Interlocking diagram
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Request the interlock diagram for one pump in operation and one as standby; when the pressure is below 0.15 MPa, Pump A starts up； When pump A fails, auxiliary pump B starts
Upstairs, the logical diagrams for each design firm are different; you can follow the representation method used by the firm that designed it for you. It’s a simple logic – really very simple. It’s the pump startup logic. What is related to the startup of pump A are process permissions, pump-specific permissions, and pressure permissions. Pump B needs to be equipped with the interlock signal from Pump A. Simple narrative in language