What are the available insulation materials?

Standard Insulation Material is glass wool 15mm / 25mm thickness, 32 kg/m3. Other tickness and material are available upon request.

What is the working pressure range for the ducts?

Duct Working Pressure: - 3000 Pa - + 5 000 Pa.

What materials are used for the ducts?

Material: galvanized steel, stainless steel, aluminium, Galvalume Zinc.

Ventilation Ductwork Pre-Insulated Spiral Duct for HVAC Systems

Name: Ventilation Ductwork Pre-Insulated Spiral Duct for HVAC Systems
Brand: Guangzhou Octovent Cooling Equipment Co., Ltd
SKU: 2209842785

Guangdong, ChinaGuangzhou Octovent Cooling Equipment Co., Ltd

US$0.95

100 meters

Product profile

Customization

Available

Material

Galvanized Steel

Usage

HVAC Systems

Model NO.

OCT-DT-S

Type

Spiral Duct

Venetian-Style Air Layers

Installation

Outlet

Warranty

None

Standard

Dw144, Smacna, Eurovent

Project Solution Capability

Graphic Design

Design Style

Modern, Industrial

After-Sale Service

Return and Replacement

Material Thickness

0.5~2.5mm

Insulation Material

Fiber Glass,Rock Wool,Rubber

Product Name

Pre-Insulated Spiral Duct

Feature

Anti-Corrosion

Standard Length

3m 4m 5m 6m

Application

Villa, Hotel, Apartment, Office Building, Hospital

Diameter

80-2500 mm

Transport Package

Carton or Pallet

Trademark

Octovnet

Origin

China

Key features

High-Grade Insulation: Standard glass wool 15mm/25mm, 32 kg/m3 density. Other materials and thicknesses available upon request.

Wide Diameter Range: Spiral duct diameter ranges from 80mm to 2,500mm to suit various HVAC system requirements.

Strict European Standards: Manufactured according to DW144 standard with Air Leakage Limit Level reaching Class D of DW143.

High Pressure Resistance: Duct working pressure withstands -3000 Pa to +5000 Pa for robust performance in HVAC systems.

Versatile Material Options: Available in galvanized steel, stainless steel, aluminium, and Galvalume Zinc for anti-corrosion.

Factory Direct Supply: Direct manufacturer providing competitive pricing and direct communication without trading company markup.

Flexible Payment Terms: Supports T/T, Western Union, Money Gram, L/C, and PayPal for convenient transaction options.

Free Sample Availability: Free samples offered to customers, though freight costs are borne by the buyer.

Company profile

Flexible CustomizationYears of Export ExperienceQuality AssuranceR&D Capabilities

Guangzhou Octovent Cooling Equipment Co., Ltd

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-09-09Nearest Port: Nansha, Shenzhen, ShanghaiAverage Response Time: ≤8.20hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAP, FCA

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization and product development capability, including full, design-based, sample-based, minor, and flexible customization, with new products developed in the past year and ODM services available. It holds ISO 9001 certification and reports quality assurance, documented corrective-action and complaint-handling procedures, and 12 years of export experience, with exports representing 90% of sales. However, quality control resources appear limited: one inspection staff member, no listed testing equipment, and finished products checked by packing staff. Financial credibility cannot be established because the provided financial records show zero values across the stated periods. The supplier has inventory capacity and a one-month lead time in both peak and off-season, but lacks overseas warehouses, showrooms, agents, branches, and offline trade-show participation. The company describes ventilation duct references in land and marine construction and dust-extraction projects, but...

Supplier typeThe supplier is presented as a ventilation-duct manufacturer with its own import-export rights, inventory capacity, and a strong export orientation: exports account for 90% of sales and exporting has continued for 12 years. It does not operate overseas warehouses, showrooms, agents, or branches, so it appears primarily to serve customers directly from its home-country operation.

CertificationsThe supplier reports ISO 9001 certification for its management system. Its products are also stated to comply with SMACNA and European Standard DW144 and Eurovent, although the provided information does not identify separate product certificates.

After-Sales capabilityThe supplier has documented and followed procedures for handling customer complaints and corrective and preventive actions, supporting a formal after-sales response process. However, it has no overseas agents or branches and offers overseas services in zero countries, which may limit localized support.

Financial creditThe provided financial information reports zero operating revenue, operating cost, profit, gross margin, and current ratio for the stated periods, including the last one, two, and three years. These figures do not provide positive evidence of financial strength, while the dataset does not explain whether they reflect actual performance or incomplete reporting.

R&D capabilityThe supplier reports new products within the past year, offers ODM services, and supports multiple forms of customization. It has one R&D engineer whose stated responsibility is preparing samples to customer requirements, but no SDK is available and the disclosed R&D staffing is limited.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, supported by ODM availability and an R&D engineer who prepares samples according to customer requirements. Accepted quotation terms include FOB, CIF, CFR, and EXW, indicating flexibility in commercial delivery arrangements.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a factory.

Q:How long is your delivery time?

Generally it is 5-10 days if the goods are in stock. or it is 15-45 days if the goods are not in stock, it is according to quantity.

Q:Do you provide samples? is it free or extra?

Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q:What is your terms of payment?

T/T, Western union, Money Gram, L/C, Paypal and etc.

Q:What standards does the spiral duct system meet?

Our spiral duct system has been manufactured according to Europe Standard DW144. The Air Leakage Limit Level reaches the highest level Class D of DW143 Standard.