8048139 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  3 bar
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Type code
  DFPD
• Mounting position
  Any
• 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
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Explosive ambient temperature
  -20°C <= Ta <= +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.
• Note on materials
  RoHS-compliant
• Material of piston
  Die-cast aluminum
• Maritime classification
  See certificate
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Design
  Gear rack/pinion
• 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
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Storage temperature
-20 °C ... 60 °C
Torque at nominal operating pressure and 0° swivel angle
110.5 Nm
Product weight
12052 g
Pneumatic connection
G1/4
Material of sub-base
Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized
Devices type according to VDMA 66413
Safety device
PFH
1.01E-7
Swivel angle
90 deg
Spring return torque at 0° swivel angle
54.2 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
11 l
Material of spring
Spring steel
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.
Flange hole pattern
F0710
Depth shaft connection
24 mm
Mode of operation
Single-acting
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
ATEX category gas
II 2G
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 90° swivel angle
57.6 Nm
PFD
7.8E-4
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Shaft material
Steel, nickel-plated
Size of valve actuator
300
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
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
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
107 Nm
Shaft connection
T22
Seals material
NBR
Cam material
Steel

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