Azbil AMT User Manual

Azbil Corporation
Model: AMT, HDT - CV3000 Series Control Valves
54
Symptom Cause and Remedy
Even when valve plug is in closed
position, large flow leaks to
downstream side.
• Air leak at actuator section.
• For trial, apply the air supply pressure or atmospheric pressure to the
actuator. (Check the air supply source and positioner.)
• Check whether the valve plug is actually the closed position or not.
(Check the valve plug lift)
• Check the plug seat ring for corrosion and erosion.
• Check the guide sections for binding.

Azbil AMT Specifications

General

Brand	Azbil
Model	AMT
Category	Control Unit
Language	English