561694 Festo Quarter Turn Actuators

Product Details

• Flange hole pattern
  F25
• End-position adjusting range at nominal swivel angle
  85 deg ... 95 deg
• Cushioning
  No cushioning
• Closing direction
  Clockwise closing
• Position sensing
  None
• ATEX category gas
  II 2G
• Ambient temperature
  -20 °C ... 80 °C
• Swivel angle
  90 deg
• Type code
  DAPS
• Design
  Scotch yoke system
• Safety integrity level (SIL)
  Up to SIL 2 high demand mode Up to SIL 2 low demand mode
• ATEX category for dust
  II 2D
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Corrosion resistance class (CRC)
  3 - High corrosion stress
• Torque at nominal operating pressure and 90° swivel angle
  4166 Nm
• Spring return torque with 50° swivel angle
  1250 Nm
• Product weight
  183000 g
• Pneumatic connection
  G3/8
• Seals material
  FPM PUR
• Size of valve actuator
  4000
Depth shaft connection
58 mm
Standard connection for valve
ISO 5211
Nominal operating pressure
5.6 bar
Type of (ignition) protection for dust
Ex h IIIC T85°C...T200°C Db X
End-position adjusting range at 0°
-5 deg ... 5 deg
Mode of operation
Single-acting
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Type of ignition protection for gas
Ex h IIC T6...T3 Gb X
Explosive ambient temperature
-20°C <= Ta <= +60°C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 50° swivel angle
2750 Nm
Spring return torque at 0° swivel angle
1666 Nm
Spring force
2
Note on materials
RoHS-compliant
Housing material
Wrought aluminum alloy
Material of screws
High-alloy steel
Shaft material
High-alloy steel
Mounting position
Any
Symbol
00991266
Connection pressure for spring force
3.5 bar
Operating pressure
3.5 bar ... 8.4 bar
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 0° swivel angle
5000 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
2500 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
203.7 l
Shaft connection
T55
Cover material
Wrought aluminum alloy
Material number for shaft
1.4305
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)

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