McMaster 4894K47 High Cycling Threaded Check Valve, Bronze, 1 2 NPT Female, Class 125, 2.87 Cv 494F51 Pressure 200 psi Specific Pipe Pressure 200 psi Specific Pipe Fitting Shape Adapter Fitting Side B Connection Type FNPT Minimum Operating Temperature 0 Degrees F Fitting Material Bronze Maximum Operating Temperature 250 Degrees F Fitting Shape Straight Fitting Side A Connection Type Press Fit Application Potable Water O Ring Material EPDM Maximum Operating Pressure 200 psi Operating Temperature Maximum 250 Degrees F Fitting Side 2 Connection Type FNPT For Media Type Potable Water Operating Temperature Minimum 0 Degrees F Operating Pressure Maximum 200 psi Fitting Side 1 Connection Type Press fit Connector Type Adapter Center Stop Type Dimple Center Stop Restrictions This product has been certified by a third party to be compliant with the “Safe Drinking Water Act” requirements for low lead in potable (human consumption drinking and cooking) and non potable water applications (non human consumption) 1 phase and 112 these valves withstand frequent opening and closing Body Material Bronze Check Valve Type Lift Inlet Connection Threaded