If the RPZ relief valve should open, excess flow through the drain pipe trips the flow sensor which energizes the solenoid on the 113-6RFP valve and it goes closed.

• 如果减压区安全阀出现开启，过量的流体将通过排放管道，从而激发流量感应器，从而激发113-6RFP上的电磁阀，引起阀门关闭。