Ceiling mounted silent unidirectional flow fresh air ventilation fan ventilation system Centralized ventilation system
- Category: >>>
- Supplier: Hunan Dinghan Environmental Protection Technology Co. Ltd.Hunan Ltd.
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Product Overview
Description
Product Description
Silent type fresh air ventilation system
Lower noise Adopting high quality two-speed motor, low noise, maintenance-free, ontinuous operation.
Convenient installation Equipped with superior construction hardware accessories, the installation direction is free and easy.
Superb craftsmanship The shell is made of high-quality steel plate with high-end production technology.
Complete functions High static pressure, long conveying distance and good effect.
High-efficiency design Bi-directional inhalation type thousand-leaf turbine design, high efficiency and large air volume.
High-efficiency design Bi-directional inhalation type thousand-leaf turbine design, high efficiency and large air volume.
Specification
Model | Air volume (m3/h) | power (w) | rated voltage (v) | static (dB) | static pressure (Pa) | ||||
limit | lower limit | limit | lower limit | ||||||
DFJ-20 | 200 | - | 20 | 220 | 26 | - | 110 | ||
DFJ-35 | 350 | 250 | 40 | 220 | 27 | 25 | 130 | ||
DFJ-50 | 500 | 400 | 60 | 220 | 29 | 26 | 160 | ||
DFJ-80 | 800 | 620 | 100 | 220 | 35 | 32 | 200 | ||
DFJ-100 | 1000 | 770 | 120 | 220 | 36 | 31 | 240 | ||
DFJ-150 | 1500 | 900 | 220 | 220 | 41 | 36 | 320 | ||
DFJ-200 | 2000 | 1700 | 300 | 220 | 46 | 42 | 440 | ||
Model | sizes（MM） | Air vent size（MM） | Lifting Size （MM） | Weights (KG) | ||||
L | W | H | ||||||
DFJ-20 | 420 | 291 | 206 | Φ100 | 339*227 | 7 | ||
DFJ-35 | 420 | 291 | 206 | Φ150 | 339*227 | 8 | ||
DFJ-50 | 455 | 311 | 232 | Φ150 | 374*247 | 11.5 | ||
DFJ-80 | 601 | 419 | 255 | Φ200 | 480*355 | 12 | ||
DFJ-100 | 601 | 419 | 255 | Φ200 | 480*355 | 19.5 | ||
DFJ-150 | 630 | 460 | 300 | Φ250 | 509*396 | 21 | ||
DFJ-200 | 665 | 497 | 317 | Φ250 | 544*430 | 31 | ||
Galvanized steel sheet
Galvanizing effectively prevents steel
corrosion and extends service life with
low maintenance costs.
corrosion and extends service life with
low maintenance costs.
Metal plate
Sheet metal is characterized by light
weight, high strength, warp, and good
mass production performance.
weight, high strength, warp, and good
mass production performance.
Packing & Delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Company Profile
FAQ
1Q:Are you manufacturer or trader？Where are your factory located？
A: We are manufacturer with professional designers and engineers. Our factory is located in Zhuzhou, Hunan, China
2Q: I can’t find the product on your catalogue, can you make this product for me?
A: Our catalogue shows most of our products, but not all. So just let us know what product do you need, and how many do you want.
If we do not have it, we can also design and make a new mould to produce it. For your reference, making an ordinary mould willtake about 35-45 days.
3Q：Can you make customized products and customized packing?
A: Yes. We made a lot of customized products for our customer before. About customized packing, we can put your Logo or other info on the packing if you can meet our MOQ.
.
4Q： How could I get a sample?
A:We do not provide free sample, if you are interested in our products please contact our customerservice, she can tell you thedetails of the sample.
5Q： How to guarantee the quality of your products?
A: 1) Strict detection during production.
2) Strict sampling inspection on products before shipment and intact product packaging ensured.
6Q：I need your price list of all your products, do you have a price list ?
A: Please send us your message and submit, then we will send your interested products' price list as soon as possible.
7Q：Do you have a guarantee of your product quality?Can we extend?
A: We have a guarantee of One years.Warranty can be extended with extra charge.
8Q：Can you provide drawing design service?
A: Yes, we have a professional ventilation system engineering team to design and optimize the solution for your project.
A: We are manufacturer with professional designers and engineers. Our factory is located in Zhuzhou, Hunan, China
2Q: I can’t find the product on your catalogue, can you make this product for me?
A: Our catalogue shows most of our products, but not all. So just let us know what product do you need, and how many do you want.
If we do not have it, we can also design and make a new mould to produce it. For your reference, making an ordinary mould willtake about 35-45 days.
3Q：Can you make customized products and customized packing?
A: Yes. We made a lot of customized products for our customer before. About customized packing, we can put your Logo or other info on the packing if you can meet our MOQ.
.
4Q： How could I get a sample?
A:We do not provide free sample, if you are interested in our products please contact our customerservice, she can tell you thedetails of the sample.
5Q： How to guarantee the quality of your products?
A: 1) Strict detection during production.
2) Strict sampling inspection on products before shipment and intact product packaging ensured.
6Q：I need your price list of all your products, do you have a price list ?
A: Please send us your message and submit, then we will send your interested products' price list as soon as possible.
7Q：Do you have a guarantee of your product quality?Can we extend?
A: We have a guarantee of One years.Warranty can be extended with extra charge.
8Q：Can you provide drawing design service?
A: Yes, we have a professional ventilation system engineering team to design and optimize the solution for your project.
9Q：Do you have technical support?
A: We have professional technical team to answer technical question.
10Q：Can you provide installation accessories along withequipment?
A: Yes, of course. This is one of our standard services, we can calculate and quote you needed VRF installation kit
11Q：What is your delivery time?
A: For the standard unit, about 35-40days
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