Galvanized or Non-Galvanized Corrugated Metal Duct Steel Bellows for Construction and Bridge Spiral Pipe Solutions

• Customization: Available
• After-sales Service: Yes
• Warranty: 1-3 Years
• Model NO.: 40mm-130mm
• Certification: DIN, JIS, GB, BS, ASTM, AISI, ISO9001
• Function: Sound Insulation, Drainage, Protect, Support
• Position: Lower Structure
• Type: Main Beam
• Thickness: 0.3mm
• Length: 5.8m/PCS(Customisable)
• Dia: 40-130mm
• Surface Treatment: Galvanized
• Product to Be Used for: PC Strand Grouting Work
• Transport Package: Stardard Export Package
• Specification: 70x20mm, 90x20mm
• Trademark: JNFLEX
• Origin: Changzhou; Jiangsu; China
• HS Code: 72119000
• Production Capacity: 15000m/ Per Year
• Package Size: 580.00cm * 200.00cm * 150.00cm
• Package Gross Weight: 10.000kg

Product Description

Discover the superior durability and performance of our Galvanized Corrugated Pipe Post Tension Duct Metal Bellows, designed specifically for the rigorous demands of construction and bridge spiral pipe applications.
Optimize your construction projects with our 45mm Bridge Galvanized Metal Corrugated Pipe Post Tension Duct, engineered for exceptional strength and longevity.

Product Description

Product Specifications:

Category:	Round and flat
Dimension:	40-130mm
Application:	It's mainly used as the prestressed concrete structure, such as the large span railway and highway, bridge, crane girders, rock-soil anchoring engineering, multi-floor industrial plant, coal, sports venues, etc.
Packing:	With 5.8 meter loaded in 20ft Container or 11.8 meter per piece loaded in 40GP or 40HQ Container.
Deliery time:	Nomally within 20days after receiving the deposit or the copy of L/C at sight.
Length	Available upon request

corrugated round pipe	ID(mm)	45	50	55	60	70	80	85	95	105	115	120	130
	OD(mm)	50	55	60	65	75	85	90	100	100	120	125	135

Basic Information:

Diameter	40mm-130mm	Thickness	0.3mm
Trademark	JNFLEX	Length	5.8m/PCS(Customisable)
Origin	changzhou, China	Transport Package	Stardard Export Package
Surface Treatment	black and galvanized	Product to Be Used for	PC Strand Grouting Work
HS Code	72119000	Production Capacity	3000 Meters/ Per Day
Application	Construction Agriculture  Infrastructure Industrial Usage	Exporting Package:	With 5.8 meter loaded in 20ft Container

Corrugated Metal Duct Round (0.3mm thickness)
 

Our Corrugated Duct serves as an ideal duct former for diverse precast and cast-in-situ concrete works. Crafted from semi-rigid, hot-dipped galvanized metal, it boasts strength and durability for seamless casting into concrete. Easily positioned adjacent to reinforcing steel, it comes in diameters ranging from 40mm to 130mm and can be customized to meet specific length and diameter requirements. This versatile solution is perfect for post-tensioning ducts and precast connections, ensuring reliability and performance on every project.

Key Benefits and Features of Our Corrugated Ducts

1. Available in a wide range of diameters (ID 40mm to ID 130mm).

2. Customizable quantities to meet site-specific requirements.

3. Simplifies benchmarking and production scheduling.

4. Highly adaptable to customer needs - bendable and easily cut to required specifications.

5. User-friendly placement on site: designed for durability and toughness.

6. Enhanced corrosion resistance with hot-dip zinc coating.
 

Detailed Photos

 

Application

 

Company Profile

JNFLEX (CHANGZHOU) CO., LTD Strategically located in Changzhou City, Jiangsu Province, China, our company was established in 1995. We excel in offering flexible connection and protection solutions for a wide array of industries including construction, automotive, high-speed rail, steel metallurgy, and more. Our commitment to quality is validated by our ISO 9001 and IATF 16949 certifications, as well as our European Conformity (CE) certification.

Our state-of-the-art 20,000-square-meter facility, featuring 18,000 square meters of factory space, employs over 120 dedicated professionals. We have forged long-standing partnerships with Fortune 500 companies and export our products to regions including Europe, Southeast Asia, Australia, South America, and Africa.
Customer satisfaction is at the forefront of our priorities, and we warmly welcome visitors for collaboration and business discussions.

Customer Testimonials

Certifications and Achievements

 

Strategic Partnerships

 

Certifications

FAQ

Q1: Can you supply stocks? Can you deal small orders?
A1: Yes, we can.Small orders can also be accepted.

Q2: Do you provide samples ? is it free or extra ?
A2: Yes, we can offer samples free of charge. But the express cost should be on buyer's account.

Q3: Do you make the duct in-house?
A3: Yes, we have our own factory so the ducts are produced by our own workers.

Q4: Weight of duct per meter?
A4: The weight of duct per meter is 0.57kg.

Q5: Which port do you send from?
A5: Normally we ship from Shanghai harbour.