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r w 1 0 s <br />The D -TELT I device is an airtight shell that encap- <br />sulates its component. The system monitors any <br />leaking fluids from within the protected component, <br />and as pressure buildup reaches a predetermined <br />level (as low as 1.5 psi), the pressure activates the <br />pilot valve, which blocks and bleeds the supply <br />pressure. <br />The safety valve closes, and the alarm is triggered <br />to alert the operator. <br />