8102825 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Closing direction
  Clockwise closing
• 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)
• Size of valve actuator
  120
• Maritime classification
  See certificate
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mounting position
  Any
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• 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)
• 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.
• Pneumatic connection
  G1/4
• Nominal operating pressure
  4.5 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
• Standard connection for valve
  ISO 5211
Mode of operation
Single-acting
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
Torque at nominal operating pressure and 90° swivel angle
33.6 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Cover material
Die-cast aluminum, coated
Devices type according to VDMA 66413
Safety device
MTTFd
1126 years
Type code
DFPD
Design
Gear rack/pinion
Symbol
00991266
Type of ignition protection for gas
Ex h IIC T4 Gb X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 0° swivel angle
64.5 Nm
PFD
7.8E-4
Product weight
5581 g
Seals material
NBR
Cam material
Cast stainless steel
Flange hole pattern
F07
Depth shaft connection
19 mm
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category for dust
II 2D
Explosive ambient temperature
-20°C <= Ta <= +80°C
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
62.5 Nm
Note on materials
RoHS-compliant
Material of spring
Spring steel
Material of piston
Die-cast aluminum
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Spring return torque at 0° swivel angle
31.6 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
4.3 l
Shaft connection
T17
Housing material
Wrought aluminum alloy, anodized
Material of bearing
POM
Material of screws
High-alloy stainless steel
Shaft material
High-alloy stainless steel

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