8048128 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  120
• PFH
  1.01E-7
• Mounting position
  Any
• Symbol
  00991265
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• 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)
• Torque at nominal operating pressure and 90° swivel angle
  117.4 Nm
• Pneumatic connection
  G1/4
• Material of sub-base
  Wrought aluminum alloy, anodized
• Operating pressure
  2 bar ... 8 bar
• Maritime classification
  See certificate
• Depth shaft connection
  19 mm
• Closing direction
  Clockwise closing
• Standard connection for valve
  ISO 5211
• Devices type according to VDMA 66413
  Safety device
• 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
• 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
Nominal operating pressure
5.5 bar
Flange hole pattern
F0507
End-position adjusting range at 0°
-5 deg ... 5 deg
Design
Gear rack/pinion
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Storage temperature
-20 °C ... 60 °C
Product weight
4872 g
Cover material
Die-cast aluminum, coated
Shaft material
High-alloy stainless steel
ATEX category gas
II 2G
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mode of operation
Double-acting
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Type of ignition protection for gas
Ex h IIC T4 Gb X
ATEX category for dust
II 2D
Torque at nominal operating pressure and 0° swivel angle
117.4 Nm
PFD
0.00142
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
10.4 l
Seals material
NBR
Material of screws
High-alloy stainless steel
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Note on materials
RoHS-compliant
Material of piston
Die-cast aluminum
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
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
Housing material
Wrought aluminum alloy, anodized
Cam material
Cast stainless steel
Material of bearing
POM

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