Plant and personnel safety is a central focus for socially responsible and safety conscious companies. Following a series of fatal accidents across the globe, regulation now mandates certain minimum technical precautions in many industries. As a result the ability to isolate lines and ensure absolute downstream flow shut-off is essential.
Many different types of valves are used to isolate pipelines. However, valves can and do leak. Downstream valve leakage can occur without the knowledge of plant personnel as there is often no visual indication of failure. This scenario can at best lead to product waste or contamination; at worst to the escape of toxic substances or a potentially explosive fire hazard.
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