What are the inner sizes for flat ducts?

Flat duct inner sizes include 50x20mm, 60x20mm, 70x25mm, 90x25mm, 50x22mm, 60x22mm, 74x22mm, and 95x20mm.

What applications are these products suitable for?

They are used in post-tensioning pre-stressed concrete construction, bridges, viaducts, dams, and mines.

Plastic Spacer and Tube for Prestressed Concrete

Name: Plastic Spacer and Tube for Prestressed Concrete
Brand: Tianjin Qiangbang Industrial Co., Ltd.
SKU: 752812832

Tianjin, ChinaTianjin Qiangbang Industrial Co., Ltd.

US$0.15-0.30

10,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Application

Construction

Certification

CE, ISO

Model NO.

3 strands - 18 strands

Surface Treatment

Hot Dipped/Galvanized, No

Technics

Forged

Material

Plastic

Type

Fasteners

Transport Package

Export Packing

Specification

3 strands - 18 strands

Trademark

Daqiang

Origin

Tianjin, China

Production Capacity

10000

Key features

Wide Model Range: Supports 3 to 18 strands with ODs from 70mm to 145mm for precise spacing.

Dual Material Ducts: Offers galvanized steel and HDPE plastic corrugated ducts for various needs.

CE & ISO Certified: Products meet CE and ISO standards ensuring quality and safety compliance.

Versatile Applications: Ideal for bridges, viaducts, dams, and multi-story industrial buildings.

Multiple Duct Sizes: Round ducts range 50-160mm; flat ducts range 50x22-90x22mm.

Fast Delivery: Off-season lead time within 15 workdays; peak season one month.

Flexible Payment: Accepts LC, T/T, D/P, PayPal, and Western Union for convenience.

Hot Dipped Galvanized: Steel ducts feature hot-dipped galvanization for enhanced corrosion resistance.

Company profile

Tianjin Qiangbang Industrial Co., Ltd.

Tianjin, China

Business Type: Manufacturer/FactoryExport Year: 2000-11-28Average Response Time: ≤4.97hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FCA, EXW

About Our Factory & Business Background

AddressXizhaizhuang Economic Development zone, Jinhai, Tianjin, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsPre-Stressed Steel Strand, Post-Tensioned Steel Cable, Pre-Stressed Steel Wire, PC Steel Wire, Pre-Stressed Anchorage Anchor and Wedge, Post-Tensioning Accessories, Spring Steel Flat Bar, Spring Steel, Flat Steel Bar