The following are excerpts from NFPA 99. These standards where put in NFPA 99 to ensure healthcare facilities about the safety and efficacy of the Smart Tap Procedure. 5.1.10.6  Memory Metal Fittings. 5.1.10.6.1  Memory metal fittings having a temperature rating not less than 538°C (1000°F) and a pressure rating not less than 2070 kPa (300 … NFPA Standards