8102900 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  3.5 bar
• MTTFd
  1126 years
• Swivel angle
  90 deg
• Standard connection for valve
  ISO 5211
• Mode of operation
  Single-acting
• ATEX category for dust
  II 2D
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 90° swivel angle
  302.9 Nm
• Spring return torque with 90° swivel angle
  441.3 Nm
• Pneumatic connection
  1/4 NPT
• Material of bearing
  POM
• 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.
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Closing direction
  Clockwise closing
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 3
• 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)
• Torque at nominal operating pressure and 0° swivel angle
  479.2 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
43.5 l
Material of spring
Spring steel
Shaft material
High-alloy stainless steel
Flange hole pattern
F14
Type code
DFPD
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 gas
Ex h IIC T4 Gb X
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Storage temperature
-20 °C ... 60 °C
Shaft connection
T36
Material of sub-base
Wrought aluminum alloy, anodized
Note on materials
RoHS-compliant
Material of screws
High-alloy stainless steel
Size of valve actuator
1200
Maritime classification
See certificate
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
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
Ambient temperature
-20 °C ... 80 °C
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Spring return torque at 0° swivel angle
264.9 Nm
PFD
7.8E-4
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Devices type according to VDMA 66413
Safety device
PFH
1.01E-7
Depth shaft connection
38 mm
Symbol
00991266
ATEX category gas
II 2G
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.
Product weight
40067 g
Seals material
NBR
Cam material
Steel
Material of piston
Die-cast aluminum

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