549690 Festo Quarter Turn Actuators

Product Details

• Swivel angle
  90 deg
• Type code
  DAPS
• Connection pressure for spring force
  3.5 bar
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -20°C <= Ta <= +60°C
• Torque at nominal operating pressure and 0° swivel angle
  2400 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.
• Product weight
  67000 g
• Note on materials
  RoHS-compliant
• Shaft material
  High-alloy steel
• Size of valve actuator
  1920
• Depth shaft connection
  49 mm
• Cushioning
  No cushioning
• Position sensing
  None
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Operating pressure
  3.5 bar ... 8.4 bar
• Type of (ignition) protection for dust
  Ex h IIIC T85°C...T200°C Db X
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Spring return torque with 90° swivel angle
  1200 Nm
• Spring force
  2
Cover material
Wrought aluminum alloy
Material number for shaft
1.4305
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
Closing direction
Clockwise closing
Safety integrity level (SIL)
Up to SIL 2 high demand mode Up to SIL 2 low demand mode
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 50° swivel angle
1320 Nm
Pneumatic connection
G3/8
Housing material
Wrought aluminum alloy
Standard connection for valve
ISO 5211
Design
Scotch yoke system
Nominal operating pressure
5.6 bar
Ambient temperature
-20 °C ... 80 °C
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Spring return torque at 0° swivel angle
800 Nm
Shaft connection
T46
Seals material
FPM PUR
Flange hole pattern
F16
End-position adjusting range at nominal swivel angle
85 deg ... 95 deg
Mode of operation
Single-acting
Symbol
00991266
Type of ignition protection for gas
Ex h IIC T6...T3 Gb X
ATEX category for dust
II 2D
Corrosion resistance class (CRC)
3 - High corrosion stress
Torque at nominal operating pressure and 90° swivel angle
2000 Nm
Spring return torque with 50° swivel angle
600 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
91.7 l
Material of screws
High-alloy steel

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