CHICAGO--(BUSINESS WIRE)--Customer trials are in progress for John Crane’s new Predictive Diagnostics System, which is designed to reduce customers’ operational costs by predicting their maintenance needs and minimizing disruption to their operations. The trials will be completed at customer sites in several locations around the world. John Crane is aiming to validate the system design and to collect additional customer input as it finishes developing the system. Joseph Haas, Vice President and