Key specification for this for outdoor duct fan: material Aluminum, type Shutters. Everything below is reproduced from the factory data sheet. Made by Kunshan Yashengou Intelligent Sunshade Technology Co., Ltd. (5 years on the platform, typical reply ≤3h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This For Outdoor Duct Fan
- Model Number: YASHO-JL-1230
- Material: Aluminum
- Warranty: 2 Years
- Place Of Origin: Jiangsu, China
- Application: Outdoor
- Feature: Hand Roll-up and Roll-down
Technical Specifications
| Application | Outdoor |
|---|---|
| Type | Shutters |
| Material | Aluminum |
| Opening Pattern | VERTICAL |
| Design Style | Modern |
| Project Solution Capability | graphic design, 3D model design, total solution for projects, Cross Categories Consolidation, Others |
| Warranty | 2 Years |
| After-Sale Service | Online Technical Support, Free Spare Parts, Other |
| Place Of Origin | Jiangsu, China |
| Brand Name | YASHO |
| Model Number | YASHO-JL-1230 |
| Product Name | Gravity louver shutter |
| Color | White, Grey, Black, Brown and Customized |
| Wind-Resistant | 10 degree |
| Function | Sunshade, ventilation ,Decoration etc |
| Accessories | Stainless Steel/Aluminum Material |
| Certificate | ISO9001:2015. TUV |
| Shutter Size | Customize |
| Feature | Hand Roll-up and Roll-down |
| Support | Technical and Quality and Service and Price |
| Factory | More than 10 years |
| Selling Units | Single item |
| Single Package Size | 52X63X6 cm |
| Single Gross Weight | 2.7 kg |
Product Details
Barometric/Gravity Damper Aluminum alloy Gravity Shutters for Duct Fan Exhaust Hood Range Hood Exhaust Fan Air Vent

Gravity louver shutter
It applies to air conditioning room with positive pressure. It exhausts air automatically. Usually the blade is vertical, it isolates the air circulation between indoor and outdoor. When the indoor pressure is bigger than the outdoor pressure, the air flow blows the blade and the inside air is exhausted. The air isn’t able to flow into room if the indoor pressure is smaller than outdoor pressure. It has single-track non-return function. Air volume damper that adjust air volume and air speed or filter that decrease dust and purify air can be set up in the back of air outlet according to customer’s requests.
We use high quality extruded aluminum to produce the gravity louver which is usually used on the outside of walls. This aluminum louver design is intended for air extraction and automatic closet of duct, when the air equipment is switched off.
GL-VA gravity louver has been anodized. It can be accurately adjusted for smooth performance. Optional colors are RAL9010 and RAL9016. Only when the exhaust fan is running that the blades of this type air louver can be opened. The blades will close automatically to preventing rains , dust, insects from getting inside rooms, one the exhaust fan is turned off.


Features:
*Made of high quality extruded aluminum profiles.
*Movable and flexible blades design.
*Opposed blades damper optional.
*Color RAL9010 or RAL9016, or Anodized.
*Mounted in exterior wall and used for exhaust or air intake.
Surface Finish:
*Powder coated color finish as per RAL color–standard color: RAL9016, 9010, other stabdard RAL color is also available
*Natural anodized aluminum finish
*Material thickness: 1.0mm
*Size as customized
Sample picture shows:












Kunshan Yashengou Intelligent Sunshade Technology Co., Ltd. established in 2014, is one of the professional manufacturers about R&D, production and sale of shutters, outdoor sunshade roller curtain, pergola, skylights, window opener and intelligent control system. We are located in kunshan of Suzhou city with convenient transportation access. Dedicated to strict quality control and thoughtful customer service, adhering to the business principle of mutual benefits, we have had a reliable reputation among our customers because of our professional services, quality products and competitive prices. we are always available to discuss your requirements and ensure customers satisfaction. In terms of raw materials, a lot of careful and rigorous screening work has been carried out to select high-quality, durable and guaranteed, and several compliance tests have been carried out.


In addition, we have obtained lots of invention patents and ISO9001 certificate. Selling well in all cities and provinces around China, our products are also exported to clients in such countries and regions as U.A.E, Saudi Arabia, Kuwait, Singapore, Cambodia, Turkey, Zambia, Nigeria, Australia, Europe and America etc. OEM and ODM are accepted by us. Meanwhile, we have more than 8 years of OEM experience. We have two production and assembly lines for aluminum alloy louvers, pergola and outdoor sunshade roller curtain, one production assembly line for skylights. And our own brand window opener and intelligent control system. The annual comprehensive production capacity reaches more than 100,000 square meters.


We can provide the different kinds of aluminum alloy hollow flat shutters / louvers to you. Meanwhile, we can also do it as your requirement or drawings.
And, we have many different other styles of shutters and louvers. Such as, stainless steel shutters / louvers, glass shutters / louvers, stainless steel shutters / louvers. aerofoil shutters / louvers, skylights and window opener.






CONTACT US


Zoe Chen
ADD: No.18, Fuyang Road, Zhoushi Town, Kunshan city of Suzhou, Jiangsu Province, China.215300
FAX: 86-512-57811533
MOBILE:86-18118923242
Ordering and Pricing
- Minimum order quantity: 5 square meter
- Volume pricing:
- 5–198 square meter: US $82 / square meter
- 199–298 square meter: US $73 / square meter
- 299–498 square meter: US $64 / square meter
- 499+ square meter: US $58 / square meter
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this for outdoor duct fan?
The standard minimum order quantity is 5 square meter. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 2 Years warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this for outdoor duct fan carry?
It is supplied with ISO9001:2015. TUV documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Kunshan Yashengou Intelligent Sunshade Technology Co., Ltd., based in China. The company 5 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Kunshan Yashengou Intelligent Sunshade Technology Co., Ltd. range on HVACR Nexus.
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