8048123 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  5.5 bar
• PFH
  1.01E-7
• MTTFd
  1126 years
• Depth shaft connection
  19 mm
• 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
• Explosive ambient temperature
  -20°C <= Ta <= +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)
• 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.
• Shaft connection
  T17
• Cam material
  Cast stainless steel
• Material of screws
  High-alloy stainless steel
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mode of operation
  Double-acting
• Design
  Gear rack/pinion
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Product weight
  4872 g
• Note on materials
  RoHS-compliant
Pneumatic connection
G1/4
Size of valve actuator
120
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
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
Torque at nominal operating pressure and 0° swivel angle
117.4 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
10.4 l
Seals material
NBR
Housing material
Wrought aluminum alloy, anodized
Shaft material
Steel, nickel-plated
Devices type according to VDMA 66413
Safety device
Flange hole pattern
F0507
Standard connection for valve
ISO 5211
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 90° swivel angle
117.4 Nm
PFD
0.00142
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Operating pressure
2 bar ... 8 bar
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
Symbol
00991265
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Storage temperature
-20 °C ... 60 °C
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM

Related documents 8048123 Specs