8084143 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Swivel angle
  90 deg
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Closing direction
  Clockwise closing
• 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
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Shaft connection
  T27
• Material of sub-base
  Wrought aluminum alloy, anodized
• Housing material
  Wrought aluminum alloy, anodized
• Material of bearing
  POM
• Material of screws
  High-alloy stainless steel
• Operating pressure
  2 bar ... 8 bar
• Maritime classification
  See certificate
• Standard connection for valve
  ISO 5211
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 3
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Storage temperature
  -20 °C ... 60 °C
• Spring return torque at 0° swivel angle
  479.4 Nm
Product weight
43022 g
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Nominal operating pressure
6 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.
Flange hole pattern
F1012
Depth shaft connection
29 mm
Mounting position
Any
Design
Gear rack/pinion
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
ATEX category for dust
II 2D
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Spring return torque with 90° swivel angle
798.6 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
43.5 l
Cam material
Steel
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
Mode of operation
Single-acting
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
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
796.3 Nm
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
Note on materials
RoHS-compliant
Shaft material
Steel, nickel-plated
Size of valve actuator
1200
MTTFd
1126 years
Type code
DFPD
Symbol
00991266
Type of ignition protection for gas
Ex h IIC T4 Gb X
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 90° swivel angle
477.2 Nm
PFD
7.8E-4
Seals material
NBR
Material of spring
Spring steel

Related documents 8084143 Specs