8102863 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  480
• PFH
  1.01E-7
• MTTFd
  1126 years
• Depth shaft connection
  29 mm
• Mode of operation
  Single-acting
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• 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)
• Torque at nominal operating pressure and 90° swivel angle
  105.6 Nm
• PFD
  7.8E-4
• Cam material
  Steel
• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Symbol
  00991266
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Ambient temperature
  -20 °C ... 80 °C
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Storage temperature
  -20 °C ... 60 °C
• Spring return torque with 90° swivel angle
  196.1 Nm
Shaft connection
T27
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Nominal operating pressure
3.5 bar
Maritime classification
See certificate
Mounting position
Any
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
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque at 0° swivel angle
99.2 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
17.2 l
Note on materials
RoHS-compliant
Seals material
NBR
Material of bearing
POM
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.
Flange hole pattern
F12
Type code
DFPD
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
ATEX category gas
II 2G
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Product weight
17498 g
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel
Swivel angle
90 deg
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Design
Gear rack/pinion
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Explosive ambient temperature
-20°C <= Ta <= +80°C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 0° swivel angle
202.4 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
1/4 NPT
Material of spring
Spring steel
Material of screws
High-alloy stainless steel

Related documents 8102863 Specs