8102848 Festo Quarter Turn Actuators

Product Details

• Symbol
  00991266
• Maritime classification
  See certificate
• Depth shaft connection
  24 mm
• Design
  Gear rack/pinion
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 2
• ATEX category for dust
  II 2D
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• 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)
• Size of valve actuator
  240
• 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
• Flange hole pattern
  F10
• Mounting position
  Any
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• 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.
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  8.6 l
Shaft connection
T22
Housing material
Wrought aluminum alloy, anodized
Devices type according to VDMA 66413
Safety device
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mode of operation
Single-acting
Type of ignition protection for gas
Ex h IIC T4 Gb X
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 90° swivel angle
52.2 Nm
Product weight
9539 g
Material of piston
Die-cast aluminum
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Type code
DFPD
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
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque with 90° swivel angle
96.9 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Cam material
Steel
Nominal operating pressure
3.5 bar
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Storage temperature
-20 °C ... 60 °C
Pneumatic connection
G1/4
Material of spring
Spring steel
Material of bearing
POM
Torque at nominal operating pressure and 0° swivel angle
100.1 Nm
Spring return torque at 0° swivel angle
49 Nm
PFD
7.8E-4
Note on materials
RoHS-compliant
Seals material
NBR
Cover material
Die-cast aluminum, coated
Material of screws
High-alloy stainless steel
Shaft material
High-alloy stainless steel

Related documents 8102848 Specs