| ADJUSTABLE PRESSURE RANGE | +20.5 TO 21.5 POUNDS PER SQUARE INCH |
| BONNET ATTACHMENT METHOD | INTEGRAL |
| BONNET TYPE | INSIDE SCREW |
| CONNECTION STYLE | FLARED (TUBE) 1ST END |
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| DISK LOADING METHOD | SPRING |
| FEATURES PROVIDED | BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE |
| FLOW CONTROL DEVICE | POPPET |
| OPENING PRESSURE SETTING | 21.5 POUNDS PER SQUARE INCH |
| MATERIAL | ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE |
| MATERIAL | STEEL COMP MTX1015 SEAT |
| MAXIMUM OPERATING PRESSURE | 21.50 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MEDIA FOR WHICH DESIGNED | SULPHUR DIOXIDE, GASEOUS SINGLE RESPONSE |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |
| NOMINAL THREAD SIZE | 0.437 INCHES 1ST END |
| SEAT ANGLE | 45.0 DEGREES 1ST END |
| VALVE DISCHARGE FLOW RATE | 2.0 CUBIC FEET PER MINUTE |
| VALVE OPERATION METHOD | MANUAL |
| STYLE DESIGNATOR | STRAIGHT THRU |
| SURFACE TREATMENT | ANODIZE |
| TEST DATA DOCUMENT | 51663-RD10280M DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| THREAD SERIES DESIGNATOR | UNF 1ST END |