NIBCO
"Nibco" T480YLF112 NIBCO T-480-Y-LF Silicon Bronze Lead-Free Check Valve, Inline, PTFE Seat, 1-1/2" Female NPT Thread (FIPT)
Inline lift type Resilient discs Spring actuated Silicon performance bronze alloy Pressure Rating: 250 CWP Max Temp: 300? F Lead-Free marking: Double oval in body casting