Are you in the market for high-quality spiral ducts and wondering where to find the best manufacturers? With so many options available, comparing the top factories in China is essential for making an informed decision. Understanding the strengths and specialties of these manufacturers can save you time and money while ensuring you get the best products for your needs. Imagine having access to reliable suppliers that meet your quality standards and budget. Ready to discover the leading spiral duct manufacturers? Let’s dive in and explore your best options!

China High Quality Spiral Ducts Manufacturers and Suppliers – SuperAir

Product Details: Spiral ducts are made from galvanized steel with a nibbled seaming process. Standard lengths are 3m, 4m, and 5m. Special lengths and thicknesses are available on request.

Technical Parameters:
– Diameter: 80mm to 315mm
– Thickness: 0.5mm to 1.0mm

Application Scenarios:
– HVAC systems
– Dust collection systems

Pros:
– Good sealing properties
– Low ventilation resistance and noise

Cons:
– Limited to specific diameters and thicknesses
– May require specialized installation knowledge

China Spiral Ducts and Fittings, Ventilation Mounting Accessories …

Product Details: Spiral ducts and fittings, ventilation mounting accessories, air conditioning installation components.

Technical Parameters:
– Material: Galvanized Steel
– Size: Various diameters and lengths available

Application Scenarios:
– HVAC systems in residential buildings
– Industrial ventilation systems

Pros:
– High quality and durable materials
– Competitive pricing due to automation

Cons:
– Limited customization options
– Potential delays in delivery during peak seasons

China Spiral Ducts and Fittings Manufacturers and Suppliers – SuperAir

Product Details: SuperAir is a professional manufacturer and supplier of Spiral Ducts and Fittings in China, specializing in HVAC products and ventilation ductwork.

Technical Parameters:
– Manufactured from high quality galvanized steel
– Sealing performance exceeds industry standards

Application Scenarios:
– Air supply in ventilation systems
– Bulk material transport

Pros:
– Weld-free design with no air or water leakage
– Higher quality standards than China’s national standards

Cons:
– Limited information on specific dimensions
– Potentially higher cost compared to traditional ducts

China Large Diameter Spiral Duct Manufacturers Factory Suppliers

Product Details: Large Diameter Spiral Duct manufactured by Nanjing Newstar Plastic Industry Co., Ltd.

Technical Parameters:
– High Pressure Spiral Hose
– High Tensile Strength Compressible Spiral Hose

Application Scenarios:
– Underground ventilation for mines
– Tunnel ventilation systems

Pros:
– Reliable performance
– Durable and aesthetically pleasing

Cons:
– Limited information on specific dimensions
– Potentially high cost for small orders

China Duct Spiral Suppliers, Manufacturers, Factory – CSPG

Product Details: Duct Spiral Steel Pipe, available in various grades for structural, liquid, high pressure, pipeline, and alloy applications.

Technical Parameters:
– Grades: 20#, 35#, 45#, Q345B, 16Mn, 20G, API SPEC 5L, X42, X52, X60, etc.
– Processing: Galvanizing, cutting, making thread, with packing options including…

Application Scenarios:
– Used in construction and infrastructure projects requiring durable steel piping.
– Applicable in high-pressure environments such as boilers and pipelines.

Pros:
– High plastic deformation capacity compared to straight welded pipes.
– Continuous inspection during production ensures high welding quality.

Cons:
– Limited production standards for straight welded pipes may lead to quality issue…
– Potential for increased welding hazards in straight welded pipe production.

China Spiral Steel Duct Suppliers, Manufacturers, Factory – CSPG

Product Details: Spiral Steel Duct

Technical Parameters:
– Wall Thickness: 0.4 – 20 mm
– Outer Diameter: 19 – 300 mm

Application Scenarios:
– For oil pipe, line pipe in petroleum and natural gas
– Used in both factory and home buildings

Pros:
– High quality and skilled service
– Wide range of applications

Cons:
– Limited thickness range
– Potential for corrosion if not treated

China Spiral Duct Pipe Fittings Suppliers, Manufacturers, Factory – CSPG

Product Details: Spiral Weld Steel Pipe (SSAW Steel PIPE) with diameter ranging from 219mm to 3520mm and thickness from 5mm to 30mm.

Technical Parameters:
– Material: Q195, Q215, Q235, Q345(B, C, D, E)
– Certification: ISO9001, BV, API

Application Scenarios:
– Mechanical & manufacture
– Steel structure, Shipbuilding, Bridging, Automobile chassis

Pros:
– High quality and skilled service
– Wide range of sizes and materials available

Cons:
– Minimum order of 5 tons
– Lead time of 15-20 days

China Spiral Duct Machine,HVAC Duct Machine Manufacturer-hcyductmt.com

Product Details: High-quality supplier of air duct complete equipment solutions, specializing in spiral duct machines, air duct production lines, and other complete sets of air duct equipment.

Technical Parameters:
– Daily processing capability of 1000-2500 square meters for auto duct lines.
– Thickness of machined plates is 0.4-1.5mm for Pittsburgh lock forming machines.

Application Scenarios:
– HVAC systems for heating, ventilation, and air conditioning.
– Construction, bridges, tunnels, and steel structure processing.

Pros:
– Superior airflow, noise reduction, and energy efficiency compared to traditional…
– Durable construction with high-quality materials and advanced technology.

Cons:
– Initial investment cost may be high for small businesses.
– Requires skilled operators for optimal performance.

duct machine | lock former | spiral duct machine – Fengli Duct Machinery

Product Details: Duct machine, lock former, spiral duct machine – Fengli Duct Machinery

Technical Parameters:
– Parameter 1: Generic Value
– Parameter 2: Generic Value

Application Scenarios:
– Used in HVAC systems
– Applicable in industrial ductwork

Pros:
– High efficiency
– Durable construction

Cons:
– Requires skilled operation
– Initial investment cost may be high

China Spiral Duct Forming Machine, Round Duct Making Machine, Auto Duct …

Product Details: SBKJ GROUP specializes in the development and manufacture of machines for the production of round ducting and fittings in sheet metal, mainly for the climate and ventilation industry.

Technical Parameters:
– CE certification
– ISO9001:2008 certification

Application Scenarios:
– HVAC systems
– Ventilation systems

Pros:
– High quality machines
– Experienced staff with over 10 years in the industry

Cons:
– Limited information on specific machine capabilities
– Potential language barriers for international customers

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Comparison Table

Company	Product Details	Pros	Cons	Website
China High Quality Spiral Ducts Manufacturers and Suppliers – SuperAir	Spiral ducts are made from galvanized steel with a nibbled seaming process. Standard lengths are 3m, 4m, and 5m. Special lengths and thicknesses are a…	– Good sealing properties – Low ventilation resistance and noise	– Limited to specific diameters and thicknesses – May require specialized installation knowledge	www.hvacsupplychina.com
China Spiral Ducts and Fittings, Ventilation Mounting Accessories …	Spiral ducts and fittings, ventilation mounting accessories, air conditioning installation components.	– High quality and durable materials – Competitive pricing due to automation	– Limited customization options – Potential delays in delivery during peak seasons	www.hvacsupplychina.com
China Spiral Ducts and Fittings Manufacturers and Suppliers – SuperAir	SuperAir is a professional manufacturer and supplier of Spiral Ducts and Fittings in China, specializing in HVAC products and ventilation ductwork.	– Weld-free design with no air or water leakage – Higher quality standards than China’s national standards	– Limited information on specific dimensions – Potentially higher cost compared to traditional ducts	www.hvacsupplychina.com
China Large Diameter Spiral Duct Manufacturers Factory Suppliers	Large Diameter Spiral Duct manufactured by Nanjing Newstar Plastic Industry Co., Ltd.	– Reliable performance – Durable and aesthetically pleasing	– Limited information on specific dimensions – Potentially high cost for small orders	www.newstarventilation.com
China Duct Spiral Suppliers, Manufacturers, Factory – CSPG	Duct Spiral Steel Pipe, available in various grades for structural, liquid, high pressure, pipeline, and alloy applications.	– High plastic deformation capacity compared to straight welded pipes. – Continuous inspection during production ensures high welding quality.	– Limited production standards for straight welded pipes may lead to quality issue… – Potential for increased welding hazards in straight welded pip…	www.cnspipes.com
China Spiral Steel Duct Suppliers, Manufacturers, Factory – CSPG	Spiral Steel Duct	– High quality and skilled service – Wide range of applications	– Limited thickness range – Potential for corrosion if not treated	www.cnspipes.com
China Spiral Duct Pipe Fittings Suppliers, Manufacturers, Factory – CSPG	Spiral Weld Steel Pipe (SSAW Steel PIPE) with diameter ranging from 219mm to 3520mm and thickness from 5mm to 30mm.	– High quality and skilled service – Wide range of sizes and materials available	– Minimum order of 5 tons – Lead time of 15-20 days	www.cnspipes.com
China Spiral Duct Machine,HVAC Duct Machine Manufacturer-hcyductmt.com	High-quality supplier of air duct complete equipment solutions, specializing in spiral duct machines, air duct production lines, and other complete se…	– Superior airflow, noise reduction, and energy efficiency compared to traditional… – Durable construction with high-quality materials and advanced…	– Initial investment cost may be high for small businesses. – Requires skilled operators for optimal performance.	www.hcyductmt.com
duct machine	lock former	spiral duct machine – Fengli Duct Machinery	Duct machine, lock former, spiral duct machine – Fengli Duct Machinery	– High efficiency – Durable construction
China Spiral Duct Forming Machine, Round Duct Making Machine, Auto Duct …	SBKJ GROUP specializes in the development and manufacture of machines for the production of round ducting and fittings in sheet metal, mainly for the…	– High quality machines – Experienced staff with over 10 years in the industry	– Limited information on specific machine capabilities – Potential language barriers for international customers	www.spiraltubeformer.com

Frequently Asked Questions (FAQs)

1. What are spiral ducts, and why are they used?

Spiral ducts are cylindrical air ducts made from metal, typically used in HVAC systems for efficient airflow. Their design minimizes air resistance and noise, making them ideal for commercial and industrial applications. You’ll find them in buildings where effective ventilation is crucial.

2. How do I choose a reliable spiral duct manufacturer in China?

To choose a reliable manufacturer, look for certifications, customer reviews, and their production capabilities. It’s also helpful to request samples and visit their factory if possible. This way, you can ensure they meet your quality standards and production timelines.

3. What materials are commonly used for spiral ducts?

Spiral ducts are primarily made from galvanized steel, aluminum, or stainless steel. Galvanized steel is the most common due to its durability and cost-effectiveness. Aluminum is lightweight and resistant to corrosion, while stainless steel is used for high-end applications requiring superior strength and longevity.

4. What is the typical lead time for spiral duct production?

The lead time for spiral duct production can vary based on the manufacturer and order size. Generally, you can expect a lead time of 2 to 6 weeks. It’s best to discuss timelines upfront to ensure your project stays on schedule.

5. Are there any minimum order quantities for spiral ducts?

Many manufacturers have minimum order quantities (MOQs) to ensure cost-effectiveness. MOQs can range from a few hundred to several thousand units, depending on the manufacturer. Always check with the supplier to understand their specific requirements and negotiate if necessary.