549691 Festo Quarter Turn Actuators

Product Details

• Flange hole pattern
  F16
• Type code
  DAPS
• Design
  Scotch yoke system
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  2240 Nm
• Spring return torque with 50° swivel angle
  720 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  91.7 l
• Housing material
  Wrought aluminum alloy
• Material number for shaft
  1.4305
• Depth shaft connection
  49 mm
• Position sensing
  None
• 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 90° swivel angle
  1760 Nm
• Spring force
  3
• Cover material
  Wrought aluminum alloy
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Cushioning
  No cushioning
Mounting position
Any
Safety integrity level (SIL)
Up to SIL 2 high demand mode Up to SIL 2 low demand mode
Type of ignition protection for gas
Ex h IIC T6...T3 Gb X
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Spring return torque with 90° swivel angle
1440 Nm
Note on materials
RoHS-compliant
Seals material
FPM PUR
Size of valve actuator
1920
Standard connection for valve
ISO 5211
Symbol
00991266
Operating pressure
4.2 bar ... 8.4 bar
Explosive ambient temperature
-20°C <= Ta <= +60°C
Type of (ignition) protection for dust
Ex h IIIC T85°C...T200°C Db X
Torque at nominal operating pressure and 50° swivel angle
1200 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.
Pneumatic connection
G3/8
Material of screws
High-alloy steel
Swivel angle
90 deg
End-position adjusting range at nominal swivel angle
85 deg ... 95 deg
Mode of operation
Single-acting
Connection pressure for spring force
4.2 bar
Closing direction
Clockwise closing
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
3 - High corrosion stress
Spring return torque at 0° swivel angle
960 Nm
Product weight
67000 g
Shaft connection
T46
Shaft material
High-alloy steel

Related documents 549691 Specs