8102823 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  6 bar
• PFH
  1.01E-7
• Swivel angle
  90 deg
• Depth shaft connection
  19 mm
• Size of valve actuator
  120
• 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.
• Type code
  DFPD
• Standard connection for valve
  ISO 5211
• 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
• Flange hole pattern
  F07
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mode of operation
  Single-acting
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 90° swivel angle
  44.8 Nm
• Shaft material
  High-alloy stainless steel
• Devices type according to VDMA 66413
  Safety device
Maritime classification
See certificate
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
Symbol
00991266
ATEX category gas
II 2G
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
Spring return torque with 90° swivel angle
83.3 Nm
Pneumatic connection
1/4 NPT
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Cam material
Cast stainless steel
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Design
Gear rack/pinion
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
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Spring return torque at 0° swivel angle
42.1 Nm
Product weight
5747 g
Shaft connection
T17
Material of piston
Die-cast aluminum
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Type of ignition protection for gas
Ex h IIC T4 Gb 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.
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
4.3 l
Note on materials
RoHS-compliant
Seals material
NBR
Material of spring
Spring steel
Material of screws
High-alloy stainless steel
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 0° swivel angle
86 Nm
PFD
7.8E-4
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM

Related documents 8102823 Specs