Spiral duct is a spiral air duct, which is a thin-walled tube with spiral bite made of metal coil. It has many advantages, such as smooth appearance, few connection points, convenient installation, low ventilation resistance, low noise and so on. It is widely used in various fields, mainly for air supply, cold air supply, oil fume exhaust, dust removal, bulk material transportation and so on.
Our Square Lock Hose and Machinery offer unmatched versatility with sizes ranging from ID6 to ID103, catering to diverse industrial applications.
The Interlock Hose and Machinery are designed for robust performance, available in sizes from ID3 to ID350mm, crafted on specialized machinery to ensure precision and durability.
Discover the superior design of our Annular and Corrugated Metal Hoses, available from ID8 up to ID600, each produced with cutting-edge technology on varied machines for optimal application.
|
Material
|
Stainless Steel / Galvanized Steel
|
|
DN
|
38-500mm
|
|
Strip thickness
|
0.25-0.5mm
|
|
Shape
|
Round/Polygon
|
|
Application
|
Exhaust pipe
|
|
Strip width
|
16,20,38 mm
|
Trust in the quality and credibility of our products, backed by prestigious certifications such as ISO 9001, SGS, and CE, among others.
Our products are meticulously packaged to ensure maximum protection. The inner layer is shielded with waterproof paper while the outer layer is encased in sturdy iron packaging, all securely fastened on fumigated wooden pallets. This robust packaging strategy effectively safeguards against corrosion during ocean transport. Additionally, we offer customized packaging solutions tailored to your specific needs.
Dezhou Linghao Refrigeration Equipment Co., Ltd., since its establishment, has always been technology-oriented, and has risen rapidly in the field of ventilation and air conditioning equipment. All products have obtained production licenses for related industrial products. After five years' efforts and continuous expansion, the main products are galvanized sheet air duct, stainless steel air duct, flame retardant air duct, fire-proof smoke exhaust air duct, fire-proof smoke exhaust fan, centrifugal smoke exhaust bellows, fire valve, aluminum alloy tuyere, air duct soft connection, axial flow fan, mixed flow fan and other central air conditioning ventilation terminal products. Our company is a technical enterprise integrating design, development, production, sales, installation and after-sales, with a complete industrial chain. We always adhere to the principle of "survival by quality and development by innovation".
Q: Can you send samples?
A: Of course, we can send samples to all over the world, our samples are free, but customers need to afford the express cost.
Q: What product information do I need to provide?
A: You need to provide the grade, size and quantity you need to purchase.
Q: What shipping ports are there?
A: Generally, we ship from Shanghai, Tianjin, Qingdao ports, and other ports can also be selected according to your needs.
Q: About the product price?
A: Due to the cyclical changes in raw material prices, prices vary in different periods.
Q: What certifications do your products have?
A: We have ISO 9001, SGS, CE and other certifications.
Q: How do you ship the goods and how long does it take to arrive?
A: Samples are usually shipped by DHL, UPS, FedEx or TNT. Airline and sea transportation are also optional, we will provide you with the fastest transportation plan according to the situation.
Q: Can I visit your factory?
A: Of course, we welcome customers from all over the world to visit our factory.
Q: Is there any quality inspection before product loading?
A: Of course, all of our products have been strictly inspected for quality before packaging, and unqualified products will be destroyed.
Q: How is the product packaged?
A: The inner layer has waterproof paper and the outer layer has iron packaging, and it is fixed with fumigated wooden pallets. It can effectively protect products from corrosion during ocean transportation. Of course, we can also customize special packaging according to your requirements.
Audited Supplier 
){kind=link}