How do I install your chimney systems?

Installation should be done by certified professionals following local building codes. We provide detailed installation manuals, drawings, and technical support. For complex projects, we offer on-site guidance or engineering consultation.

Can your chimneys be customized for special sizes or shapes?

Yes, we support full customization: lengths, diameters, bends, offsets, supports, and special coatings. Lead time for custom orders is usually 4-8 weeks.

How long is the warranty for your products?

To ensure your peace of mind, Rainbow stainless steel chimney systems come with a warranty of up to 20 years.The surface finish of black painted and powder-coated pipes is covered by a 2-year warranty.

Double Wall Stainless Steel Stove Chimney Flue Pipes with Spigot Lock System

Name: Double Wall Stainless Steel Stove Chimney Flue Pipes with Spigot Lock System
Brand: Suzhou Rainbow Environmental Equipment Co., Ltd.
SKU: 803996745

Jiangsu, ChinaSuzhou Rainbow Environmental Equipment Co., Ltd.

US$25.00-50.00

50 Pieces

Product profile

Customization

Available

After-sales Service

Online Support

Warranty

Online Support

Model NO.

Chimney Flue Pipes with Spigot Lock System

Type

Welded

Technique

Argon-Arc Welding

Material

Stainless Steel &Carbon Steel

Surface Treatment

Polished

Usage

Pipeline Transport, Oil/Gas Drilling, Indoor & Outdoor

Section Shape

Round

Size

5"6"7"8"10"11"12"

Style

Modern

Color

Sliver & Black Can Be Customized

Making Method

Custom Mantel

Adjustable Thermostat

Without Automatic Thermostat

Overheating Protected

Without Overheating Protection

Remote Control

Without Remote Control

Certification

Transport Package

Pearl Wood +Plastic Bag+ Box+Pallet+Container.

Specification

CE, V2 by TUV Germany

Trademark

Rainbow

Origin

Suzhou, Jiangsu Province, China

HS Code

73269090

Production Capacity

35000PCS/Month

Key features

High Temperature Resistance: Manufactured with high-quality stainless steel materials, our fireplace chimney pipes are designed to withstand high temperatures and ensure safe and stable operation.

Excellent Corrosion Resistance: Made from durable stainless steel such as 304/316 stainless steel, providing excellent resistance against corrosion, moisture, and harsh operating conditions.

Safe Smoke Exhaust: Designed to efficiently remove smoke and combustion gases from fireplaces, improving indoor air quality and preventing harmful gas buildup.

Double Wall Insulated Design: Double-wall construction with insulation helps reduce heat transfer, protect surrounding structures, and maintain efficient exhaust performance.

Easy Installation: Modular components and connection systems allow for quick installation and easy maintenance.

Multiple Applications: Suitable for wood-burning fireplaces, pellet stoves, and other residential heating appliances.

Certification Compliance: Designed and manufactured according to international safety standards, including UL certification requirements for North American markets.

Company profile

Suzhou Rainbow Environmental Equipment Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2008-01-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.82h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummarySuzhou Rainbow Environmental Equipment Co., Ltd. is a China-based supplier established in 2009, with stated experience in chimney and pipe manufacturing. The available information describes eight production lines, a 21,019 m² manufacturing area, stated output of 1,000,000 sets of stainless and carbon steel pipes, and export markets spanning domestic sales, Europe, Australia, and North America. The supplier reports ISO9001:2015 and ISO14001:2015 certification, 142 national patents, laser-welding and TED technology, and a quality-control team of 21–30 staff. Evidence also indicates products sold in multiple overseas markets. However, the records contain inconsistent company names, business classifications, facility sizes, and production-capacity figures. After-sales processes, financial credibility, and customization capability are not sufficiently documented.

CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 certificates, plus unspecified additional certifications. These stated management-system certifications support quality and environmental-management capability.

R&D capabilityThe supplier claims 30 years of research-and-development, production, and sales practice, 142 national patents, five years of R&D-engineer experience, and use of TED and laser-welding technology. These are explicit indicators of engineering and innovation activity, although the records do not independently validate the claims.

Production capacityProduction capability is supported by eight production lines, a stated 21,019 m² manufacturing area, reported output of 1,000,000 sets of stainless and carbon steel pipes, and claimed monthly capacities of 58,000 pieces or 30,000 sets. Because the facility-size and capacity figures conflict across slices, capability is evidenced but not consistently quantified.

Client casesThe supplier reports sales or export coverage in domestic markets, Europe, Australia, North America, the USA, Germany, Japan, Korea, Italy, the Netherlands, Denmark, and South Africa. These destinations indicate international market experience, but no named customers, project references, order examples, or independently verifiable case studies are provided.

Product Q&A

Q:What materials are your chimneys made of?

304 or 316 stainless steel, which provides excellent corrosion resistance, high-temperature tolerance , and long service life (20-50 years depending on application).

Q:What is the difference between 304 and 316 stainless steel chimneys?

304 is suitable for most indoor/residential and general industrial use with good corrosion resistance. 316 offers superior resistance to chlorides and acids, ideal for coastal areas, chemical plants, or high-moisture environments.

Q:What applications are your chimneys suitable for?

Our prefabricated stainless steel chimneys are designed for boilers, generators, fireplaces, wood-burning stoves, HVAC systems, industrial furnaces, high-rise buildings, stadiums, airports, and power plants.

Q:Is the price negotiable?

We offer highly competitive, tailored pricing based on order volume, custom specifications, payment terms, and partnership duration. We look forward to discussing your specific requirements and providing a personalized quotation.

Q:Do you provide complete chimney solutions (prefabricated kits)?

Yes, we offer full systems including pipes, elbows, tees, supports, rain caps, adapters, and custom fittings for easy installation.