8102901 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• Safety function
  The fundamental safety function is that the control valve moves to the switching position when the compressed air is turned off. It is reset by spring force.
• Maritime classification
  See certificate
• Type code
  DFPD
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category for dust
  II 2D
• Ambient temperature
  -20 °C ... 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)
• Nominal operating pressure
  4.5 bar
• PFH
  1.01E-7
• Swivel angle
  90 deg
• Standard connection for valve
  ISO 5211
• Design
  Gear rack/pinion
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Spring return torque at 0° swivel angle
  348.2 Nm
• Shaft connection
  T36
Cover material
Die-cast aluminum, coated
Seals material
NBR
Shaft material
High-alloy stainless steel
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
Symbol
00991266
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 0° swivel angle
608.6 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
43.5 l
Note on materials
RoHS-compliant
Material of sub-base
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
MTTFd
1126 years
Flange hole pattern
F14
Closing direction
Clockwise closing
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 3
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque with 90° swivel angle
580 Nm
Material of spring
Spring steel
Cam material
Steel
Size of valve actuator
1200
Devices type according to VDMA 66413
Safety device
End-position adjusting range at 0°
-5 deg ... 5 deg
Depth shaft connection
38 mm
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
Type of ignition protection for gas
Ex h IIC T4 Gb X
Storage temperature
-20 °C ... 60 °C
Torque at nominal operating pressure and 90° swivel angle
376.8 Nm
Pneumatic connection
1/4 NPT
Material of bearing
POM
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.
PFD
7.8E-4
Product weight
41240 g
Housing material
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum

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