8066457 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• Size of valve actuator
  120
• PFH
  1.01E-7
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• 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)
• Torque at nominal operating pressure and 0° swivel angle
  86 Nm
• PFD
  7.8E-4
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  4.3 l
• Cover material
  Die-cast aluminum, coated
• Cam material
  Cast stainless steel
• Nominal operating pressure
  6 bar
• MTTFd
  1126 years
• Maritime classification
  See certificate
• Depth shaft connection
  19 mm
• Mounting position
  Any
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque at 0° swivel angle
42.1 Nm
Product weight
5736 g
Note on materials
RoHS-compliant
Material of spring
Spring steel
Material of bearing
POM
Swivel angle
90 deg
Type code
DFPD
Symbol
00991266
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
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Storage temperature
-20 °C ... 60 °C
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
Material of piston
Die-cast aluminum
Shaft material
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Closing direction
Clockwise closing
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]
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Shaft connection
T17
Seals material
NBR
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.
Flange hole pattern
F0507
Mode of operation
Single-acting
Design
Gear rack/pinion
ATEX category for dust
II 2D
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
44.8 Nm
Spring return torque with 90° swivel angle
83.3 Nm
Pneumatic connection
1/4 NPT
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel

Related documents 8066457 Specs