DF270 integral control valves are rugged and designed for demanding tight-space applications. The compact design makes installation and maintenance more convenient than traditional valve and actuator assemblies while offering the same functionality.
| AVAILABLE CONFIGURATIONS | ||||||||||
| BODY | SIZE | END CONNECTION | ||||||||
| FNPT | RF (FLANGED CONNECTION) | RTJ (FLANGED CONNECTION) | ||||||||
| ASME CLASS 150 | ASME CLASS 300 | ASME CLASS 600 | ASME CLASS 900 | ASME CLASS 900/1500 | ASME CLASS 600 | ASME CLASS 900 | ASME CLASS 900/1500 | |||
| GLOBE | 1" NPS (25mm DN) | ü | ü | ü | ü | ü | û | ü | ü | û |
| 2" NPS (50mm DN) | ü | ü | ü | ü | û | ü | ü | û | ü | |
| NOTES: | FNPT = 2,250 PSI (155 BAR) COLD WORKING PRESSURE. | |||||||||
| AVAILABLE SHUTOFF PRESSURE DROPS | ||||||
| ACTUATOR ACTION | FLOW DIRECTION (PRESSURE TENDS TO) | PORT DIAMETER | NUMBER OF ACTUATOR SPRINGS | |||
| 0-20 PSIG (0-1.38 BARG) OPERATING PRESSURE | 0-35 PSIG (0-2.41 BARG) OPERATING PRESSURE | 3-15 PSIG (0.21-1.03 BARG) OPERATING PRESSURE | 6-30 PSIG (0.41-2.07 BARG) OPERATING PRESSURE | |||
| 3 | 6 | 3 | 6 | |||
| FAIL CLOSED | FLOW UP (OPENS VALVE) | 1/4" (6.4mm) | 3,750 PSI (259 BAR) | 3,750 PSI (259 BAR) | 3,750 PSI (259 BAR) | 3,750 PSI (259 BAR) |
| 3/8" (9.5mm) | 3,750 PSI (259 BAR) | 3,750 PSI (259 BAR) | 1,979 PSI (136 BAR) | 3,750 PSI (259 BAR) | ||
| 1/2" (12.7mm) | 2,007 PSI (139 BAR) | 3,750 PSI (259 BAR) | 1,033 PSI (71 BAR) | 2,386 PSI (165 BAR) | ||
| 3/4" (19.1mm) | 803 PSI (55 BAR) | 1,873 PSI (123 BAR) | 388 PSI (27 BAR) | 989 PSI (68 BAR) | ||
| 1" (25.4mm) | 402 PSI (28 BAR) | 1,004 PSI (69 BAR) | 178 PSI (12 BAR) | 516 PSI (36 BAR) | ||
| FAIL OPEN | FLOW UP (OPENS VALVE) | 1/4" (6.4mm) | 3,750 PSI (259 BAR) | 3,750 PSI (259 BAR) | û | û |
| 3/8" (9.5mm) | 3,750 PSI (259 BAR) | 3,750 PSI (259 BAR) | û | û | ||
| 1/2" (12.7mm) | 3,750 PSI (259 BAR) | 3,750 PSI (259 BAR) | û | û | ||
| 3/4" (19.1mm) | 1,412 PSI (97 BAR) | 3,750 PSI (259 BAR) | û | û | ||
| 1" (25.4mm) | 744 PSI (51 BAR) | 2,062 PSI (142 BAR) | û | û | ||
| CHARACTERISTIC | PREFERRED FLOW DIRECTION |
| EQUAL PERCENTAGE | REFER TO SHUT OFF PRESSURE DROPS |
