8102892 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Maritime classification
  See certificate
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Type code
  DFPD
• Design
  Gear rack/pinion
• ATEX category for dust
  II 2D
• Explosive ambient temperature
  -20°C <= Ta <= +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
• Seals material
  NBR
• Material of spring
  Spring steel
• Shaft material
  High-alloy stainless steel
• 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.
• Swivel angle
  90 deg
• Mounting position
  Any
• Standard connection for valve
  ISO 5211
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Size of valve actuator
  900
PFH
1.01E-7
Depth shaft connection
38 mm
Symbol
00991266
Type of ignition protection for gas
Ex h IIC T4 Gb X
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
256.8 Nm
Spring return torque with 90° swivel angle
432.1 Nm
Shaft connection
T36
Housing material
Wrought aluminum alloy, anodized
Material of bearing
POM
Nominal operating pressure
4.5 bar
Flange hole pattern
F14
Mode of operation
Single-acting
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 3
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
31.5 l
Cover material
Die-cast aluminum, coated
Material of screws
High-alloy stainless steel
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Closing direction
Clockwise closing
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
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 dust
Ex h IIIC T105°C Db X
Storage temperature
-20 °C ... 60 °C
Product weight
29199 g
Note on materials
RoHS-compliant
Material of piston
Die-cast aluminum
Ambient temperature
-20 °C ... 80 °C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 0° swivel angle
452.8 Nm
Spring return torque at 0° swivel angle
236.1 Nm
Pneumatic connection
1/4 NPT
Material of sub-base
Wrought aluminum alloy, anodized
Cam material
Steel

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