Are you in the market for high-quality spiral duct fabrication? With so many factories in China, how do you choose the right one? Understanding the top players in this industry is crucial for ensuring you get the best products and services. By comparing these factories, you can save time and money while ensuring superior quality for your projects. Imagine having the confidence to select a factory that meets your needs perfectly! Dive into our comprehensive comparison to discover the best spiral duct fabrication factories in China and make an informed decision today!

BLKMA: Auto Duct Production Line, Square & Spiral & Round Duct Making …

China Spiral Ducts and Fittings, Ventilation Mounting Accessories …

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

Technical Parameters:
– High level automation
– ISO 9001 certified

Application Scenarios:
– HVAC systems
– Refrigeration installations

Pros:
– Competitive pricing
– Fast delivery

Cons:
– Low MOQ for first order
– Quality may vary based on customization

Spiral Ducts and Fittings – SUPERAIR GROUP LIMITED

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

Technical Parameters:
– Manufactured from high quality galvanized steel
– Sealing performance exceeds industry standard D-level

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

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

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

China High Quality Spiral Ducts Manufacturers and Suppliers – SuperAir

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

Technical Parameters:
– Diameter(mm): 80, 100, 125, 150, 160, 200, 250, 315
– Thickness(mm): 0.5/0.6/0.75/1.0

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.

Galvanized Spiral Duct, Galvanised Ductwork Manufacturer

Product Details: Galvanized spiral ducting is a type of duct made from galvanized steel or aluminum, used for various ducting purposes.

Technical Parameters:
– Diameter ranges from 80 mm to 2000 mm
– Thickness options: 0.4/0.5/0.6/0.8/1.0/1.2/1.5/2.0 millimeters

Application Scenarios:
– Dust collection in industries such as furniture
– Ventilation in industrial settings and large commercial buildings

Pros:
– Flexible and allows for easier contraction and expansion
– Rust resistant and has an attractive appearance

Cons:
– No standard design available
– May require insulation due to heat conductivity

China Duct Spiral Suppliers, Manufacturers, Factory – CSPG

Product Details: Duct Spiral is a type of spiral welded pipe used for various applications, including structural and liquid transport.

Technical Parameters:
– Grades: 20#, 35#, 45#, Q345B, 16Mn, 20Mn2, 25Mn, 30Mn2, 40Mn2, 45Mn2, SAE1018, S…
– High pressure boiler tube grades include 20G, 15MnG, 20MnG, 15CrMoG, and various…

Application Scenarios:
– Used in construction and structural applications.
– Applicable for high-pressure liquid transport.

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

Cons:
– Production standards for straight welded pipes are less stringent.
– Higher probability of welding hazards in straight welded pipes.

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
– Structure pipe, water and gas, also for chemical industry

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

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

HOME | Spiral Products

Product Details: Single & Double Wall Spiral Duct & Rectangular Duct

Technical Parameters:
– Fabricated to meet SMACNA 2005 HVAC Duct Construction Standards
– Available in 4” – 24” diameters

Application Scenarios:
– HVAC industry for commercial projects
– Residential projects requiring ductwork

Pros:
– Quality workmanship with quick turnaround
– Competitive pricing and in-house fabrication

Cons:
– Limited service area primarily in central North Carolina
– Potential delays for custom specifications

Philippine Spiral Duct Manufacturing, Inc. – PSDMI

Cen-Tex Spiral Pipe

Product Details: Custom ductwork including spiral and rectangular options, available in various materials.

Technical Parameters:
– Available materials: Aluminum, Steel, Stainless Steel, Black Iron
– Custom cut sizes and shapes

Application Scenarios:
– Industrial duct systems
– Dust collection systems

Pros:
– 100% custom fabrication
– Wide range of materials and fittings available

Cons:
– Potentially longer lead times for custom orders
– Higher cost compared to standard ductwork

Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
BLKMA: Auto Duct Production Line, Square & Spiral & Round Duct Making …				www.blkma.com
China Spiral Ducts and Fittings, Ventilation Mounting Accessories …	Spiral ducts and fittings, ventilation mounting accessories, air conditioning installation components.	– Competitive pricing – Fast delivery	– Low MOQ for first order – Quality may vary based on customization	www.hvacsupplychina.com
Spiral Ducts and Fittings – SUPERAIR GROUP LIMITED	SuperAir is a professional manufacturer and supplier of Spiral Ducts and Fittings in China, specializing in HVAC products and ventilation projects.	– Weld-free design with no air or water leakage – Higher quality and technology standards than China’s national standards	– Limited information on specific dimensions and weights – Potentially higher cost compared to traditional ducts	www.hvacsupplychina.com
China High Quality Spiral Ducts Manufacturers and Suppliers – SuperAir	Spiral ducts are made from galvanized steel with nibbled seaming process. Standard lengths are 3m, 4m, and 5m. Special lengths and thicknesses are ava…	– Good sealing properties. – Low ventilation resistance and noise.	– Limited to specific diameters and thicknesses. – May require specialized installation.	www.hvacsupplychina.com
Galvanized Spiral Duct, Galvanised Ductwork Manufacturer	Galvanized spiral ducting is a type of duct made from galvanized steel or aluminum, used for various ducting purposes.	– Flexible and allows for easier contraction and expansion – Rust resistant and has an attractive appearance	– No standard design available – May require insulation due to heat conductivity	buyductings.com
China Duct Spiral Suppliers, Manufacturers, Factory – CSPG	Duct Spiral is a type of spiral welded pipe used for various applications, including structural and liquid transport.	– Better plastic deformation capacity compared to straight welded pipes. – Continuous inspection during production ensures high welding quality.	– Production standards for straight welded pipes are less stringent. – Higher probability of welding hazards in straight welded pipes.	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 options – Potential for corrosion if not treated	www.cnspipes.com
HOME	Spiral Products	Single & Double Wall Spiral Duct & Rectangular Duct	– Quality workmanship with quick turnaround – Competitive pricing and in-house fabrication	– Limited service area primarily in central North Carolina – Potential delays for custom specifications
Philippine Spiral Duct Manufacturing, Inc. – PSDMI				www.philippinespiral.com
Cen-Tex Spiral Pipe	Custom ductwork including spiral and rectangular options, available in various materials.	– 100% custom fabrication – Wide range of materials and fittings available	– Potentially longer lead times for custom orders – Higher cost compared to standard ductwork	www.cen-texspiralpipe.com

Frequently Asked Questions (FAQs)

1. What is spiral duct fabrication?

Spiral duct fabrication involves creating cylindrical ducts used for HVAC systems. These ducts are made from metal sheets that are rolled and welded into a spiral shape, providing efficient airflow and reducing air leakage.

2. Why choose a factory in China for spiral duct fabrication?

China offers competitive pricing, advanced manufacturing technology, and a wide range of suppliers. This allows you to find high-quality products at lower costs, making it an attractive option for businesses looking to source spiral ducts.

3. How do I ensure quality in spiral duct products?

To ensure quality, look for factories with ISO certifications and positive customer reviews. Request samples and inspect the manufacturing process. Establish clear communication about your specifications and quality standards.

4. What are the typical lead times for spiral duct fabrication?

Lead times can vary based on the factory’s workload and your order size. Generally, you can expect production to take anywhere from 2 to 6 weeks. Always confirm timelines with the factory before placing an order.

5. Can I customize the spiral ducts for my project?

Yes, most factories offer customization options. You can specify dimensions, materials, and finishes to meet your project requirements. Be sure to communicate your needs clearly to ensure the final product matches your expectations.