DFLP linear double-acting pneumatic piston actuators are designed for high force applications. When combined with a positioner or a two-position control signal, DFLP actuators can be used for throttling or on/off control. DFLP actuators will always require a volume tank in order to hold a fail position.
 
                                            | AVAILABLE VAVLE STEM COMPATIBILITY | |||
| ACTUATOR SIZE | VALVE STEM SIZES | ||
| 3/4" (19.1mm) | 1" (25.4mm) | 1-1/4" (38.1mm) | |
| 113 | ü | ü | ü | 
| 154 | û | ü | ü | 
 
                                            | AVAILABLE DFLP PISTON AREA, MAXIMUM PRESSURE AND MAXIMUM AVAILABLE THRUST | ||||||||
| ACTUATOR SIZE | MAXIMUM PRESSURE | PISTON DIAMETER | AREA | THRUST | ||||
| PSI | BAR | INCH | mm | INCH2 | cm2 | lbf | N | |
| 3113 | 85 | 5.86 | 12 | 305 | 113.1 | 730 | 9,605 | 42,725 | 
| 4113 | 110 | 7.58 | 12 | 305 | 113.1 | 730 | 12,430 | 55,291 | 
| 5113 | 110 | 7.58 | 12 | 305 | 113.1 | 730 | 12,430 | 55,291 | 
| 4154 | 110 | 7.58 | 14 | 356 | 153.94 | 993 | 16,940 | 75,353 | 
| 5154 | 110 | 7.58 | 14 | 356 | 153.94 | 993 | 16,940 | 75,353 | 
 
                                            | DFLP MAXIMUM ALLOWABLE TRAVEL | ||
| ACTUATOR SIZE | TRAVEL | |
| INCH | mm | |
| 3113-4 | 3 | 76.2 | 
| 4113-4 | 4 | 101.6 | 
| 4113-8 | 8 | 203.2 | 
| 5113-4 | 4 | 101.6 | 
| 5113-8 | 8 | 203.2 | 
| 4154-4 | 4 | 101.6 | 
| 4154-8 | 8 | 203.2 | 
| 5154-4 | 4 | 101.6 | 
| 5154-8 | 8 | 203.2 |