8048126 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• Flange hole pattern
  F0710
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Design
  Gear rack/pinion
• ATEX category gas
  II 2G
• Devices type according to VDMA 66413
  Safety device
• PFH
  1.01E-7
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Closing direction
  Clockwise closing
• 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
• 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
• 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.
• Pneumatic connection
  G1/4
• Housing material
  Wrought aluminum alloy, anodized
• MTTFd
  1126 years
• Symbol
  00991265
• ATEX category for dust
  II 2D
Explosive ambient temperature
-20°C <= Ta <= +80°C
Torque at nominal operating pressure and 0° swivel angle
301.9 Nm
Shaft connection
T22
Material of piston
Die-cast aluminum
Shaft material
Steel, nickel-plated
Size of valve actuator
300
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.
Swivel angle
90 deg
Type code
DFPD
Mode of operation
Double-acting
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
Type of ignition protection for gas
Ex h IIC T4 Gb X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Product weight
11224 g
Note on materials
RoHS-compliant
Seals material
NBR
Material of screws
High-alloy stainless steel
Nominal operating pressure
5.5 bar
Maritime classification
See certificate
Depth shaft connection
24 mm
Mounting position
Any
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Ambient temperature
-20 °C ... 80 °C
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
301.9 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
26.4 l
Cover material
Die-cast aluminum, coated
Material of bearing
POM
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)
PFD
0.00142
Material of sub-base
Wrought aluminum alloy, anodized
Cam material
Steel

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