561696 Festo Quarter Turn Actuators

Product Details

• Swivel angle
  90 deg
• Design
  Scotch yoke system
• Operating pressure
  5.6 bar ... 8.4 bar
• Type of ignition protection for gas
  Ex h IIC T6...T3 Gb X
• Explosive ambient temperature
  -20°C <= Ta <= +60°C
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Type code
  DAPS
• Symbol
  00991266
• Nominal operating pressure
  5.6 bar
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Torque at nominal operating pressure and 50° swivel angle
  2000 Nm
• Spring force
  4
• Shaft connection
  T55
• Seals material
  FPM PUR
• Flange hole pattern
  F25
• Depth shaft connection
  58 mm
• Cushioning
  No cushioning
• Closing direction
  Clockwise closing
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
Type of (ignition) protection for dust
Ex h IIIC T85°C...T200°C Db X
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
203.7 l
Note on materials
RoHS-compliant
Material number for shaft
1.4305
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 for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
Torque at nominal operating pressure and 0° swivel angle
4000 Nm
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.
Spring return torque with 90° swivel angle
4000 Nm
Pneumatic connection
G3/8
Housing material
Wrought aluminum alloy
Size of valve actuator
4000
End-position adjusting range at nominal swivel angle
85 deg ... 95 deg
Mode of operation
Single-acting
Connection pressure for spring force
5.6 bar
ATEX category gas
II 2G
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Spring return torque at 0° swivel angle
2666 Nm
Cover material
Wrought aluminum alloy
Material of screws
High-alloy steel
Corrosion resistance class (CRC)
3 - High corrosion stress
Torque at nominal operating pressure and 90° swivel angle
2666 Nm
Spring return torque with 50° swivel angle
2000 Nm
Product weight
183000 g
Shaft material
High-alloy steel

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