Pipeline ancillaries Disc, split disc and wafer check valves
10
Storage tanks
A DCV wafer check valve fitted in reverse will act as a vacuum breaker, safeguarding the vessel from possible collapse if a vacuum forms inside.
Contamination detection
7.5.35
A DCV wafer check valve installed in the main line produces a small pressure drop, ensuring that a proportion of the flow passes through the sampling chamber.
10.5 54
AI-P134-33 ST Issue 2
Page 2 of 3
DCV Wafer Check Valve Applications Sheet 3
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