Smith Gate Valve P/N 860-1-1/2INLANGE DIAMETER 6.125 INCHES VALVE OPERATION METHOD MANUAL CONNECTION TYPE FLANGE, ROUND W/HOLES VALVE SIZE 1.500 INCHES MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED 600.0 POUNDS PER SQUARE INCH WATER-OIL-GAS MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED 850.0 DEG FAHRENHEIT WATER-OIL-GAS INLET RELATIONSHIP WITH OUTLET IDENTICAL PRESSURE CLASS 600.0 POUNDS MATERIAL STEEL UNS K03504 BODY STEEL COMP 410 SEAT STEEL COMP 416 STEM STEEL COMP 420 DISK MATERIAL DOCUMENT AND CLASSIFICATION ASTM A105 GRADE II ASSN STD SINGLE MATERIAL RESPONSE BODY AISI 410 - 400 BHN ASSN STD SINGLE MATERIAL RESPONSE SEAT AISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM AISI 420 - 500 BHN ASSN STD SINGLE MATERIAL RESPONSE DISK