Simmons - Model 2500 Series -Stemless Check Valve

Silicon bronze cast body.  Silicon bronze cast poppet. Female Threads. Certified lead free to NSF/ANSI 372 and NSF/ANSI 61 by Truesdail Laboratories. Meets all State and Federal safe water drinking acts and regulations including California Prop 65. All check valves furnished with Buna-N O-Ring, stainless steel spring, stainless steel washer and stainless steel locknut. All valves 3/4″ through 1-1/2″ have a working pressure of 400 psi. All valves 2″ and larger have a working pressure of 600 psi.