8102912 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  4.5 bar
• Maritime classification
  See certificate
• Depth shaft connection
  48 mm
• Design
  Gear rack/pinion
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 3
• 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
• 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.
• PFD
  7.8E-4
• Material of sub-base
  Wrought aluminum alloy, anodized
• Housing material
  Wrought aluminum alloy, anodized
• Shaft material
  High-alloy stainless steel
• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• Swivel angle
  90 deg
• Type code
  DFPD
• Closing direction
  Clockwise closing
• 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
Product weight
74695 g
Note on materials
RoHS-compliant
Material of spring
Spring steel
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.
Standard connection for valve
ISO 5211
ATEX category gas
II 2G
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 90° swivel angle
700.6 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
84.4 l
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Cam material
Steel
Size of valve actuator
2300
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
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
Explosive ambient temperature
-20°C <= Ta <= +80°C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 0° swivel angle
1163 Nm
Spring return torque at 0° swivel angle
663.3 Nm
Shaft connection
T46
Seals material
NBR
Material of piston
Die-cast aluminum
Flange hole pattern
F16
End-position adjusting range at 0°
-5 deg ... 5 deg
Mode of operation
Single-acting
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Symbol
00991266
ATEX category for dust
II 2D
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Spring return torque with 90° swivel angle
1127 Nm
Pneumatic connection
G1/4
Material of screws
High-alloy stainless steel

Related documents 8102912 Specs