Technical Parameters Parameter Specification Model Fisher 3570 Type Force-Balance Pneumatic Valve Positioner Input Signal 3 to 15 psig (0.2 to 1.0 bar) Supply Pressure 20 to 100 psig (1.4 to 6.9 bar) Output Pressure Essentially equal to the supply pressure range (up to the supply pressure limit). Air Consumption Approximately 1.0 SCFM (1.7 m³/hr) at steady state. Stem Travel Range Linear: 0.5 to 6.0 in (12.7 to 152.4 mm) Rotary: 25° to 120° Flow Characteristic Cams Linear, Equal Percentage, Quick Open Action Direct or Reverse (field reversible) Enclosure Rating NEMA 4 (IP65) Mounting Directly on Fisher and other major manufacturers' actuator models.
