8048131 Festo Quarter Turn Actuators

Product Details

• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Depth shaft connection
  24 mm
• Nominal operating pressure
  5.5 bar
• PFH
  1.01E-7
• Maritime classification
  See certificate
• Mode of operation
  Double-acting
• 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)
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Product weight
  11224 g
• Pneumatic connection
  G1/4
• Material of piston
  Die-cast aluminum
• Cam material
  Steel
• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mounting position
  Any
• Symbol
  00991265
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Torque at nominal operating pressure and 0° swivel angle
301.9 Nm
PFD
0.00142
Note on materials
RoHS-compliant
Material of bearing
POM
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
Standard connection for valve
ISO 5211
Closing direction
Clockwise closing
Type of ignition protection for gas
Ex h IIC T4 Gb X
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
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.
Torque at nominal operating pressure and 90° swivel angle
301.9 Nm
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Flange hole pattern
F0710
Type code
DFPD
Design
Gear rack/pinion
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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
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
Shaft connection
T22
Material of sub-base
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
26.4 l
Seals material
NBR
Cover material
Die-cast aluminum, coated

8048131 Related Documents