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Difference between single seated & double seated control valves
- Aug 23, 2018 -

Single Seated

Single seated valves are one form of globe valve that are very common and quite simple in design. These valves have few internal parts. They are also smaller than double seated valves and provide good shut off capability.
Maintenance is simplified due to easy access with top entry to the valve components. Because of their widespread usage, they are available in a variety of trim configurations, and therefore a greater range of flow characteristics are available. They also produce less vibration due to the reduced plug mass.

Advantages

– Simple design.
– Simplified maintenance.
– Smaller and lighter.
– Good shutoff.

Disadvantages

– More complex designs required for balancing