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Article of the Month:
Non-Destructive Testing of Steam Traps
R. James Seffrin
Level III Infraspection Institute Certified Infrared Thermographer®
With green awareness at an all-time high, facility managers are constantly on the lookout for new ways to save money and energy while reducing their company's carbon footprint.
One of the best opportunities for detecting excess energy loss is steam trap testing. Although defective steam traps can waste thousands of dollars annually, their maintenance is often overlooked. Presently, estimates for steam trap failures within industrial facilitites is 50%. Considering that medium sized facilities can have hundreds of traps, the potential for energy savings is considerable..
For many facilities, obtaining accurate product level information for tanks and silos is critical for effective inventory management and safety. Under the right conditions, a thermal imager can quickly indicate product levels and serve as a cross reference for calibrating level indicators..
Thermal image shows a hotspot on the right tap of a dry-type transformer caused by a loose connection. Infrared inspection conducted with the transformer under load and its panel covers removed to afford line-of-sight access. Taken by Larry Stratton, this thermal image was the 1st Place winner - Electrical Category in the annual Image Contest held during the IR/INFO 2017 Conference.