Technical Parameters Category Parameter Specification / Description General Model 167DA-13 Type Direct-Acting Spring-Diaphragm Actuator Diaphragm Diameter 167 mm (7 inches) Performance Spring Range The "-13" is a key identifier. Exact pressure range (e.g., 3-15 psi, 0.2-1.0 bar, 6-30 psi) must be confirmed from the Fisher Spring Rate Table. This is the standard air signal pressure needed to stroke the actuator. Strokes Available Multiple standard strokes are available (e.g., 25 mm, 38 mm, 50 mm, etc.). The specific stroke is determined when ordered. Thrust Output Air Pressure (psi) Downward Thrust (lbs) Upward Thrust (Spring, lbs) 20 psi (1.4 bar) ~2,100 lbs ~1,600 lbs 30 psi (2.1 bar) ~2,900 lbs ~1,600 lbs Note: Thrust values are approximate and depend heavily on the specific spring range and stroke. Physical & Environmental Diaphragm Case Material Cast Iron or Ductile Iron with corrosion-resistant coating. Spring Material Music wire with protective coating. Yoke Material Cast Iron or Ductile Iron. Standard Temperature For springs: -20°F to 150°F (-29°C to 66°C). Higher temp springs available. Mounting Designed to mount to Fisher 585C series globe valve bodies and other compatible valves.