8102868 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  480
• Swivel angle
  90 deg
• Depth shaft connection
  29 mm
• Devices type according to VDMA 66413
  Safety device
• PFH
  1.01E-7
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mounting position
  Any
• Design
  Gear rack/pinion
• ATEX category gas
  II 2G
• Ambient temperature
  -20 °C ... 80 °C
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Torque at nominal operating pressure and 0° swivel angle
  347.1 Nm
• PFD
  7.8E-4
• Pneumatic connection
  G1/4
• Housing material
  Wrought aluminum alloy, anodized
• Cam material
  Steel
• MTTFd
  1126 years
• Type code
  DFPD
• 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
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
336.1 Nm
Seals material
NBR
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.
Flange hole pattern
F12
Mode of operation
Single-acting
Closing direction
Clockwise closing
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
ATEX category for dust
II 2D
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 90° swivel angle
181 Nm
Shaft connection
T27
Material of sub-base
Wrought aluminum alloy, anodized
Material of spring
Spring steel
Operating pressure
2 bar ... 8 bar
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
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°
17.2 l
Note on materials
RoHS-compliant
Material of piston
Die-cast aluminum
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
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)
Spring return torque at 0° swivel angle
170 Nm
Product weight
18504 g
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Material of screws
High-alloy stainless steel

Related documents 8102868 Specs