| STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS. |
| VALVE OPERATION METHOD | AUTOMATIC |
| MATERIAL | STEEL CORROSION RESISTING BODY |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| ALCOHOL, ETHYL 2ND RESPONSE |
| AMMONIA, GASEOUS 3RD RESPONSE |
| AMMONIA, LIQUID 4TH RESPONSE |
| REFRIGERANT 12 5TH RESPONSE |
| MAXIMUM OPERATING PRESSURE | 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE |
| 275.0 DEG FAHRENHEIT 2ND RESPONSE |
| CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CONNECTION STYLE | FLARED (TUBE) ALL ENDS |
| SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS |
| THREAD CLASS | 3A ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 91816 |
| DESIGN CONTROL REFERENCE | 5177T-4TT-30 |