Home

Spare Parts

Refurbishment Services

Training

Chapman Limit Switch Upgrade

MOV Diagnostics

Wellness Program

Lubrication

Contact Info

Career Opportunities

Blog

                   

 

 

 

 

 

 

 

 

 

 

 

DIAGNOSTIC MOV SERVICES

Teledyne Quiklook Motor Operated Valve Diagnostic System
Since 1983, Pinnacle employees have specialized in optimizing the performance, reliability, and safe operation of MOVs (motor-operated valves) in nuclear and fossil power plants throughout the world. The following is a partial list of the valve and actuator problems that can be quickly identified using the Teledyne Quiklook Motor Operated Valve Diagnostic System:
Many years of experience, MOVs testing in numerous applications, analyzing test data and correcting deficiencies, have gone into the development of the Teledyne Quiklook Motor Operated Valve Diagnostic System.  The System's advanced software and modular hardware design represent proven MOV analysis technology.
  • Incorrect torque switch bypass settings
  • Incorrect torque switch settings
  • Spring pack gap or incorrect spring pack preload
  • Incorrect stem packing tightness
  • Excessive inertia
  • Loose stem-nut locknut
  • Incorrect limit switch settings
  • Bent stem
  • Damaged or broken gears
  • Disc/seat binding (includes thermal binding)
  • Undersized motor
  • Relay problems
  • Improperly size actuator
  • Hydraulic lockup
  • Excessive seating or backseating force application
Diagnostic Parameters
The Quiklook Diagnostic System, with its full range of sensors, directly measures the following parameters:
  • Stem Torque
  • Stem Thrust
  • Torque Switch Trip
  • Spring Pack Displacement
  • Limit Switch Settings
  • Motor Voltage
  • Motor Current
  • Motor Power
Pinnacle Actuation ©2006