| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | +75.00 TO 110.00 POUNDS PER SQUARE INCH |
| BOLT CIRCLE NOMINAL DIAMETER | 3.125 INCHES ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS |
| BOLT HOLE QUANTITY | 4 ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | UNION |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FURNISHED ITEMS AND QUANTITY | 1 LEVER |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.50 INCHES |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| FLOW CONTROL DEVICE | DISK |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE DISK |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| MATERIAL | BRONZE BODY |
| MATERIAL | NICKEL ALLOY DISK |
| MATERIAL | NICKEL ALLOY SEAT |
| MATERIAL | NICKEL ALLOY STEM |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE,ANGLE RELIEF |
| PROPRIETARY CHARACTERISTICS | PACS |
| MAXIMUM OPERATING TEMP | 200.00 DEG FAHRENHEIT 1ST RESPONSE |
| MAXIMUM OPERATING TEMP | 425.00 DEG FAHRENHEIT 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 200.00 POUNDS PER SQUARE INCH 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 400.00 POUNDS PER SQUARE INCH 1ST RESPONSE |
| MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE |
| NOMINAL OUTSIDE DIAMETER | 4.25 INCHES ALL ENDS |
| NOMINAL THICKNESS | 0.438 INCHES ALL ENDS |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.50 INCHES |
| SPECIAL FEATURES | FLANGED PER MIL-F-20042 150 LB; |
| VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| VALVE SIZE | 1.00 INCHES |
| STYLE DESIGNATOR | ANGLE FLANGED ENDS |