Examples of EDTV sources are: 1  DVD players featuring DVI / HDMI outputs (with built-in HDTV scalars) 2  Video image processors (scalers) 3  Digital cable Set Top Boxes (STB) that offer EDTV service. 4  Digital satellite receivers that offer EDTV service (i.e.
All PEX pipe must meet the same. qualification requirements as specified in the PEX. Standards. Continuous use temperature ratings as high. as 200Â°F (93Â°C) are required as well as standardized. chlorine resistance testing to ensure that the piping will. withstand the most aggressive drinking water conditions.
PEX-B. PEX-C. PEX-A tubing is produced using Peroxide (or, âEngelâ) method, named after the inventor Tomas Engel. During the manufacturing process, free radicals are created when HDPE polymer is melted and cross-links between molecules occur at temperatures that exceed the decomposition temperature of the polymer.