| ADJUSTABLE PRESSURE RANGE | +127.0 TO 148.0 POUNDS PER SQUARE INCH |
| BOLT CIRCLE NOMINAL DIAMETER | 4.4375 INCHES ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.5625 INCHES ALL ENDS |
| BOLT HOLE QUANTITY | 6 ALL ENDS |
| BONNET ATTACHMENT METHOD | UNION |
| BONNET TYPE | INSIDE SPRING |
| CONNECTION TYPE | FLANGE ALL ENDS |
| DISK LOADING METHOD | SPRING |
| FURNISHED ITEMS AND QUANTITY | 1 HANDLE |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| FLOW CONTROL DEVICE | DISK |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 2"X 2" DL/B-1 & DL/B-2 SERIES RELIEF VALVE |
| MATERIAL | BRONZE BODY |
| MATERIAL | STEEL COMP 303 SEAT |
| MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| MATERIAL | STEEL CORROSION RESISTING STEM |
| NOMINAL OUTSIDE DIAMETER | 5.5625 INCHES ALL ENDS |
| NOMINAL THICKNESS | 0.4375 INCHES ALL ENDS |
| SPECIFICATION/STANDARD DATA | 81349-MIL-F-20042 CL. 150 GOVERNMENT SPECIFICATION |
| STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| VALVE SIZE | 2.0000 INCHES |