8102836 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
• Swivel angle
  90 deg
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• 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)
• Nominal operating pressure
  4.5 bar
• PFH
  1.01E-7
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Depth shaft connection
  24 mm
• Symbol
  00991266
• ATEX category for dust
  II 2D
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Spring return torque at 0° swivel angle
  43.3 Nm
• Product weight
  7000 g
• Seals material
  NBR
• Material of screws
  High-alloy stainless steel
Standard connection for valve
ISO 5211
Type code
DFPD
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
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 0° swivel angle
88.4 Nm
Shaft connection
T22
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM
Size of valve actuator
160
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
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Design
Gear rack/pinion
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
85.7 Nm
Note on materials
RoHS-compliant
Material of spring
Spring steel
Material of piston
Die-cast aluminum
Devices type according to VDMA 66413
Safety device
Flange hole pattern
F07
Mounting position
Any
Closing direction
Clockwise closing
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
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.
PFD
7.8E-4
Cover material
Die-cast aluminum, coated
Cam material
Cast stainless steel
Torque at nominal operating pressure and 90° swivel angle
46 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
5.9 l
Pneumatic connection
1/4 NPT
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel

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