8102812 Festo Quarter Turn Actuators

Product Details

• Pneumatic connection
  1/8 NPT
• Size of valve actuator
  80
• 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
• Depth shaft connection
  19 mm
• Mode of operation
  Single-acting
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Devices type according to VDMA 66413
  Safety device
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Closing direction
  Clockwise closing
• ATEX category gas
  II 2G
• 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
  18.3 Nm
• Cam material
  Cast stainless steel
• Flange hole pattern
  F07
• Type code
  DFPD
• Design
  Gear rack/pinion
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category for dust
  II 2D
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 0° swivel angle
35.1 Nm
Product weight
3792 g
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Operating pressure
2 bar ... 8 bar
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
Symbol
00991266
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
Ambient temperature
-20 °C ... 80 °C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
PFD
7.8E-4
Spring return torque with 90° swivel angle
34.1 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Material of bearing
POM
Nominal operating pressure
3.5 bar
Swivel angle
90 deg
Standard connection for valve
ISO 5211
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Explosive ambient temperature
-20°C <= Ta <= +80°C
Storage temperature
-20 °C ... 60 °C
Shaft connection
T17
Material of spring
Spring steel
Shaft material
High-alloy stainless steel
Type of ignition protection for gas
Ex h IIC T4 Gb X
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (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.
Spring return torque at 0° swivel angle
17.3 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
3.1 l
Note on materials
RoHS-compliant
Seals material
NBR
Material of screws
High-alloy stainless steel

Related documents 8102812 Specs