Val Matic 508ABFK Swing Flex Back Flow ActuatorCheck Valve Swing, Inline Valve Body, 8 in Pipe Size, Std 1UKL8 Item Analog Oven Convection Type Item Analog Oven Convection Type Gravity Temp Origin Zero and Inch mm Connection Type Flanged Connection Flanged Body Material Cast Iron ASTM A 126 Max Back Flow Actuator ANSI Flange Class Class 125 Silent Check Standard 3 A Standard Compliance Not Rated Check Mechanism Material Steel Maximum Pressure Operating 250 psi Operating Temperature Minimum 33 Degrees F NSF Certifications for Food and Drinking Water NSF 61 For Media Drinking Water Connection Type Side 1 Flange Connection Type Side 2 Flange Operating Temperature Maximum 200 Degrees F Valve Body Style Inline Check Mechanism Swing Vacuum Service Rating Not Rated Maximum Pressure Steam Not Rated Valve Series 500A