8102849 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  4.5 bar
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• 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 2
• ATEX category gas
  II 2G
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Spring return torque at 0° swivel angle
  63 Nm
• Material of sub-base
  Wrought aluminum alloy, anodized
• Housing material
  Wrought aluminum alloy, anodized
• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• Standard connection for valve
  ISO 5211
• Mounting position
  Any
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• 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
Pneumatic connection
G1/4
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
Maritime classification
See certificate
Type code
DFPD
Mode of operation
Single-acting
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
Ambient temperature
-20 °C ... 80 °C
Torque at nominal operating pressure and 0° swivel angle
128.7 Nm
Torque at nominal operating pressure and 90° swivel angle
67.1 Nm
Shaft connection
T22
Seals material
NBR
Material of spring
Spring steel
Size of valve actuator
240
MTTFd
1126 years
Flange hole pattern
F10
Symbol
00991266
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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)
Spring return torque with 90° swivel angle
124.6 Nm
Product weight
9737 g
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Shaft material
High-alloy stainless steel
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
Depth shaft connection
24 mm
Design
Gear rack/pinion
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category for dust
II 2D
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Storage temperature
-20 °C ... 60 °C
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
8.6 l
Note on materials
RoHS-compliant
Cam material
Steel

8102849 Related Documents