Technical features

Torque from 15 Nm to 240 Nm.
Mounting flange according to DIN/ISO 5211 DIN 3337; F10 - F12 - F14 - F16.
VDI/VDE 3845 connection for accessories.
Rotation angle 92° (-1°, +91°)
Torque: the return torque depends on spring action only notwithstanding the air supply. The spring is provided in four different sizes (see table - general catalogue
pneumatic actuator SR). The code numbers after the letters SR, always correspond to the breakaway torque in Nm by 5,6 bar air supply. The actuator automatic
closing takes place in clockwise direction by means of its springs.
Sizes from SR 30 direct connection with NAMUR solenoid valve.
Size SR15 can be provided with NAMUR plate on request
Actuator with epoxy painting
ATEX version in conformity with directive 94/9/EC. Please add YX at the end of the code for ATEX version.

Working condition

Temperature: from -20°C to +80°C.
Air supply: 5,6 bar; maximum 8,4 bar.
Operating media: compressed filtered air, not necessarily lubricated. In case of lubricated air, either non detergent oil or NBR compatible oil, must be used.
Attuatore pneumatico semplice effetto “SR” a105
Spring return pneumatic actuator “SR” type a105
Attuatori pneumatici