| ADJUSTABLE PRESSURE RANGE | +0.5 TO 150.0 POUNDS PER SQUARE INCH |
| CONNECTION STYLE | PLAIN (PIPE) FIRST END |
| CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END |
| FLOW CONTROL DEVICE | POPPET |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| MATERIAL | STEEL COMP 303 BODY |
| MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE |
| MEDIA FOR WHICH DESIGNED | ACETYLENE SECOND RESPONSE |
| MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE |
| MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS THIRD RESPONSE |
| MEDIA FOR WHICH DESIGNED | HYDROGEN FIFTH RESPONSE |
| MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 FOURTH RESPONSE |
| NOMINAL THREAD SIZE | 0.250 INCHES FIRST END |
| OPENING PRESSURE SETTING | 12.0 POUNDS PER SQUARE INCH |
| OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE |
| SPECIAL FEATURES | 1.200 IN. OVERALL LENGTH; 0.625 IN. HEX. |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | POPOFF VALVE |
| VALVE OPERATION METHOD | AUTOMATIC |
| STYLE DESIGNATOR | STRAIGHT THRU |
| THREAD DIRECTION | RIGHT-HAND FIRST END |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |