Kruger
KJF Series - Tunnel Jet Fan
Model / SKU: —
KJF Series are jet fans designed with high strength material to serve tunnel ventilation application such as Transportation Tunnel, Underground construction, Utility Tunnel, etc. Truly Reversible (Reversibility of 97-100%) airflow direction is available. Thrust performance is tested and rated in accordance to AMCA250 standard. High temperature (up to 400°C/2 Hours) in accordance with EN12101-3 certification by TÜV SÜD a third party globally renowned testing and certification organisation. All im
Share the model, quantity and application so our team can confirm the selection.
Product details
KJF Series are jet fans designed with high strength material to serve tunnel ventilation application such as Transportation Tunnel, Underground construction, Utility Tunnel, etc. Truly Reversible (Reversibility of 97-100%) airflow direction is available. Thrust performance is tested and rated in accordance to AMCA250 standard. High temperature (up to 400°C/2 Hours) in accordance with EN12101-3 certification by TÜV SÜD a third party globally renowned testing and certification organisation. All impellers are statically and dynamically balanced to ISO1940 and AMCA204 - G2.5 standards.
Product questions
What is this product?
KJF Series - Tunnel Jet Fan is listed under Kruger, brand Kruger.
How can I request a price and confirm this model?
Enter the model, quantity and application in the quotation form, then send the prepared message by email or LINE to SPI using the contact details on this website. Confirm the price and model with the team before ordering.
Technical specifications
| Brand | Kruger |
|---|---|
| Model / SKU | KJF Series - Tunnel Jet Fan |
| Category | tunnel fan |
Specifications Quick Facts • Size from 560 to 1600 mm diameter • Thrust Force Up to 3000 N • Thrust Efficiency Up to 37 N/kW • Unidirectional and 100% Truly Reversible • Casings are Steel Hot Dip Galvanized as per ASTM A123 • Blades are X-Ray Test as per ASTM E155 • Performance Tested as per AMCA 250 and 300 • High Temperature Certified by TUV SUD as per EN 12101 Accessories • Protection Net • Deflector Construction Casing Tube casing is produced in high grade carbon steel with thickness 4 mm or more suitable to be used in tunnel / underground environment. Blades Specially designed aluminium alloy homogenous aerofoil blades with high yield strength cater for high thrust and thermal shock in case of fire. Structural Supports Fan supports are made of high strength steel to withstand static and dynamic load during fans are operating. Finishing All steel parts are finished by hot dipped galvanized for corrosion resistance and withstand high temperature.
Documents & catalogs
Source references
MCG Trading · Source catalog ↗Related reading

Duct sizing with Equal Friction
Duct sizing with ( Equal Friction) Equal Friction is a duct-sizing method that keeps the pressure loss from friction per unit duct
Read article ↗
Design and installation of air duct systems (Duct Design)
Design and installation of air duct systems (Duct Design) Design air ducts for air conditioning systems. Why do you need to "reduc
Read article ↗
Low Noise Duct Design
Low Noise Duct Design is a matter of controlling air speed + pressure + vibration + selecting equipment. From the origin to the di
Read article ↗Related equipment
All related articles (73)
- Department store bathrooms with air conditioning have to think about 2 at the same time to suck out odors and moisture.
- What is the Aspect Ratio of the air duct?
- How to design air ducts (Duct Design) according to international standards
- Calculation of large meeting room air conditioning systems (High Density Occupancy)
- Standards for air speed in ducts (Duct Velocity)
- Air conditioning system (negative pressure room)
- Summary of professional guidelines for reducing pressure drop
- Air conditioning system "negative pressure room"
- Choosing an air distributor (Air Diffuser / Grille / Register)
- What is External Static Pressure (ESP) and how important is it?
- Procedure for measuring ESP (External Static Pressure) at Fan In / Fan Out
- Balancing air volume is the most important thing in cleanroom work.
- Creating a positive pressure room (Positive Pressure Room) is the heart of HVAC system work.
- Round pipe or square pipe, which one is best to use for HVAC design?
- How to calculate the size of a ventilation fan for a factory with a height of 6 meters, simple and practical.
- Principles of ventilation for parking lots (Parking Garage Ventilation)
- Cleanroom Design
- Fresh Air Supply Methods
- What are System Effects?
- In-depth look at factory fan types: Axial vs Centrifugal, which one is right for your job?
- The reason why Centrifugal Fan "wind does not reach as designed"
- Analysis of Condensation at the Air Pipe
- System effect of the fan (Fan)
- Kruger Fan Kruger Fan
- Kruger
- Design of air conditioning and ventilation systems for food court areas in department stores.
- KRUGER IJA Series
- KRUGER KJF Series
- Principle of “Adjusting the air volume of the VAV system (Variable Air Volume)”
- Balancing pressure for clean rooms
- Design of air conditioning system for isolation room (Isolation Room)
- Design of air conditioning system for large meeting rooms
- Selecting the size of the air diffuser (Air Diffuser)
- Air conditioning units must have “Fill in fresh air (Fresh Air)”
- Namsae Trading ventilation fan, strong wind, durable, cool factory.
- Relationship between Flow Rate and Pressure Drop
- Calculating Louver size for Fresh Air Intake
- Formation of water droplets on the surface of cold water pipes in air conditioning systems.
- Factory fan, high wind power Namsae Trading
- Ventilation in the car park (Car Park Ventilation)
- Design of a fire escape air compressor system (Stair Pressurization System)
- Adjusting the air balance in a rectangular duct system (Rectangular Duct)
- industrial fan
- Calculation of air volume CFM (Cubic Feet per Minute)
- Duct Design
- Air duct work (ductwork)
- ACH stands for Air Changes per Hour.
- Positive Pressure Room
- What is the Static pressure value in the Air Nozzle Catalog?
- Fan Fan
- How are PIP ventilation pipes better than galvanized pipes?
- How to cool down the factory space?
- Why improve working conditions for employees? Operators are therefore important.
- How can air changes improve factory air quality?
- A cost-effective and efficient way to cool a factory
- How good is a ventilation fan? Which type is appropriate to use?
- Useful Facts about Industrial Fans
- An Exhaust Fan: a Useful Household Appliance
- Basic ventilation airflow calculations
- 5 ways to use fans while saving electricity
- Industrial fans, blowers and ventilation systems for workers' quality of life
- Ventilation basics
- Notes on ventilation in industrial systems
- The difference between fans and blowers
- Benefits of ventilation systems
- 9 tips for inspecting and maintaining blower fans
- Tips for managing heat inside buildings
- Selecting Kruger Fans: Search by Series and Check Documents before Comparing Models
- Managing Heat in Buildings and Factories
- Installing Factory Ventilation Fans


