Williams Check Valve P/N 60GL02 Size 1/2" MATERIAL STEEL UNS K03504 BODY STEEL COMP 420 FLOW CONTROL DEVICE A105 MATERIAL DOCUMENT AND CLASSIFICATION ASTM A1-5 ASSN STD SINGLE MATERIAL RESPONSE BODY STYLE DESIGNATOR A2 STRAIGHT THRU FLOW CONTROL DEVICE DISK MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE MAXIMUM OPERATING TEMP 900.0 DEG FAHRENHEIT SINGLE RESPONSE VALVE OPERATION METHOD AUTOMATIC CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS CONNECTION STYLE B20B SOCKET ALL ENDS NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES ALL ENDS MOUNTING POSITION HORIZONTAL DISK LOADING METHOD SPRING