549694 Festo Quarter Turn Actuators

Product Details

• Swivel angle
  90 deg
• Depth shaft connection
  49.5 mm
• Cushioning
  No cushioning
• Design
  Scotch yoke system
• 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)
• Corrosion resistance class (CRC)
  3 - High corrosion stress
• Spring force
  2
• Shaft connection
  T46
• Housing material
  Wrought aluminum alloy
• Safety integrity level (SIL)
  Up to SIL 2 high demand mode Up to SIL 2 low demand mode
• Type of ignition protection for gas
  Ex h IIC T6...T3 Gb X
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Spring return torque at 0° swivel angle
  1200 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  147 l
• Cover material
  Wrought aluminum alloy
• Shaft material
  High-alloy steel
• Explosive ambient temperature
  -20°C <= Ta <= +60°C
Torque at nominal operating pressure and 0° swivel angle
3600 Nm
Spring return torque with 50° swivel angle
900 Nm
Pneumatic connection
G3/8
Seals material
FPM PUR
Flange hole pattern
F16
End-position adjusting range at 0°
-5 deg ... 5 deg
Type code
DAPS
Mounting position
Any
Position sensing
None
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
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)
Torque at nominal operating pressure and 50° swivel angle
1980 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.
Note on materials
RoHS-compliant
Material number for shaft
1.4305
Size of valve actuator
2880
End-position adjusting range at nominal swivel angle
85 deg ... 95 deg
Standard connection for valve
ISO 5211
Mode of operation
Single-acting
Closing direction
Clockwise closing
Nominal operating pressure
5.6 bar
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 90° swivel angle
3000 Nm
Spring return torque with 90° swivel angle
1800 Nm
Product weight
117000 g
Material of screws
High-alloy steel

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