549695 Festo Quarter Turn Actuators

Product Details

• Flange hole pattern
  F16
• Type code
  DAPS
• Mounting position
  Any
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Connection pressure for spring force
  4.2 bar
• Type of ignition protection for gas
  Ex h IIC T6...T3 Gb X
• Explosive ambient temperature
  -20°C <= Ta <= +60°C
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Size of valve actuator
  2880
• Depth shaft connection
  49.5 mm
• Design
  Scotch yoke system
• Closing direction
  Clockwise closing
• ATEX category gas
  II 2G
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  3360 Nm
• Spring return torque with 90° swivel angle
  2160 Nm
• Shaft connection
  T46
• Seals material
  FPM PUR
• Material number for shaft
  1.4305
• End-position adjusting range at 0°
  -5 deg ... 5 deg
Mode of operation
Single-acting
Safety integrity level (SIL)
Up to SIL 2 high demand mode Up to SIL 2 low demand mode
Operating pressure
4.2 bar ... 8.4 bar
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
3 - High corrosion stress
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.
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
147 l
Note on materials
RoHS-compliant
Material of screws
High-alloy steel
Swivel angle
90 deg
Standard connection for valve
ISO 5211
Symbol
00991266
Nominal operating pressure
5.6 bar
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 50° swivel angle
1800 Nm
Product weight
117000 g
End-position adjusting range at nominal swivel angle
85 deg ... 95 deg
Cushioning
No cushioning
Position sensing
None
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)
Spring return torque at 0° swivel angle
1440 Nm
Pneumatic connection
G3/8
Shaft material
High-alloy steel
Torque at nominal operating pressure and 90° swivel angle
2640 Nm
Spring force
3
Spring return torque with 50° swivel angle
1080 Nm
Cover material
Wrought aluminum alloy
Housing material
Wrought aluminum alloy

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