8102885 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Maritime classification
  See certificate
• Depth shaft connection
  29 mm
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -20°C <= Ta <= +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.
• Spring return torque with 90° swivel angle
  260.1 Nm
• Shaft connection
  T27
• Material of spring
  Spring steel
• Material of bearing
  POM
• Shaft material
  High-alloy stainless steel
• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
• 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 2
• ATEX category for dust
  II 2D
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Storage temperature
-20 °C ... 60 °C
Torque at nominal operating pressure and 90° swivel angle
161.9 Nm
Pneumatic connection
G1/4
Material of piston
Die-cast aluminum
Size of valve actuator
700
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.
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 dust
Ex h IIIC T105°C Db X
Ambient temperature
-20 °C ... 80 °C
Spring return torque at 0° swivel angle
142.6 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
24.5 l
Cover material
Die-cast aluminum, coated
Seals material
NBR
Flange hole pattern
F12
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Closing direction
Clockwise closing
Type of ignition protection for gas
Ex h IIC T4 Gb X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
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
279.5 Nm
PFD
7.8E-4
Material of sub-base
Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized
Cam material
Steel
Nominal operating pressure
3.5 bar
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
Symbol
00991266
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Product weight
24708 g
Note on materials
RoHS-compliant
Material of screws
High-alloy stainless steel

8102885 Related Documents