A flange is an external or internal rib, or rim (lip), for strength, as the flange of an iron beam or I-beam (or a T-beam); or for a guide, as the flange of a train wheel; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc, or on the lens mount of a camera. Thus a flanged rail is a rail with a flange on one side to keep wheels, etc., from running off. The term "flange" is also used for a kind of tool used to form flanges. By using flanges, pipes can be assembled or disassembled very easily. Plumbing or Piping Although flange generally refers to the actual raised rim or lip of a fitting, … [Read more...]
How to Stop Copper Corrosion and Pinhole Leaks
AdvertisingJuly 5, 2010 by Leave a Comment
According to some estimates, corrosion costs the United States more than $1 billion every year. Besides actual piping failure and pinhole leaks, copper corrosion leaves blue stains on sinks, tubs, fixtures, laundry and hair. Corrosion can also make the water unfit for drinking. Copper can be toxic and water containing levels over 1.0 mg/L should not be used for drinking. The main causes of copper corrosion are: Low pH (acid water less than 7.0) or high pH (alkaline water greater than 8.5) High levels of dissolved oxygen High levels of salts dissolved in the water (total dissolved solids) Corrosion-causing bacteria … [Read more...]