ACTREG pneumatic quarter-turn actuator TYPE ASR 850
- Single acting
- 14 springs
- Opening torque by pressure at 6 bar : 488 / 367 Nm
- Closing torque by spring : 271 / 412 Nm
- Installation drawing F10-F12
- Output star 27mm
- Actuating angle 90°
- Double stop adjustable +/- 5°.
- Anodised aluminium body / epoxy coated aluminium flanges
- Standard seals in NBR
- Operating temperature range -30° to +100°C
- Maximum operating pressure 8 bar
- Compressed air supply connection G1/4" or according to NAMUR VDI/VDE 3845
- Multifunctional position indicator
- ATEX EEx II 2G/D for zone 1, 2, 21 & 22
- Direction of rotation by springs: clockwise (for valve normally closed at rest)