8065276 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  6 bar
• Flange hole pattern
  F1216
• Type code
  DFPD
• Design
  Gear rack/pinion
• ATEX category gas
  II 2G
• 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)
• Swivel angle
  90 deg
• Standard connection for valve
  ISO 5211
• Closing direction
  Clockwise closing
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Ambient temperature
  -20 °C ... 80 °C
• Torque at nominal operating pressure and 0° swivel angle
  1523 Nm
• Torque at nominal operating pressure and 90° swivel angle
  885.2 Nm
• Note on materials
  RoHS-compliant
• Seals material
  NBR
• Material of piston
  Die-cast aluminum
• Material of screws
  High-alloy stainless steel
• 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.
End-position adjusting range at 0°
-5 deg ... 5 deg
Depth shaft connection
48 mm
Mounting position
Any
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
ATEX category for dust
II 2D
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Spring return torque at 0° swivel angle
913.2 Nm
Product weight
77884 g
Size of valve actuator
2300
Devices type according to VDMA 66413
Safety device
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Symbol
00991266
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
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
PFD
7.8E-4
Material of sub-base
Wrought aluminum alloy, anodized
Material of spring
Spring steel
Cam material
Steel
MTTFd
1126 years
Maritime classification
See certificate
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
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque with 90° swivel angle
1551 Nm
Shaft connection
T46
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
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°
84.4 l
Pneumatic connection
G1/4
Material of bearing
POM
Shaft material
High-alloy stainless steel

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