8066445 Festo Quarter Turn Actuators

Product Details

• Mounting position
  Any
• Flange hole pattern
  F0507
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Storage temperature
  -20 °C ... 60 °C
• PFD
  7.8E-4
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  3.1 l
• Shaft connection
  T17
• Cover material
  Die-cast aluminum, coated
• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• Depth shaft connection
  19 mm
• Mode of operation
  Single-acting
• Closing direction
  Clockwise closing
• ATEX category for dust
  II 2D
• Ambient temperature
  -20 °C ... 80 °C
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Spring return torque with 90° swivel angle
  58.4 Nm
Pneumatic connection
1/8 NPT
Material of piston
Die-cast aluminum
Shaft material
High-alloy stainless steel
Nominal operating pressure
6 bar
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.
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Type code
DFPD
Design
Gear rack/pinion
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
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
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)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque at 0° swivel angle
29.6 Nm
Product weight
3960 g
Material of spring
Spring steel
Cam material
Cast stainless steel
Size of valve actuator
80
MTTFd
1126 years
Maritime classification
See certificate
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 0° swivel angle
60.3 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Seals material
NBR
Material of bearing
POM
Devices type according to VDMA 66413
Safety device
Swivel angle
90 deg
Standard connection for valve
ISO 5211
Symbol
00991266
Type of ignition protection for gas
Ex h IIC T4 Gb X
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Torque at nominal operating pressure and 90° swivel angle
31.5 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.
Note on materials
RoHS-compliant
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel

Related documents 8066445 Specs