MRPC Probes
Motorized Rotating
Probe Coil (MRPC®) solutions are typically
comprised of two pieces: a motor unit
and a probe head. MRPC probes provide
high resolution and inspection accuracy.
The MRPC rotating head inspects 100%
of the tube circumference, and the surface
riding coils ensure minimum lift-off
effect and maximum signal-to-noise performance.
MRPC probes excel in finding longitudinal
and circumferential flaws in critical
areas of tube sheets, support plates,
and U bends-even in difficult areas,
such as deformed tube areas, roll transitions,
dents, and regions affected by deposits.
MRPC motor units are available in both
brush and brushless designs optimized
for torque and/or speed. MRPC probe
heads are available in a variety of
diameter and coil configurations.
Modular Probe
Heads with Extension Shafts
The modular probe
concept offers many advantages including
faster inspection rates, reduced cost,
less rad-waste, and less downtime. Modular
probe heads feature interchangeable
coil modules, a detachable nose cone
assembly, and a detachable extension
shaft. Individual components can be
easily replaced instead of replacing
the entire assembly. Various lengths
of extension shafts are available to
adapt to specific regions of the steam
generator.
MRPC Probe Motor
Units
High-Speed/High-Torque
MRPC Motor Units have consistent rotation
rates and increased motor torque to
easily spin probe heads and shafts through
restrictive tube areas and geometries.
This includes square bends, ovalized
tubes, dents, and tubes with heavy deposits
on the inside diameter.
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