Level control valve
Choke type
DCV-E100
Choke size & rating
1″ ASME Class 1.500
Actuation
Pneumatic On/Off
Existing problem
A: Short meantime between failure due to erosion
B: Seat tightness
Causes of problem
A: Contaminants in fluid
B: Suitability of existing valve
Solutions
A: Dux seats are given the design and material choice less sensible for erosion
B: Dux guarantees for a much longer period a high seat tightness
(standard to class V of the IEC 60534-4)
Results
Field inspection learned after a 12 times longer mtbf that disc show no erosion tracks at all



























































