POWERS CONTROLS™ Pneumatic Damper Actuator Quick Reference Guide No. 3 Damper Actuator No. 4 Damper Actuator No.
POWERS™ No. 3 Pneumatic Damper Actuators ③ Fixed mount actuator with bracket and clevis connector. ④ Fixed mount actuator with bracket and ball joint connector. ⚫◼⧫ ⚫◼⧫ ② Fixed mount actuator with bracket but no connector. ⚫◼⧫ ⑤ Pivot mount actuator without connector. ⚫◼⧫ ④ Fixed mount actuator with bracket and ball joint connector. Includes positioning relay for precise control. ① Base Actuator Motors Used in all models shown here. Three spring ranges.
POWERS™ No. 4 Pneumatic Damper Actuators ④ Fixed mount actuator with bracket and 2-3/8” stroke for unit ventilators. ⑤ Fixed mount actuator with bracket and ball joint connector. ⑫ Integral pivot mount, clevis and clevis pin connector with positioning relay for precise control. ⧫ ③ Fixed mount actuator with bracket and 3” stroke for unit ventilators. ② Integral pivot mount, clevis and clevis pin connector for use with frame mounting accessory.
POWERS™ No. 6 Pneumatic Damper Actuators and LC High-Force Motor ② Integral pivot mount with forward travel stops. ⧫ ③ Integral pivot mount, clevis and clevis pin connector with positioning relay for precise control. ③ Integral pivot mount, clevis and clevis pin connector for use with frame mounting accessory. ① Base Actuator Motors Used in all models shown here. Three spring ranges. ⧫ ④ Actuator with integral pivot, pivot post on plate for extended shaft use.