8102797 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Nominal operating pressure
  3.5 bar
• Flange hole pattern
  F05
• Type code
  DFPD
• 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
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Storage temperature
  -20 °C ... 60 °C
• Torque at nominal operating pressure and 90° swivel angle
  4.5 Nm
• Product weight
  1383 g
• Note on materials
  RoHS-compliant
• Housing material
  Wrought aluminum alloy, anodized
• Shaft material
  High-alloy stainless steel
• 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.
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Depth shaft connection
12 mm
Symbol
00991266
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category for dust
II 2D
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
0.8 l
Cover material
Die-cast aluminum, coated
Material of screws
High-alloy stainless steel
Size of valve actuator
20
PFH
1.01E-7
Mounting position
Any
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque at 0° swivel angle
4.2 Nm
PFD
7.8E-4
Seals material
NBR
Material of bearing
POM
Swivel angle
90 deg
Standard connection for valve
ISO 5211
Closing direction
Clockwise closing
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
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)
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.
Shaft connection
T11
Pneumatic connection
G1/8
Material of spring
Spring steel
Cam material
Cast stainless steel
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Torque at nominal operating pressure and 0° swivel angle
8.6 Nm
Spring return torque with 90° swivel angle
8.3 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum

Related documents 8102797 Specs