Superior HVACR WAS Series Brass Body Ball Valve "Integra-Seal" With Access Fitting, Temperature range of -40F to 325F, Designed working Pressure: 700 PSI, No synthetic O-ring seals - Double seal protection provides a superior stem design, Deal cap permits valve operation without remain of seal cap. For use with: CO2, CFC, HFC and HCFC refrigerants.