533441 Festo Quarter Turn Actuators

Product Details

• End-position adjusting range at 0°
  -1 deg ... 9 deg
• Standard connection for valve
  ISO 5211
• Design
  Scotch yoke system
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Connection pressure for spring force
  4.2 bar
• Type of (ignition) protection for dust
  Ex h IIIC T85°C...T200°C Db X
• Torque at nominal operating pressure and 0° swivel angle
  105 Nm
• Spring return torque with 50° swivel angle
  33.9 Nm
• Spring force
  3
• Material of screws
  High-alloy steel
• Housing material
  Wrought aluminum alloy
• Size of valve actuator
  0090
• Depth shaft connection
  24.8 mm
• Cushioning
  No cushioning
• Symbol
  00991266
• Nominal operating pressure
  5.6 bar
• Explosive ambient temperature
  -20°C <= Ta <= +60°C
• Information on operating and pilot media
  Operation with oil lubrication possible (required for further use)
• Torque at nominal operating pressure and 50° swivel angle
  56.5 Nm
• Product weight
  5900 g
Note on materials
RoHS-compliant
Seals material
FPM PUR
End-position adjusting range at nominal swivel angle
81 deg ... 91 deg
Mode of operation
Single-acting
Closing direction
Clockwise closing
Operating pressure
4.2 bar ... 8.4 bar
Type of ignition protection for gas
Ex h IIC T6...T3 Gb X
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Spring return torque at 0° swivel angle
45 Nm
Shaft connection
T22
Material number for shaft
1.4305
Swivel angle
90 deg
Type code
DAPS
Mounting position
Any
Position sensing
None
Safety integrity level (SIL)
Up to SIL 2 high demand mode Up to SIL 2 low demand mode
ATEX category gas
II 2G
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Note about the torque
The actuator's operating torque must not be higher than the maximum permissible torque listed in ISO 5211, based on the size of the mounting flange and the coupling.
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
3.85 l
Pneumatic connection
G1/8
Shaft material
High-alloy steel
Flange hole pattern
F07 F10
Information on the end-position adjusting range
One end position optionally adjustable
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
3 - High corrosion stress
Torque at nominal operating pressure and 90° swivel angle
82.5 Nm
Spring return torque with 90° swivel angle
67.5 Nm
Cover material
Wrought aluminum alloy

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