| STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| VALVE OPERATION METHOD | AUTOMATIC |
| MATERIAL | COPPER ALLOY 922 BODY |
| NICKEL ALLOY FLOW CONTROL DEVICE |
| PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| NICKEL ALLOY SEAT |
| NICKEL ALLOY STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| AMS 3660 ASSN STD SINGLE MATERIAL RESPONSE PACKING |
| QQ-N-288 COMP A FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 6.000 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.500 INCHES |
| VALVE SIZE | 3.000 INCHES |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FLANGE SHAPE | ROUND ALL ENDS |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 3 IN. RELIEF VALVE TYPE 1771-T |