| STYLE DESIGNATOR | ANGLE | 
| VALVE OPERATION METHOD | AUTOMATIC OR | 
|  | MANUAL | 
| MATERIAL | COPPER ALLOY 922 BODY | 
|  | NICKEL ALLOY FLOW CONTROL DEVICE | 
|  | NICKEL ALLOY R-405 SEAT | 
|  | NICKEL ALLOY R-405 STEM | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOYD4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY | 
|  | QQ-N-288,COMPA FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | 
|  | QQ-N-281,CLASSB FED SPEC SINGLE MATERIAL RESPONSE SEAT | 
|  | QQ-N-281,CLASSB FED SPEC SINGLE MATERIAL RESPONSE STEM | 
| FLOW CONTROL DEVICE | DISK | 
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | 
|  | STEAM 2ND RESPONSE | 
|  | WATER, FRESH 3RD RESPONSE | 
| MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | 
| MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE | 
| CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | 
| CONNECTION STYLE | SOCKET WITH BRAZING RING ALL ENDS | 
| NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS | 
| RENEWABLE SEAT RING TYPE | THREADED | 
| BONNET TYPE | EXPOSED SPRING | 
| BONNET ATTACHMENT METHOD | THREADED | 
| DISK LOADING METHOD | SPRING | 
| ADJUSTABLE PRESSURE RANGE | 28.0 TO 45.0 POUNDS PER SQUARE INCH | 
| FURNISHED ITEMS AND QUANTITY | 1 WRENCH |