549685 Festo Quarter Turn Actuators

Product Details

• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Symbol
  00991266
• 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
• Information on operating and pilot media
  Operation with oil lubrication possible (required for further use)
• Flange hole pattern
  F16
• Type code
  DAPS
• Design
  Scotch yoke system
• Nominal operating pressure
  5.6 bar
• Ambient temperature
  -20 °C ... 80 °C
• Corrosion resistance class (CRC)
  3 - High corrosion stress
• Spring return torque with 50° swivel angle
  308 Nm
• Pneumatic connection
  G3/8
• Shaft material
  High-alloy steel
• Mounting position
  Any
• Mode of operation
  Single-acting
• 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 at 0° swivel angle
411 Nm
Material of screws
High-alloy steel
Swivel angle
90 deg
End-position adjusting range at nominal swivel angle
85 deg ... 95 deg
Cushioning
No cushioning
Position sensing
None
Safety integrity level (SIL)
Up to SIL 2 high demand mode Up to SIL 2 low demand mode
ATEX category gas
II 2G
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
77 l
Note on materials
RoHS-compliant
Size of valve actuator
1440
Depth shaft connection
49.5 mm
Closing direction
Clockwise closing
Connection pressure for spring force
2.8 bar
ATEX category for dust
II 2D
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
1
Shaft connection
T46
Housing material
Wrought aluminum alloy
Material number for shaft
1.4305
Spring return torque with 90° swivel angle
617 Nm
Product weight
74000 g
Cover material
Wrought aluminum alloy
Seals material
FPM PUR

549685 Related Documents