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 Pipe. Cross-linked polyethylene piping is commonly called pex pipe. It is the material used for water supply in domestic plumbing. The Uponor/Wirsbo sprinkler systems and the Kwench fire sprinkler systems in NFPA 13D fire sprinkler systems use this 1/2 pex pipe in interconnection with the domestic plumbing. NFPA 13 requires that fire sprinkler system piping be listed for no less than 175 psi, and be able to withstand a hydrostatic test of 200 psi for 2 hrs, and in some cases slightly more than 200 psi.