- Overview
- FAQ
Basic Info.
Product Description
1.It is 2/3 the size and half the weight of centrifugal fan with the same air volume. The mounting mode can be vertical, horizontal and suspended.
2.This type of fan is equipped with special motor cooling system: built-in air-cooled motor.
3.The type can be horizontal or vertical;Power supply:380v50hz.
4.Advanced pneumatic blades (forward or backward) reduce noise at 8-10 dB (A), and power 6%.
5.When the temperature of the main air duct medium is 280 ºC, it can run continuously for more than 30 minutes; when the temperature is under 150 ºC, it can run under long-term continuous operation.
6.DTF fan series are applied with standards jointly issue by Bureau of Technical Supervision and the Ministry of Construction as follows:Code for fire protection design of high -rise buildings (GB50045-95),Code for fire protection design of garage and parking (GB50067-97)
7.Four series models: 1 single speed under normal pressure 2 two speed under normal pressure 3 single speed under intermediate pressure 4 two speed under intermediate pressure 5 single speed under low pressure



1.What is the use of assistant tank in solar water heater?
A special quality assistant tank is design to control moxing of hot and cold water. Assistant tank increase the efficiency of
systems. Also there is no need of additional air vent, which reduce the cost of plumbing.
2. What is auxiliary tank solar geyser?
Assistant Tank For Solar Water Geyser is specially designed for non-pressure solar water heaters, it works mechanically without manual operation, avoiding water overflow when manual water refilling. With an assistant tank the solar water heater is always full of water.
3. What is the maintenance required?
Solar water heaters with assistant tank require minimal maintenance. Regular cleaning of the collector and the assistant tank is recommended to ensure the system runs efficiently. An annual check-up by a professional is also recommended.