| STYLE DESIGNATOR | ANGLE |
| VALVE OPERATION METHOD | AUTOMATIC |
| MATERIAL | COPPER ALLOY BODY |
| COPPER ALLOY AND |
| RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| COPPER ALLOY SEAT |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 450.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 19.5 CUBIC FEET PER MINUTE |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| THREADED EXTERNAL PIPE 2ND END |
| CONNECTION STYLE | FLARED (TUBE) 1ST END |
| PLAIN (PIPE) 2ND END |
| SEAT ANGLE | 30.0 DEGREES 1ST END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.625 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNF 1ST END |
| NPT 2ND END |
| NOMINAL THREAD SIZE | 0.875 INCHES 1ST END |
| 0.500 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 14 2ND END |
| THREAD CLASS | 3A 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| RIGHT-HAND 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | THREADED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 235.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY RELIEF PRESSURE SETTING AND DISCHARGE RATE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 28193 |
| DESIGN CONTROL REFERENCE | 527-235 |