8102818 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• 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
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• 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
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Storage temperature
  -20 °C ... 60 °C
• Spring return torque at 0° swivel angle
  24.6 Nm
• Note on materials
  RoHS-compliant
• Material of bearing
  POM
• Shaft material
  High-alloy stainless steel
• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Type code
  DFPD
• Design
  Gear rack/pinion
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category for dust
II 2D
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.
Product weight
5485 g
Seals material
NBR
Cam material
Cast stainless steel
Size of valve actuator
120
Maritime classification
See certificate
Depth shaft connection
19 mm
Symbol
00991266
Spring return torque with 90° swivel angle
48.6 Nm
Shaft connection
T17
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Nominal operating pressure
3.5 bar
Flange hole pattern
F07
Mounting position
Any
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
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)
Torque at nominal operating pressure and 90° swivel angle
26.1 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
4.3 l
Pneumatic connection
G1/4
Material of spring
Spring steel
PFH
1.01E-7
Swivel angle
90 deg
Standard connection for valve
ISO 5211
Closing direction
Clockwise closing
Type of ignition protection for gas
Ex h IIC T4 Gb X
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
50.1 Nm
PFD
7.8E-4
Material of sub-base
Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel

Related documents 8102818 Specs