Aside from functionality, the most sought-after feature of most sight windows is their margins of safety. Virtually every commercial vendor of such products touts its safety record, and makes various claims regarding why their products are "safe". The most common of such generic claims about safety relates to numerical safety factors on pressure scale, and conformity to miscellaneous industry standards. And yet, sight window failures have been happening for centuries, and they continue.
This three-part discussion presents a summary of major issues that should be considered before finalizing a specification for sight window. Read More >