| MATERIAL | COPPER ALLOY BODY |
| PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| COPPER ALLOY SEAT |
| STYLE DESIGNATOR | STRAIGHT THRU |
| FLOW CONTROL DEVICE | BALL OR |
| CONE |
| MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 350.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| NOMINAL LENGTH | 3.500 INCHES ALL ENDS |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| NOMINAL THREAD SIZE | 1.000 INCHES ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| MOUNTING POSITION | HORIZONTAL OR |
| VERTICAL |
| SPECIAL FEATURES | CRACKING PRESSURE 0.5 PSI; MAX PRESSURE FOR STEAM 125 PSI; COEFFICIENT OF VOLUME (CV) = 25 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SPRING-LOADED BALL-CONE CHECK VALVE |