8102860 Festo Quarter Turn Actuators

Product Details

• 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.
• Maritime classification
  See certificate
• Design
  Gear rack/pinion
• 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
• 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.
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  17.2 l
• Shaft connection
  T27
• Material of piston
  Die-cast aluminum
• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Type code
  DFPD
• Standard connection for valve
  ISO 5211
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• ATEX category for dust
  II 2D
• 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 with 90° swivel angle
196.1 Nm
Note on materials
RoHS-compliant
Material of spring
Spring steel
Material of screws
High-alloy stainless steel
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Flange hole pattern
F12
Closing direction
Clockwise closing
Symbol
00991266
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
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
202.4 Nm
Pneumatic connection
G1/4
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel
Operating pressure
2 bar ... 8 bar
Swivel angle
90 deg
Mounting position
Any
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Explosive ambient temperature
-20°C <= Ta <= +80°C
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
105.6 Nm
PFD
7.8E-4
Cover material
Die-cast aluminum, coated
Cam material
Steel
Nominal operating pressure
3.5 bar
PFH
1.01E-7
Depth shaft connection
29 mm
Mode of operation
Single-acting
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
ATEX category gas
II 2G
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Storage temperature
-20 °C ... 60 °C
Spring return torque at 0° swivel angle
99.2 Nm
Product weight
17498 g
Material of sub-base
Wrought aluminum alloy, anodized
Seals material
NBR
Material of bearing
POM

Related documents 8102860 Specs