1″ NPT or Threaded Bronze Spring Check Valve is made of lead free bronze a stainless steel spring and a NBR O-ring. Specifications Threads conform to ANSI/ASME B1.20.1 Max Pressure Rating: 200 PSI 200 PSI WOG Non-Shock – WOG pressure rating based on ambient temperature Max Temperature Rating: 180°F (82°C) Cast no lead bronze body and poppet NBR (Nitrile Buna-N) o-ring seal Size 1″ Female NPT or Threaded Material Bronze (Lead Free) Application Plumbing or Heating Certifications NSF/ANSI Standard 372 Certified Max Pressure (PSI) 200 PSI Max Temperature 180º F (82ºC)
