8048125 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  5.5 bar
• MTTFd
  1126 years
• Swivel angle
  90 deg
• Design
  Gear rack/pinion
• Operating pressure
  2 bar ... 8 bar
• Flange hole pattern
  F0710
• Type code
  DFPD
• Closing direction
  Clockwise closing
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• 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.
• Housing material
  Wrought aluminum alloy, anodized
• Material of bearing
  POM
• Size of valve actuator
  240
• Devices type according to VDMA 66413
  Safety device
• PFH
  1.01E-7
• Standard connection for valve
  ISO 5211
• Mode of operation
  Double-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
Type of ignition protection for gas
Ex h IIC T4 Gb 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)
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)
Pneumatic connection
G1/4
Shaft connection
T22
Cover material
Die-cast aluminum, coated
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.
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Depth shaft connection
24 mm
Symbol
00991265
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 0° swivel angle
234.3 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
20.3 l
Note on materials
RoHS-compliant
Material of piston
Die-cast aluminum
Shaft material
Steel, nickel-plated
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Ambient temperature
-20 °C ... 80 °C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
PFD
0.00142
Material of sub-base
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
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
ATEX category for dust
II 2D
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
234.3 Nm
Product weight
8594 g
Seals material
NBR
Cam material
Steel

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