Designed for residential, commercial or industrial use with water, oil or gas. Threaded ends comply with ANSI B1.20.1. Solder joint temperature ratings are per ASME B16.18 Annex A for 95-5 solder. Other solder materials have lower pressure/temperature limits. Do not silver braze or overheat valves when soldering. Certified to NSF/ANSI 61 & 372 & Lead Free.