549679 Festo Quarter Turn Actuators

549679 Product Details

• Swivel angle
  90 deg
• Type code
  DAPS
• Design
  Scotch yoke system
• Connection pressure for spring force
  4.2 bar
• Nominal operating pressure
  5.6 bar
• Flange hole pattern
  F12
• Information on the end-position adjusting range
  One end position optionally adjustable
• Mounting position
  Any
• Symbol
  00991266
• 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 50° swivel angle
  270 Nm
• Shaft connection
  T36
• Seals material
  FPM PUR
• Material number for shaft
  1.4305
• Size of valve actuator
  0720
• Depth shaft connection
  38.5 mm
• Mode of operation
  Single-acting
• 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
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque at 0° swivel angle
360 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.
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
29.4 l
Pneumatic connection
G1/4
Material of screws
High-alloy steel
End-position adjusting range at nominal swivel angle
81 deg ... 91 deg
Cushioning
No cushioning
Position sensing
None
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category for dust
II 2D
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
840 Nm
Product weight
33000 g
Note on materials
RoHS-compliant
Shaft material
High-alloy steel
End-position adjusting range at 0°
-1 deg ... 9 deg
Standard connection for valve
ISO 5211
Closing direction
Clockwise closing
Type of ignition protection for gas
Ex h IIC T6...T3 Gb X
Ambient temperature
-20 °C ... 80 °C
Torque at nominal operating pressure and 90° swivel angle
660 Nm
Spring force
3
Housing material
Wrought aluminum alloy
Operating pressure
4.2 bar ... 8.4 bar
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Torque at nominal operating pressure and 50° swivel angle
450 Nm
Spring return torque with 90° swivel angle
540 Nm
Cover material
Wrought aluminum alloy

Product condition

Related documents 549679 Specs