549686 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  1440
• End-position adjusting range at nominal swivel angle
  85 deg ... 95 deg
• Design
  Scotch yoke system
• Symbol
  00991266
• Nominal operating pressure
  5.6 bar
• Explosive ambient temperature
  -20°C <= Ta <= +60°C
• Type of (ignition) protection for dust
  Ex h IIIC T85°C...T200°C Db X
• Spring return torque with 50° swivel angle
  450 Nm
• Shaft connection
  T46
• Material number for shaft
  1.4305
• Swivel angle
  90 deg
• Type code
  DAPS
• Cushioning
  No cushioning
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Operating pressure
  3.5 bar ... 8.4 bar
• ATEX category for dust
  II 2D
• Information on operating and pilot media
  Operation with oil lubrication possible (required for further use)
• Torque at nominal operating pressure and 50° swivel angle
  990 Nm
• Spring return torque with 90° swivel angle
  900 Nm
• Cover material
  Wrought aluminum alloy
Material of screws
High-alloy steel
Mode of operation
Single-acting
Position sensing
None
Type of ignition protection for gas
Ex h IIC T6...T3 Gb X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 0° swivel angle
1800 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.
Spring force
2
Note on materials
RoHS-compliant
Seals material
FPM PUR
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
Closing direction
Clockwise closing
Connection pressure for spring force
3.5 bar
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque at 0° swivel angle
600 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
77 l
Pneumatic connection
G3/8
Housing material
Wrought aluminum alloy
Flange hole pattern
F16
Depth shaft connection
49.5 mm
Standard connection for valve
ISO 5211
Safety integrity level (SIL)
Up to SIL 2 high demand mode Up to SIL 2 low demand mode
ATEX category gas
II 2G
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
3 - High corrosion stress
Torque at nominal operating pressure and 90° swivel angle
1500 Nm
Product weight
74000 g
Shaft material
High-alloy steel

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