| BONNET TYPE | INSIDE SCREW | 
| BONNET ATTACHMENT METHOD | THREADED | 
| CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS | 
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | 
| FEATURES PROVIDED | BONNET PACKING | 
| FLOW CONTROL DEVICE | DISK | 
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-371 ALLOY 694 ASSN STD SINGLE MATERIAL RESPONSE STEM | 
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | 
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY | 
| MATERIAL | COPPER ALLOY 694 STEM | 
| MATERIAL | COPPER ALLOY 836 BODY | 
| MATERIAL | COPPER ALLOY 836 FLOW CONTROL DEVICE | 
| MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE  AND ASBESTOS PACKING | 
| MAXIMUM OPERATING PRESSURE | 125.0 POUNDS PER SQUARE INCH FIRST RESPONSE | 
| MAXIMUM OPERATING TEMP | 406.0 FAHRENHEIT FIRST RESPONSE | 
| MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SECOND RESPONSE | 
| MAXIMUM OPERATING TEMP | 150.0 FAHRENHEIT SECOND RESPONSE | 
| MEDIA FOR WHICH DESIGNED | STEAM FIRST RESPONSE | 
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SECOND RESPONSE | 
| NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS | 
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 STYLE OR A CLASS AND 1/2 SIZE | 
| SPECIFICATION/STANDARD DATA | 59646-MSS SP-80 MANUFACTURERS STANDARD | 
| STYLE DESIGNATOR | STRAIGHT THRU | 
| THREAD DIRECTION | RIGHT-HAND ALL ENDS | 
| THREAD SERIES DESIGNATOR | NPT ALL ENDS | 
| VALVE OPERATION METHOD | MANUAL |