| STYLE DESIGNATOR | ANGLE |
| VALVE OPERATION METHOD | AUTOMATIC |
| MATERIAL | STEEL COMP 630 BODY |
| COPPER ALLOY 170 FLOW CONTROL DEVICE |
| STEEL COMP 630 SEAT |
| SURFACE TREATMENT | PAINT AND |
| PRIMER |
| FLOW CONTROL DEVICE | DIAPHRAGM |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| NITROGEN, GASEOUS 2ND RESPONSE |
| MAXIMUM OPERATING TEMP | 330.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 15.0 CUBIC FEET PER MINUTE |
| CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END |
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNF 1ST END |
| NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
| THREAD QUANTITY PER INCH | 20 1ST END |
| THREAD CLASS | 3A 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| BONNET TYPE | PACKING RETAINING |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 4500.0 POUNDS PER SQUARE INCH |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 79RG9 |
| MFR SOURCE CONTROLLING REFERENCE | A51H9032-1 |