Description
🌬️ Overview – Power Meets Silence in One Compact Inline Fan
Experience the perfect blend of efficiency, silence, and performance with the Cabinet Sound Insulated Inline Fan (DSIF Series).
Specially designed for supply and exhaust ventilation systems, this Inline Fan is the ultimate choice for spaces that demand low noise levels, compact installation, and continuous airflow performance.
Ideal for offices, hotels, hospitals, conference rooms, and residential spaces, this fan offers quiet ventilation without compromising on power.
Engineered with sound insulation technology, it ensures peaceful operation — even when installed above suspended ceilings or in confined spaces.
⚙️ Design & Construction – Engineered for Durability and Silence
The Cabinet Sound Insulated Inline Fan is constructed using galvanized steel for superior durability and corrosion resistance.
Its double-layered heat and sound insulation ensures minimum vibration and noise, while rubber-sealed round connectors guarantee an airtight fit and smooth airflow.
✅ Key Design Highlights:
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Made from high-quality galvanized steel for strength and reliability.
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Sound and heat insulation for ultra-quiet performance.
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Rubber seals prevent air leakage and reduce vibration.
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Compact and modular design for easy above-ceiling installation.
This Inline Fan not only ensures high performance but also complements modern HVAC systems where quiet operation and space optimization are key.

|
MODEL |
VOLTAGE [V/50 Hz] |
POWER (W) |
CURRENT (A) |
MAXIMUM AIR FLOW [M³/H] |
RPM [Min⁻¹] |
NOISE LEVEL AT 3 m [dBA] |
Maximum Operating Temperature [⁰C] |
Protection Rating |
|
DSIF -150 |
230 |
72 |
0,32 |
420 |
2600 |
36 |
-25 +55 |
IP x 4 |
|
DSIF 250 |
230 |
198 |
0,87 |
1300 |
2420 |
41 |
-25 +50 |
IP x 4 |
|
DSIF 315 |
230 |
322 |
1,40 |
2150 |
2670 |
43 |
-25 +45 |
IP x 4 |
Overall Dimensions:
|
Type |
Dimensions (mm) |
Mass [KG] |
||||||
|
∅ D |
B |
B1 |
H |
L |
L1 |
L2 |
||
|
DSIF 150 |
149 |
352 |
310 |
212 |
477 |
410 |
380 |
6, 4 |
|
DSIF 250 |
249 |
432 |
368 |
287 |
588 |
506 |
480 |
12, 5 |
|
DSIF 315 |
314 |
502 |
438 |
397 |
648 |
566 |
540 |
15, 5 |

⚡ Motor Performance – Reliable, Efficient, and Maintenance-Free
At its core, this Inline Fan features a centrifugal impeller with backward-curved blades, powered by an asynchronous external rotor motor.
This design enhances air pressure, airflow stability, and efficiency — all while maintaining exceptionally low noise levels.
🔋 Motor Features:
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Thermal protection system with automatic restart.
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Ball bearings with selective lubrication oil for extended lifespan.
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Maintenance-free operation for long-term reliability.
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Low power consumption and quiet running motor.
This makes it the perfect Inline Fan for continuous, energy-efficient performance in demanding environments.
🔄 Speed Control – Flexible & Smart Airflow Management
The Cabinet Sound Insulated Inline Fan offers smooth or step speed control using a thyristor or autotransformer controller, allowing users to easily adjust airflow intensity based on ventilation requirements.
✅ Speed Control Highlights:
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Compatible with thyristor or autotransformer controllers.
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Variable speed control for customized airflow.
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Multiple fans can be connected to one controller (within rated limits).
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Energy-saving operation with precision control.
This ensures optimal comfort, reduced energy use, and enhanced fan longevity.
🧱 Mounting & Installation – Simple, Safe, and Versatile
Designed for flexible installation, the Cabinet Sound Insulated Inline Fan can be mounted in any position — horizontally, vertically, or diagonally — depending on the air direction requirements.
🔧 Mounting Features:
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Fix with supports, suspension brackets, or fixation brackets.
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Suitable for above-ceiling, wall-mounted, or concealed installation.
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Easy access for maintenance without dismantling the whole unit.
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Directional pointer ensures correct airflow alignment.
Its compact design makes it ideal for tight installation areas where traditional fans can’t fit.
🏢 Applications – Designed for Silent Airflow Everywhere
The Cabinet Sound Insulated Inline Fan is versatile and built for environments where quiet ventilation, high performance, and aesthetic concealment are top priorities.
✅ Common Applications:
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Offices & Workspaces
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Hospitals & Laboratories
-
Hotels & Conference Halls
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Apartments & Residential Buildings
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Restaurants, Cafés & Lounges
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Educational Institutions
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Commercial HVAC & Air Handling Systems
Wherever silent air circulation is needed, this Inline Fan delivers consistent performance without disruption.
❓ FAQs – Frequently Asked Questions
Q1. What is a Cabinet Sound Insulated Inline Fan?
It’s a low-noise Inline Fan designed with sound insulation to provide quiet, efficient ventilation in limited spaces.
Q2. Can it be installed above false ceilings?
Yes! It’s ideal for above-ceiling installations and other concealed ventilation systems.
Q3. Is speed adjustable?
Absolutely. You can control the fan’s speed using a thyristor or autotransformer controller.
Q4. Does it require regular maintenance?
No. Thanks to ball bearings with selective lubrication, it’s maintenance-free.
Q5. What kind of motor protection does it have?
It has a built-in thermal overload protection system that automatically restarts after cooling down.
🚀 Why Choose Our Inline Fan?
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✅ Proven DSIF engineering for reliability.
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✅ Ultra-quiet operation with advanced sound insulation.
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✅ Compact & sleek design for limited spaces.
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✅ Efficient, low-maintenance asynchronous motor.
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✅ Variable speed control for optimal airflow.
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✅ Ideal for commercial and residential ventilation systems.
🛒 Order Your Cabinet Sound Insulated Inline Fan Today!
Upgrade your ventilation system with the Cabinet Sound Insulated Inline Fan — a perfect blend of silence, strength, and efficiency.
👉 Order Now to experience ultra-quiet performance and long-lasting airflow reliability.
For bulk orders, customized airflow systems, or OEM collaboration, contact us today and let our experts assist you!





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