| NOMINAL OUTSIDE DIAMETER | 4.250 INCHES ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES ALL ENDS |
| NOMINAL THICKNESS | 0.380 INCHES ALL ENDS |
| OPENING PRESSURE SETTING | 35.0 POUNDS PER SQUARE INCH |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.440 INCHES |
| SPECIAL FEATURES | FLANGE RATING (CLASS) 150; DIAMETER OF BOLTS IS 1/2; SPRING MATERIAL IS G-316SS; MODEL 20; FLANGES RATED PER ANSI B16.24. |
| VALVE OPERATION METHOD | AUTOMATIC |
| VALVE SIZE | 1.000 INCHES |
| STYLE DESIGNATOR | ANGLE FLANGED ENDS |
| DISK LOADING METHOD | SPRING |
| BOLT CIRCLE NOMINAL DIAMETER | 3.120 INCHES ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.620 INCHES ALL ENDS |
| BOLT HOLE QUANTITY | 4 ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | THREADED |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FURNISHED ITEMS AND QUANTITY | 1 CAP AND 1 SPRING |
| FEATURES PROVIDED | BONNET PACKING |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.440 INCHES |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| FLANGE SHAPE | ROUND ALL ENDS |
| FLOW CONTROL DEVICE | DISK |
| MATERIAL DOCUMENT AND CLASSIFICATION | BRONZE B62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| MATERIAL | COPPER ALLOY 836 BODY |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PRESSURE RELIEF VALVE |
| PROPRIETARY CHARACTERISTICS | PACS |
| MAXIMUM OPERATING TEMP | 406.0 DEG FAHRENHEIT SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE |
| MOUNTING FACILITY | BRACKET |