8102820 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  6 bar
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Type code
  DFPD
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Ambient temperature
  -20 °C ... 80 °C
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• 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.
• Depth shaft connection
  19 mm
• Closing direction
  Clockwise closing
• Symbol
  00991266
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  86 Nm
• Spring return torque at 0° swivel angle
  42.1 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  4.3 l
• Material of sub-base
  Wrought aluminum alloy, anodized
Material of spring
Spring steel
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel
Size of valve actuator
120
Swivel angle
90 deg
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
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
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 with 90° swivel angle
83.3 Nm
Note on materials
RoHS-compliant
Cover material
Die-cast aluminum, coated
Material of bearing
POM
MTTFd
1126 years
Flange hole pattern
F07
Standard connection for valve
ISO 5211
Mode of operation
Single-acting
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
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
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.
Shaft connection
T17
Seals material
NBR
Material of screws
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
Maritime classification
See certificate
PFH
1.01E-7
Design
Gear rack/pinion
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Storage temperature
-20 °C ... 60 °C
Torque at nominal operating pressure and 90° swivel angle
44.8 Nm
PFD
7.8E-4
Product weight
5747 g
Pneumatic connection
G1/4
Material of piston
Die-cast aluminum
Cam material
Cast stainless steel

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