Prestressing Anchors and Wedges

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Product Specification


High Light	prestressing anchors with wedges ，anchor barrel and wedge set ，prestressing wedge anchors

Prestressing anchors and wedges are core matching components for post-tensioned prestressed concrete projects. Composed of anchors (multi-hole metal components) and wedges (self-locking wedge parts), they apply stable prestress to structures like bridges, box girders, and high-rise buildings through the process of "tensioning steel strands → wedges locking tightly → anchors transferring loads". This significantly enhances the crack resistance, load-bearing capacity, and span limits of components.

Core Advantages

Stable Anchoring & Reliable Safety

Wedges feature precision tooth profiles that form a "bite-type self-lock" with steel strands, achieving an anchorage efficiency coefficient ≥95% with no risk of slippage during long-term use. Anchors are forged from alloy structural steel, with fatigue strength of over 1.8 million cycles, suitable for heavy-load and long-span projects.
Multi-Type Compatibility & Wide Applications

By shape: Round anchors (for long-span bridges) and flat anchors (for thin-walled floor slabs/box girders);
By hole count: 2–27 holes (and other specifications) to match construction needs for different numbers of steel strands.

Weather Resistance & Adaptability to Harsh Conditions

Surface-treated with hot-dip galvanizing/phosphatization, it offers ≥500 hours of salt spray corrosion resistance, suitable for harsh environments like coastal or high-humidity areas. Operating temperature ranges from -40℃ to +60℃, adapting to projects in diverse climate zones.
Efficient Installation & Controllable Costs

Precisely sized to match GB/ASTM standard steel strands, on-site installation requires no additional adjustments. Standardized mass production ensures better cost-effectiveness than similar imported products.

Application Scenarios

Longitudinal/transverse prestressing construction of highway/railway bridges and large box girders;
Unbonded prestress reinforcement of floor slabs and shear walls in high-rise buildings;
Prestressed components in special projects (e.g., wind power foundations, nuclear power plants);
Assembly anchoring of precast concrete components (e.g., PC wall panels).

The product complies with Anchors, Clamps and Couplers for Prestressing Tendons (GB/T 14370-2015) and ASTM international standards. Custom hole counts/specifications are available, and construction technical guidance is provided.

Company Details

Bronze Gleitlager

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and

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from Quality China Factory

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Business Type:

Manufacturer,Trading Company 


Year Established:

2009 


Employee Number:

60~100 


Ecer Certification：

Verified Supplier 

Ningbo Yihang Machinery Parts Co., Ltd. – Professional Manufacturer of High-Quality Prestressing Anchor Accessories for Global Infrastructure Projects As a specialized manufacturer in China’s prestressing industry since 2009, Ningbo Yihang Machinery Parts Co., Ltd with ISO 9001 Certifi... Ningbo Yihang Machinery Parts Co., Ltd. – Professional Manufacturer of High-Quality Prestressing Anchor Accessories for Global Infrastructure Projects As a specialized manufacturer in China’s prestressing industry since 2009, Ningbo Yihang Machinery Parts Co., Ltd with ISO 9001 Certifi...

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Reach Us
Ningbo Yihang Machinery Parts Co., Ltd
No. 8 Yangmei Road, Zhangting Town, Yuyao City, Zhejiang Province, China
https://www.ptwedge.com/

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