1/2″ NPT or Threaded 304 Stainless Steel Spring Check Valve is made of 304 stainless steel with a Polyethylene bushing and Viton 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 304 stainless steel body and poppet Viton o-ring seal Size 1/2″ Female NPT or Threaded Material 304 Stainless Steel Application Plumbing or Heating Certifications NSF/ANSI Standard 372 Certified Max Pressure (PSI) 200 PSI Max Temperature 180º F (82ºC)
