549670 Festo Quarter Turn Actuators

Product Details

• Design
  Scotch yoke system
• Position sensing
  None
• Swivel angle
  90 deg
• End-position adjusting range at nominal swivel angle
  85 deg ... 95 deg
• Type code
  DAPS
• Closing direction
  Clockwise closing
• Operating pressure
  1 bar ... 8.4 bar
• 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
  1440 Nm
• Note on materials
  RoHS-compliant
• Material number for shaft
  1.4305
• Size of valve actuator
  2880
• Cushioning
  No cushioning
• Mounting position
  Any
• Symbol
  00991265
• ATEX category gas
  II 2G
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Corrosion resistance class (CRC)
  3 - High corrosion stress
• Torque at nominal operating pressure and 0° swivel angle
  2880 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
140 l
Pneumatic connection
G3/8
Flange hole pattern
F16
Depth shaft connection
49.5 mm
Mode of operation
Double-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
Torque at nominal operating pressure and 90° swivel angle
2160 Nm
Shaft connection
T46
Shaft material
High-alloy steel
End-position adjusting range at 0°
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Safety integrity level (SIL)
Up to SIL 2 high demand mode Up to SIL 2 low demand mode
ATEX category for dust
II 2D
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
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
Housing material
Wrought aluminum alloy
Nominal operating pressure
5.6 bar
Ambient temperature
-20 °C ... 80 °C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Product weight
56000 g
Seals material
FPM PUR
Material of screws
High-alloy steel

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