Val Matic 508ABFK Swing Flex Back Flow ActuatorCheck Valve Swing, Inline Valve Body, 8 in Pipe Size, Std J6020NM Compatible with Manufacturer Model Number Compatible with Manufacturer Model Number 26212 Drive Professional Long Reach Flex Head Ratchet's low profile 180° head design allows access to the most difficult to reach fasteners 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 250 psi Flow Valves 2250 gpm Flow 2250 gpm Max