Reaction washer ZRW Series

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Features
• Eliminates need for reaction fixture
• Removes pinch point hazards
• Improves bolting safety and ergonomics
• ASTM compliant design
• Compatible with hydraulic torque systems
• Reduces bolting time and labour effort
• Designed for industrial flange applications

Overview

The HYTORC Washer is an engineered bolting safety and efficiency solution designed to fundamentally eliminate the need for a separate reaction fixture during torque application. In conventional bolting systems, reaction arms introduce significant safety risks, including pinch points, instability, and inconsistent load distribution. The HYTORC Washer resolves these limitations by integrating reaction directly into the fastening interface, enabling controlled torque application without external support tools.

From a performance perspective, the washer ensures consistent load distribution across the joint interface, improving bolt preload accuracy and reducing the risk of joint loosening under vibration or dynamic loading conditions. This makes it particularly effective in high-risk industrial environments such as oil and gas, petrochemical processing, power generation, and heavy manufacturing, where flange integrity is critical.

Engineered to meet ASTM compliance requirements, the HYTORC Washer also supports standardised maintenance practices while improving operator safety. By removing the need for manual reaction support or backup tooling, it reduces labour intensity and significantly improves cycle time during bolting operations.

The design also enhances compatibility with hydraulic torque tools, enabling seamless integration into existing bolting systems without requiring major procedural changes. As a result, the HYTORC Washer functions as both a safety upgrade and a productivity enhancement tool, delivering measurable improvements in bolting efficiency, joint reliability, and workplace safety compliance.