8048016 Festo Quarter Turn Actuators

Product Details

• 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.
• Swivel angle
  90 deg
• Depth shaft connection
  12 mm
• Mode of operation
  Single-acting
• Symbol
  00991266
• ATEX category for dust
  II 2D
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Spring return torque with 90° swivel angle
  7.1 Nm
• Note on materials
  RoHS-compliant
• Seals material
  NBR
• Material of bearing
  POM
• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Type code
  DFPD
• Standard connection for valve
  ISO 5211
• 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 gas
  Ex h IIC T4 Gb X
Explosive ambient temperature
-20°C <= Ta <= +80°C
Spring return torque at 0° swivel angle
3.6 Nm
Pneumatic connection
G1/8
Material of piston
Die-cast aluminum
Maritime classification
See certificate
Flange hole pattern
F05
Design
Gear rack/pinion
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category gas
II 2G
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Storage temperature
-20 °C ... 60 °C
Torque at nominal operating pressure and 0° swivel angle
7.4 Nm
Product weight
1371 g
Shaft connection
T11
Material of screws
High-alloy stainless steel
Nominal operating pressure
3 bar
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Closing direction
Clockwise closing
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
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)
Torque at nominal operating pressure and 90° swivel angle
3.8 Nm
PFD
7.8E-4
Material of sub-base
Wrought aluminum alloy, anodized
Material of spring
Spring steel
Cam material
Cast stainless steel
Devices type according to VDMA 66413
Safety device
PFH
1.01E-7
Mounting position
Any
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
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.
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
0.8 l
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel

Related documents 8048016 Specs