Iso 14520-5 Pdf ((install)) [ Recent ]

Use the physical property tables to calculate the required agent mass. The formula (derived from the ideal gas law) is provided in clause 5.3. You will need the specific vapor volume (s) for HFC 227ea at 20°C, which the PDF provides as approximately 0.1372 m³/kg.

: It has a high "No Observed Adverse Effect Level" (NOAEL) of 10%, which is significantly higher than its typical design concentrations (4.5% to 5.9%), making it safe for occupied spaces. System Design Requirements iso 14520-5 pdf