8065338 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  5.5 bar
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Type code
  DFPD
• Mounting position
  Any
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• 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)
• Product weight
  2419 g
• Pneumatic connection
  G1/8
• Cam material
  High-alloy stainless steel
• Swivel angle
  120 deg
• Closing direction
  Clockwise closing
• 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]
• Torque at nominal operating pressure and 0° swivel angle
  38.3 Nm
• Cover material
  Die-cast aluminum, coated
• Material of screws
  High-alloy stainless steel
• Safety function
  The fundamental safety function is the execution of a complete working stroke (opening and closing of the process valve) within a defined time.
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
Design
Gear rack/pinion
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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)
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°
4.2 l
Note on materials
RoHS-compliant
Housing material
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Size of valve actuator
40
Devices type according to VDMA 66413
Safety device
Flange hole pattern
F0507
Depth shaft connection
16 mm
Mode of operation
Double-acting
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
ATEX category for dust
II 2D
Explosive ambient temperature
-20°C <= Ta <= +80°C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Storage temperature
-20 °C ... 60 °C
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM
Shaft material
Steel, nickel-plated
Operating pressure
2 bar ... 8 bar
PFH
1.01E-7
Maritime classification
See certificate
Standard connection for valve
ISO 5211
Symbol
00991265
Type of (ignition) protection for dust
Ex h IIIC T105°C Db 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)
Torque at nominal operating pressure and 90° swivel angle
38.3 Nm
PFD
0.00142
Shaft connection
T14
Seals material
NBR

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