Control of Hazardous Material Spills

Control of Hazardous Material Spills

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cn. RATE HJLTTPLIER POLLING CIRCUIT WTER 1 POLLING CIRCUIT MTER 2. Ar. up-down COUNTER. Ar. FRAtC COUKTER Figure 3: Fail Safe Transfer Line Control Module Block Diagram START aquot;RESET SWITCH. L. EZagt;. Ar. FNXT TORESHDLD SWITCHES -. I COMPARATOR SHirr-ca-w CRITERION WMX* tITERIC ... The current to each pilot valve is monitored and, should either go too low, an override signal would close both valves. This feature provides protectionif a pilot valveanbsp;...

Title:Control of Hazardous Material Spills
Publisher: - 1976


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