| ADJUSTABLE PRESSURE RANGE | +3.0 TO 50.0 POUNDS PER SQUARE INCH |
| BONNET ATTACHMENT METHOD | INTEGRAL |
| BONNET TYPE | INSIDE SPRING |
| CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |
| CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS |
| DISK LOADING METHOD | SPRING |
| FLOW CONTROL DEVICE | POPPET |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CHECK VALVE (BYPASS) |
| MATERIAL | STEEL CORROSION RESISTING BODY |
| MAXIMUM OPERATING TEMP | 375.0 FAHRENHEIT SINGLE RESPONSE |
| NOMINAL LENGTH | 2.56 INCHES ALL ENDS |
| NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS |
| NOMINAL WIDTH | 0.875 INCHES ALL ENDS |
| OPERATING PRESSURE | 2185.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE |
| OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE |
| SPECIAL FEATURES | FORMER NAME: NRP,CHECK VALVE(BYP |
| VALVE OPERATION METHOD | AUTOMATIC |
| STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| SUPPLEMENTARY FEATURES | SET AT 40 PSI +/- 2 PSI; O-RINGS: FLUOROCARBON FKM |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |