549693 Festo Quarter Turn Actuators

Product Details

• Depth shaft connection
  49.5 mm
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Nominal operating pressure
  5.6 bar
• ATEX category for dust
  II 2D
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Corrosion resistance class (CRC)
  3 - High corrosion stress
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  147 l
• Spring return torque with 50° swivel angle
  720 Nm
• Material of screws
  High-alloy steel
• Flange hole pattern
  F16
• Standard connection for valve
  ISO 5211
• Position sensing
  None
• Information on operating and pilot media
  Operation with oil lubrication possible (required for further use)
• Spring force
  1
• Pneumatic connection
  G3/8
• Material number for shaft
  1.4305
• Swivel angle
  90 deg
• Cushioning
  No cushioning
• Symbol
  00991266
Operating pressure
2.8 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
1440 Nm
Shaft connection
T46
Housing material
Wrought aluminum alloy
Size of valve actuator
2880
End-position adjusting range at nominal swivel angle
85 deg ... 95 deg
Design
Scotch yoke system
Safety integrity level (SIL)
Up to SIL 2 high demand mode Up to SIL 2 low demand mode
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +60°C
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.
Cover material
Wrought aluminum alloy
Shaft material
High-alloy steel
End-position adjusting range at 0°
-5 deg ... 5 deg
Type code
DAPS
Mounting position
Any
Closing direction
Clockwise closing
Connection pressure for spring force
2.8 bar
Type of ignition protection for gas
Ex h IIC T6...T3 Gb X
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque at 0° swivel angle
960 Nm
Product weight
117000 g
Note on materials
RoHS-compliant
Seals material
FPM PUR

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