| STYLE DESIGNATOR | STRAIGHT THRU |
| VALVE OPERATION METHOD | AUTOMATIC |
| MATERIAL | STEEL COMP 303 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | -100.0 DEG FAHRENHEIT 1ST RESPONSE |
| 450.0 DEG FAHRENHEIT 2ND RESPONSE |
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| CONNECTION STYLE | PLAIN (PIPE) 1ST END |
| THREAD SERIES DESIGNATOR | NPT 1ST END |
| NOMINAL THREAD SIZE | 0.250 INCHES 1ST END |
| THREAD QUANTITY PER INCH | 27 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 11.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 0.0 TO 200.0 POUNDS PER SQUARE INCH |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 91816 |
| DESIGN CONTROL REFERENCE | 520T-2M-11 |