LV-225 Lock Valve
Description:
The LV-225 Lock Valve is designed to maintain a pneumatic positioner equipped control valve in last position upon loss of instrument signal. The LV-225 is compatible with most pneumatic valve positioners, I/P Transducers and pneumatic controllers. The LV-225 may be factory installed by VRG on control instrumentation assemblies or easily retrofit to existing installations.
Literature:
Features:
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Provides protection in the event of pneumatic instrument signal loss caused by failure of RTU, I/P transducer, pneumatic controller, or other signal generating devices
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Available for new Installations or easily retrofit to most pneumatic positioners
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Setpoint can be set anywhere within the control range of the unit. Four control springs are available for varying control ranges
Applications:
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Most pneumatic valve positioner applications equipped with I/P Transducer or Pneumatic Controller
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The LV-225 causes slightly delayed signal response to pneumatic valve positioners and is not intended for fast-acting applications such as power plant control
Accessories & Options:
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N/A
Models:
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LV-225