Products >> FDA-Centrifugal Fan >> FDA-RV (Roof Exhaust fan without electric power)
1 1 1
Dimension and Installation
Model Diam of air inlet (mm ) Dia of ball (mm ) total height (mm) Height of inlet (mm) Weight(kgs)
FDA300-RV 300 400 340 110 2.80
FDA400-RV 400 500 400 110 3.45
FDA500-RV 500 600 480 180 4.35
FDA600-RV 600 700 520 180 4.40
 
Description
Non Electric Power Roof Ventilator is based on hydrokinetics and thermodynamics, desige for outside work on the roof
a few different temperature and different air pressure between outdoor and indoor, ventilator run automatically and create
centrifugal force, create a negative pressure space below the ventilator, chimney effect take out heat, humidity, dust,
Material: stainless steel
this ventilator is non electric, 24 hours run, application for: Commercial kitchens of restaurants, kithchens of residences
Industry: paint workshop, warehouse, machinery
Main air extraction for residences, office, laboratories, building: apartment, house, hotel, office, school, supermarket, station,
hospital, shop, exhibition hall, gymnasium,church, emporium etc.
The specification as table here are the general data, these are reference only,
The exact parameters, please see the actual products manufactured by Fengda
Reference Value for (Different StructureA/C)
Capacity of Airflow ( Q )
Model Outdoor Air Speed (km/h) Exhaust airflow (m3/h)
FDA300-RV 3 1000
6 1450
9 2070
12 2650
FDA400-RV 3 1200
6 1650
9 2330
12 2830
FDA500-RV 3 1400
6 1900
9 2620
12 3100
FDA600-RV 3 1780
6 2250
9 2900
12 4050
Structure Air Change times
Office; Classroom 3 - 8
Rest room 10 - 13
Restaurant 2 - 5
Gymnasium 4 - 10
Warehouse 8 - 15
Paint Room 20 - 30
Conference Hall 6 - 12