QRE series pneumatic actuators are designed for use in both regulating control and on-off service. 0-60° and 0-90° versions are available. These actuators are well uited to operate almost any type of rotary valve.
QRE100-400 (Double / single acting cylinder),
QRE451-800 (Double acting cylinder),
QRE40D-80D (Double cylinder). See Figure 1, 3, 2.
manual gear