8102847 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  240
• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mounting position
  Any
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  171.6 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  8.6 l
• Seals material
  NBR
• Material of spring
  Spring steel
• 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.
• Maritime classification
  See certificate
• Depth shaft connection
  24 mm
• Closing direction
  Clockwise closing
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• ATEX category for dust
  II 2D
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Storage temperature
  -20 °C ... 60 °C
• Torque at nominal operating pressure and 90° swivel angle
  89.5 Nm
Pneumatic connection
1/4 NPT
Cover material
Die-cast aluminum, coated
Shaft material
High-alloy stainless steel
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
Type of ignition protection for gas
Ex h IIC T4 Gb X
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Spring return torque at 0° swivel angle
84 Nm
Note on materials
RoHS-compliant
Material of bearing
POM
Flange hole pattern
F10
Type code
DFPD
Mode of operation
Single-acting
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Ambient temperature
-20 °C ... 80 °C
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
Cam material
Steel
Material of screws
High-alloy stainless steel
Nominal operating pressure
6 bar
PFH
1.01E-7
Swivel angle
90 deg
Design
Gear rack/pinion
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
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)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque with 90° swivel angle
166.1 Nm
Product weight
10053 g
Shaft connection
T22
Housing material
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum

Related documents 8102847 Specs