NILES, IL--(Marketwired - Jul 9, 2014) - MFRI, Inc. (NASDAQ: MFRI), a leading manufacturer of specialty piping systems and industrial filtration products, announced today that its Perma-Pipe ...
In both residential and commercial buildings, heating and cooling cycles can take a toll on piping systems. When pipes expand due to heat and contract when they cool, they stress joints, supports, and ...
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