8066450 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F0710
• Type code
  DFPD
• Design
  Gear rack/pinion
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Information on operating and pilot media
  Dew point min. 10 °C below the ambient and medium temperature Operation with oil lubrication possible (required for further use)
• 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.
• Material of sub-base
  Wrought aluminum alloy, anodized
• Cam material
  Steel
• Nominal operating pressure
  3 bar
• MTTFd
  1126 years
• Depth shaft connection
  24 mm
• Closing direction
  Clockwise closing
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• ATEX category for dust
  II 2D
• Product weight
  9442 g
• Shaft connection
  T22
• Material of piston
  Die-cast aluminum
• Size of valve actuator
  240
Safety function
The fundamental safety function is that the control valve moves to the switching position when the compressed air is turned off. It is reset by spring force.
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Certified for safety function to ISO 13849 and IEC 61508 (SIL)
Product can be used in safety-related parts of control systems up to SIL 2, low demand up to SIL 3 in a redundant architecture
Ambient temperature
-20 °C ... 80 °C
Explosive ambient temperature
-20°C <= Ta <= +80°C
Storage temperature
-20 °C ... 60 °C
Spring return torque at 0° swivel angle
42 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
8.6 l
Pneumatic connection
1/4 NPT
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
Operating pressure
2 bar ... 8 bar
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Symbol
00991266
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
Type of ignition protection for gas
Ex h IIC T4 Gb X
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)
Torque at nominal operating pressure and 0° swivel angle
85.8 Nm
Spring return torque with 90° swivel angle
83 Nm
PFD
7.8E-4
Seals material
NBR
Cover material
Die-cast aluminum, coated
Shaft material
Steel, nickel-plated
Swivel angle
90 deg
Standard connection for valve
ISO 5211
Mode of operation
Single-acting
ATEX category gas
II 2G
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
44.8 Nm
Note on materials
RoHS-compliant
Material of spring
Spring steel
Material of bearing
POM

Related documents 8066450 Specs