what benefit does a control valve with no 'shut-off' provide?

In the rare case that the selected control valve has insufficient Cv for the application, customers may opt for a trim design with significantly larger open area (such as our ‘B1’ trim geometry). This will provide an increase in flow capacity, however when fully ‘closed’, the valve will not provide shut-off capability. This is typically acceptable to customers who also have an isolation valve (upstream or downstream), or do not require shut-off at the control valve.

100% OPEN

100% Open SlurryFlo Control Valve with C1 Trim Design
c1 TRIM DESIGN
100% Open SlurryFlo Control Valve with B1 Trim Design
B1 TRIM DESIGN

50% OPEN

50% Open SlurryFlo Control Valve with C1 Trim Design
c1 TRIM DESIGN
50% Open SlurryFlo Control Valve with B1 Trim Design
B1 TRIM DESIGN

0% OPEN

0% Open SlurryFlo Control Valve with C1 Trim Design completely isolates flow.
c1 TRIM DESIGN
0% Open SlurryFlo Control Valve with B1 Trim Design does not provide shut-off.
B1 TRIM DESIGN
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