8066436 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• Swivel angle
  90 deg
• Mode of operation
  Single-acting
• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F05
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Closing direction
  Clockwise closing
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• ATEX category for dust
  II 2D
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• 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.
• PFD
  7.8E-4
• Note on materials
  RoHS-compliant
• Material of spring
  Spring steel
• Material of piston
  Die-cast aluminum
• Size of valve actuator
  20
• 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.
• Depth shaft connection
  12 mm
Type code
DFPD
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
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
7.1 Nm
Shaft connection
T11
Seals material
NBR
Cam material
Cast stainless steel
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
Design
Gear rack/pinion
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 0° swivel angle
7.4 Nm
Spring return torque at 0° swivel angle
3.6 Nm
Product weight
1371 g
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Nominal operating pressure
3 bar
MTTFd
1126 years
Type of ignition protection for gas
Ex h IIC T4 Gb X
Ambient temperature
-20 °C ... 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)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
0.8 l
Shaft material
High-alloy stainless steel
Symbol
00991266
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
3.8 Nm
Pneumatic connection
1/8 NPT
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM
Material of screws
High-alloy stainless steel

Related documents 8066436 Specs