8102858 Festo Quarter Turn Actuators

Product Details

• Depth shaft connection
  24 mm
• Maritime classification
  See certificate
• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mounting position
  Any
• Symbol
  00991266
• ATEX category gas
  II 2G
• 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
  81.3 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  11 l
• Housing material
  Wrought aluminum alloy, anodized
• 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.
• PFH
  1.01E-7
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Design
  Gear rack/pinion
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 2
• Ambient temperature
  -20 °C ... 80 °C
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 0° swivel angle
165.7 Nm
PFD
7.8E-4
Pneumatic connection
G1/4
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Nominal operating pressure
4.5 bar
MTTFd
1126 years
Swivel angle
90 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
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
86.4 Nm
Product weight
12463 g
Material of sub-base
Wrought aluminum alloy, anodized
Seals material
NBR
Cam material
Steel
Size of valve actuator
300
Flange hole pattern
F10
Mode of operation
Single-acting
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 dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
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.
Note on materials
RoHS-compliant
Material of spring
Spring steel
Material of screws
High-alloy stainless steel
Closing direction
Clockwise closing
ATEX category for dust
II 2D
Type of ignition protection for gas
Ex h IIC T4 Gb X
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque with 90° swivel angle
160.6 Nm
Shaft connection
T22
Material of piston
Die-cast aluminum
Shaft material
High-alloy stainless steel

Related documents 8102858 Specs