549696 Festo Quarter Turn Actuators

Product Details

• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Cushioning
  No cushioning
• Type code
  DAPS
• Safety integrity level (SIL)
  Up to SIL 2 high demand mode Up to SIL 2 low demand mode
• Operating pressure
  5.6 bar ... 8.4 bar
• Explosive ambient temperature
  -20°C <= Ta <= +60°C
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Flange hole pattern
  F16
• Depth shaft connection
  49.5 mm
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Connection pressure for spring force
  5.6 bar
• Type of (ignition) protection for dust
  Ex h IIIC T85°C...T200°C Db X
• Corrosion resistance class (CRC)
  3 - High corrosion stress
• Torque at nominal operating pressure and 0° swivel angle
  2880 Nm
• Spring return torque with 90° swivel angle
  2880 Nm
• Pneumatic connection
  G3/8
• Material number for shaft
  1.4305
• Swivel angle
  90 deg
• Mounting position
  Any
Closing direction
Clockwise closing
Nominal operating pressure
5.6 bar
Type of ignition protection for gas
Ex h IIC T6...T3 Gb X
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Torque at nominal operating pressure and 90° swivel angle
1920 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
147 l
Product weight
117000 g
Cover material
Wrought aluminum alloy
Standard connection for valve
ISO 5211
Position sensing
None
Symbol
00991266
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque with 50° swivel angle
1440 Nm
Shaft connection
T46
Material of screws
High-alloy steel
Size of valve actuator
2880
End-position adjusting range at nominal swivel angle
85 deg ... 95 deg
Design
Scotch yoke system
ATEX category gas
II 2G
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
Torque at nominal operating pressure and 50° swivel angle
1440 Nm
Spring return torque at 0° swivel angle
1920 Nm
Housing material
Wrought aluminum alloy
Note on materials
RoHS-compliant
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 force
4
Seals material
FPM PUR
Shaft material
High-alloy steel

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