.
Built for quiet duct performance, this series combines mixed-flow pressure, EC control and modular maintenance.
Acoustic optimization helps reduce fan noise and improve comfort in occupied rooms.
Strong airflow capacity supports larger rooms and longer duct paths.
EC motor control helps tune airflow, noise and energy consumption for each project.
The motor and fan assembly are designed for reliable long-hour ventilation.
Tool-free access helps simplify inspection, cleaning and maintenance.
Flexible inlet and outlet layouts make installation easier in tight duct spaces.
| Model | Voltage | Input Current (A) | Power (W) | Speed (rpm) | Airflow (m³/h) | Static Pressure (Pa) | Noise (dB) |
|---|---|---|---|---|---|---|---|
| KC – 100S | 220V – 50Hz | 0.13 | 45 | 2550 | 220 | 150 | 30 |
| KC – 125S | 220V – 50Hz | 0.13 | 45 | 2550 | 310 | 180 | 32 |
| KC – 150S | 220V – 50Hz | 0.13 | 75 | 2550 | 540 | 300 | 45 |
| KC – 200S | 220V – 50Hz | 0.14 | 130 | 2550 | 1200 | 380 | 55 |
Quiet mixed-flow ventilation for projects that need airflow strength and everyday comfort at the same time.
Supports fresh, quieter ventilation where sound comfort matters.
Moves air through ducts while keeping occupied areas more comfortable.
Provides stronger duct airflow for light industrial or technical spaces.
We eliminate procurement and installation risks through rigorous factory verification and straightforward B2B warranty support.
Every batch undergoes strict functional and dimensional routing tests, including EC motor response, stepless speed adjustment, modular housing fit, airflow and pressure verification, noise target review, duct connection alignment and model-to-table parameter matching. We ensure that every single unit arrives at your project site fully functional and ready for flawless installation.
We stand firmly behind our manufacturing craftsmanship. In the rare event of any material defect or mechanical failure under standard project operations, KCVENTS provides a straightforward, hassle-free hardware replacement service to secure your timeline.
As a global manufacturer of HVAC and ventilation equipment, KCVENTS is dedicated to providing flexible customization services and robust long-term supply chain warranty terms for contractors, brands, and wholesalers.
We support full private labeling (OEM) and custom housing finishes. Our ODM engineering covers custom chassis modifications, specialized airflow curves, and regional electrical standards (e.g., 110V/60Hz, 24V variable frequency).
For large-scale HVAC and green building deployments, we offer structured MOQ tiers, staged shipping contracts, and agile multi-batch delivery aligned with your construction timeline. Technical submittals and parameter validation are included.
Motors enjoy an extended warranty of up to 3 to 5 years, backed by a comprehensive 1-year full system warranty. Bulk orders are eligible for a dedicated percentage of maintenance spares along with 1-on-1 remote engineering support.
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