8102862 Festo Quarter Turn Actuators

Product Details

• MTTFd
  1126 years
• Swivel angle
  90 deg
• Design
  Gear rack/pinion
• Mode of operation
  Single-acting
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 2
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Torque at nominal operating pressure and 90° swivel angle
  181 Nm
• PFD
  7.8E-4
• Cover material
  Die-cast aluminum, coated
• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F12
• Depth shaft connection
  29 mm
• Symbol
  00991266
• Closing direction
  Clockwise closing
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Ambient temperature
  -20 °C ... 80 °C
• Torque at nominal operating pressure and 0° swivel angle
  347.1 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  17.2 l
Size of valve actuator
480
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.
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Spring return torque with 90° swivel angle
336.1 Nm
Spring return torque at 0° swivel angle
170 Nm
Pneumatic connection
G1/4
Seals material
NBR
Shaft material
High-alloy stainless steel
Nominal operating pressure
6 bar
Maritime classification
See certificate
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
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
ATEX category for dust
II 2D
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)
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.
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Material of bearing
POM
Operating pressure
2 bar ... 8 bar
PFH
1.01E-7
Type code
DFPD
Type of ignition protection for gas
Ex h IIC T4 Gb X
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Storage temperature
-20 °C ... 60 °C
Product weight
18518 g
Note on materials
RoHS-compliant
Material of spring
Spring steel
Cam material
Steel
Shaft connection
T27
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel

Related documents 8102862 Specs