Industrial Ventilation Gearbox Fans Superior Air Movement
Technology
Product Description:
Are you looking for an innovative way to enhance airflow and
improve comfort in your space? Meet our range of high-efficiency,
smaller size HVLS (High Volume Low Speed) fans, specifically
designed to meet the unique needs of various environments without
compromising on performance.
Features:
- High Volume, Low Speed
- Patented Double Outer Bearing Safety System
- Up to 16 safety protection devices for anti-falling
- Energy-saving for large scale premises
Technical Parameters:
DIAMETER | 12ft(3.8m) | 16ft(5.0m) | 20ft(6.2m) | 24ft(7.3m) |
MODEL | BFFCA38 | BFFCA50 | BFFCA62 | BFFCA73 |
AIR VOLUME | 11050m³/min | 12050m³/min | 13100m³/min | 14060m³/min |
MAXIMUM SPEED | 95RPM | 75RPM | 60RPM | 55RPM |
WEIGHT | 68Kg | 90Kg | 110Kg | 125Kg |
MOTOR POWER | 1.5kw | 1.5kw | 1.5kw | 1.5kw |
FULL LOAD CURRENT | 2.4Amps/380v 4.2Amps/220v | 2.4Amps/380v 4.2Amps/220v | 3.5Amps/380v 6.1Amps/220v | 3.5Amps/380v 6.1Amps/220v |
Applications:
✔ Large warehouse, cold chain center: prevent goods from mildew, improve the working environment of
employees
✔ Automotive, electronics, textile workshop: disperse welding smoke, dust, improve air quality
✔ Stadiums, airports, shopping malls: Solve the problem of hot and stuffy, reduce reliance on air
conditioning
✔ Greenhouse, farm: adjust temperature and humidity, promote air circulation, reduce
poultry heat stress

Basic Configuration (Model BFFCA73 GEARBOX SERIES) :
Fan blade insertion technology:
The fan blade is made of 6063T5 special high-strength aviation
magnesium-aluminum alloy material, which is extruded into one
piece. There are as many as 5 sets of enhanced tendon support
systems inside to enhance the strength of the fan blade and prevent
the fan blade from drooping. The insert plate is made of
high-strength forged alloy steel plate +annealing process.
Bottom plate:
One-piece aluminum-magnesium alloy, processed by CNC machine tools,
the precise tolerance of the bottom plate is controlled at 100 μm,
ensuring the precise dynamic balance of the bottom plate, strong
fatigue resistance of the bottom plate, and safer product
operation.
Fan blade I-shaped safety ring:
The main function of the I-shaped safety ring is to connect the fan
blade and the bottom plate form an overall structure, made of
steel, safe and stable.
Main frame:
Adopts Q235B carbon steel material, steel structure laser cutting,
strengthen the support frame while protecting the motor, so that
the motor can fully dissipate heat and prolong the life of the
power system.
Support and Services:
BIGFANS have own installation service team exceeded 100 people,
covering the four major regions of South China, East China,
Southwest China and Northeast China, providing 24-hour service.
The company's after-sales department adopts an 8-hour response and
a 24-hour problem-solving mechanism to serve you wholeheartedly.

Packing and Shipping:
Each fan is securely wrapped and placed in a sturdy wooden box with
ample cushioning material to prevent any damage during transit, and
a set of big fans is composed of a square box and a long box.

FAQ:
Q: Are you factory or trading company?
A: We are factory which established more than 12 years.
Q: Do you accept OEM?
A: Yes, but we have MOQ requirement
Q: What is your delivery time?A: Usually we have stock, delivery time within 7 working days.If there is customized requirement, time is negotiable.Q: What other services can you provide?A: Accepted delivery terms: FOB,CFR,CIF,EXW,DDP,DDU.Accepted payment type: T/T, L/C;