8102909 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Maritime classification
  See certificate
• Swivel angle
  90 deg
• Design
  Gear rack/pinion
• ATEX category gas
  II 2G
• 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)
• Spring return torque at 0° swivel angle
  663.3 Nm
• Pneumatic connection
  G1/4
• Cam material
  Steel
• Size of valve actuator
  2300
• MTTFd
  1126 years
• Standard connection for valve
  ISO 5211
• Closing direction
  Clockwise closing
• ATEX category for dust
  II 2D
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 90° swivel angle
  700.6 Nm
• PFD
  7.8E-4
• Material of sub-base
  Wrought aluminum alloy, anodized
• Material of piston
  Die-cast aluminum
Material of bearing
POM
Nominal operating pressure
4.5 bar
Flange hole pattern
F16
Mode of operation
Single-acting
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 3
Explosive ambient temperature
-20°C <= Ta <= +80°C
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
84.4 l
Seals material
NBR
Shaft material
High-alloy stainless steel
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
Depth shaft connection
48 mm
Type code
DFPD
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
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)
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.
Product weight
74726 g
Shaft connection
T46
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
Operating pressure
2 bar ... 8 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.
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
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
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]
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 0° swivel angle
1163 Nm
Spring return torque with 90° swivel angle
1127 Nm
Note on materials
RoHS-compliant
Cover material
Die-cast aluminum, coated
Material of spring
Spring steel

Related documents 8102909 Specs