CASTOR

CASTOR is a remote-controlled manipulator, designed for the inspection of VVER steam generator tubes with eddy current probes, ultrasound examination of collector welds and for tube plugging.

Key features

• applied for all steam generator VVER types
• modular design with modules for tube eddy current testing inspection, weld ultrasound/eddy current inspection and tube plugging
• easy modules exchange
• installation without personnel having to enter the steam generator
• real-time 3D visualization and inspection simulation
• log file generation via EddyOne Control
• machine vision
• power supply: 110/220 VAC, 50/60 Hz
• air supply: 5-8 bar
• operating voltage: 48 V
• fully integrated distributed control system (DCS)
• independent, high speed two axes movements: 3 r/min, 0.5 m/s
• position accuracy ±0.1 mm
• protection level up to IP 68

ET inspection module

• designed for eddy current inspections of VVER steam generator
• applies bobbin probes, rotating probes and array probes
• dual guide tube orientation in horizontal or vertical position
• calibration standards for array and bobbin probes integrated into the guide tubes
• two independent pushing units
• easy access to driving wheels pushing/pulling speed: 0.5 mm/s – 2600 mm/s
• pushing/pulling force up to 100 kg
• intelligent wheel drive
• emergency brake
• fully automated inspection
• integrated machine vision

UT inspection module

• designed for ultrasound inspection of VVER steam generator collector welds
• incorporates up to 8 ultrasound and eddy current probes
• module provides ultrasound inspection in the circular and axial direction
• independent water supply system
• operates underwater

SG tubes mechanical plugging module

• fast plug installation
• three simple installation steps: tube end rolling, tube rolling and mechanical plug installation
• plug removal possibility
• very good records in service life