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Help CenterBig Duct Exhaust Fan for Commercial Ventilation
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Product Features:
- The shell is made of polypropylene plastic, one-time disposable molded, with high anti-acid function.
- Using ABS blades, design by hydromechanics to reach the optimal air and pressure.
- Two-speed motor, imported NMB ball bearing, it's life expectancy up to 50,000 hours.
- IP44 Protection class, waterproof and dustproof more effective.
- Can be designed with a delay function, temperature sensors and humidity sensors, more of user-friendly features design.
- Run the ambient temperature range: -20°C~60°C.
Performance Parameter:
Dimensions (mm):
Performance Curves
qv: Air volume in CFM.
psf : Static pressure in mmAq.
Dry air at 20°C and 760mmHg.
Performance data in accordance with ISO 5801 and AMCA 210-99 Standards.
Ventilation Is Everywhere
Good Ventilation to protect you and your family
Our house can reach thermal insulation, sealing performance, but it also prevents air circulation what led to accumulation of feculent and harmful gases, reduces the oxygen content of the air and affects our health, all which is that people can not smell detected.
Do you know when the doors and windows closed, indoor air carbon dioxide how many do? Do you know if the polluted air connect level is high, how much harm it will cause to the occupants? Do you know when the difference of temperature between outdoor and indoor is large, how much energy will waste by opening windows to ventilate? These questions, perhaps, you never thought or did not pay attention before, or subject to restrictions on the living conditions thar can not solved.
According to the survey, more than 50% respondents open windows for ventilation less than 15 minutes. Although, most of the occupants are not content with their indoor air quality more or less, they still do not pay much attention to ventilation importance. In a closed room people can’t breath well so that they have poor quality of sleep. Ordinary people will exhale 20 liters of carbon dioxide which occupy 4% of the exhaled gas per hour, while the carbon dioxide content in the fresh air is 0.03 to 0.04%. If the atmospheric carbon dioxide content of is more than 0.1%, it is slightly polluted. Therefore , the scientific ventilation is very important.
Ventilation means fresh air
“Green” living air: fresh, energy saving and environmental protective.
Air quality determination
- Oxygen and carbon
- Dioxide Concentration of harmful substances content in the air
- Odors
- Air Humidity
- The comfortable temperature21~23°C
- Air Motion
Mixed Flow Fans vs. Axial & Centrifugal Fans:
Application:
Practical examples of installation of the HF mixed flow fans range The HF fans provides a large number of solutions for small and large ventilations.
Residential-Kitchen, Domestic-Range Hood Exhaust, Commercial-Office, Industrial-Republic Restroom, School-Dining Hall, Industrial-Locker Room Health-Waiting Room, Meeting Room, Catering, Gym, Bathroom, Study Room.
Installation and Maintenance
HF Mixed Flow In-Line Fan
Application:
HF Mixed Flow Fan can be used for exhaust and supply ventilation systems that require high pressure, powerful airflow and low noise levels. With a range Applications of sizes that include 100,125,150 and 200mm, HF fan can be used with rigid and flexible ducting. The HF Mixed Flow Fan are the ideal solution for air exhaust systems for rooms with high humidity such as bathrooms and kitchen, as well as ventilation for apartments, house, shops, cafes, restaurant, cinemas etc.
Design:
The motor is attached to the body of the fan by two quick release clips which enables the motor to rotate to provide connection for confined spaces and removal for maintenance without removing the whole fan or duct. All models have an option of standard which has a two speed motor or overrun timer option variable range of 1 to 30 minutes.
Motor:
The single phase ball bearing motor has two speeds and is equipped with standard thermal overload protection (STOP) with automatic restart. Motor protection rating IP44 and are fully speed controllable. Complies with part F building regulations and designed for ambient temperatures -20~60°C. Supply voltage 110V~380V, 50/60HZ.
Mounting:
The fan can be mounted in line or at either and of the duct run and at any angle. Horizontally or vertically. All fans can be mounted in parallel to increase the volume of air or in series to increase the pressure. The casing is fitted with a mounting plate. The mounting box can be rotated to be installed in any positon for easy installation and connection.
- We have a strong R&D and production team, according to customer requirements design ang manufacture of specialized products.
- We understand the various sectors of the fan's specific needs, providing a variety of standard products for you to choose.
- We provide thoughtful and meticulous service, as well as the rapid and timely delivery.
- After sale service: oil fan within a year free repair, replacement; ball fan within two years of free repair, replacement.
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