Conventional Island Bolt Pre-tightening Project at a Nuclear Power Plant

Customer Background
A nuclear power operations company managing multiple million-kilowatt-class nuclear units, with annual generation exceeding 500 billion kWh, is a major clean energy provider in China. Nuclear plants adhere to extremely high safety standards and impose strict requirements on equipment quality and construction workmanship.
Project Overview
- Industry:nuclear and thermal power
- Customer:Nuclear Power Operations Company
- Project Location:Yangjiang, Guangdong
- Implementation Time:2025 11
Technical Requirements and Challenges
Nuclear Safety Grade Requirements
Turbine casing bolt pre-tightening: Nuclear safety class requirements demand extremely stringent quality standards.
High torque accuracy
Torque accuracy ±2%, ensuring connection reliability
Data Traceability
Fully record the tightening process with traceable data.
Warranty Requirements
Complies with nuclear quality assurance requirements; all documentation is complete.
Solutions & Products
Smart electric torque wrench system with automatic data logging, compliant with nuclear quality assurance requirements. Torque accuracy ±2%, complete quality documentation and calibration certificates provided to meet nuclear safety acceptance standards.
Implementation Results
Customer Reviews
Nuclear power plants demand the highest standards for equipment quality and construction workmanship. Ailansheng Technology's intelligent electric torque wrench system fully meets nuclear safety-grade requirements. Our automatic data logging feature enabled us to establish a complete torque data archive, ensuring successful nuclear safety acceptance. The technical team was professional and rigorous, with comprehensive documentation—a truly successful partnership.
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