8102904 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  1200
• 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.
• Swivel angle
  90 deg
• Type code
  DFPD
• Design
  Gear rack/pinion
• Symbol
  00991266
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• 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
  580 Nm
• Product weight
  41240 g
• Material of spring
  Spring steel
• Shaft material
  High-alloy stainless steel
• Maritime classification
  See certificate
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mounting position
  Any
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
PFD
7.8E-4
Note on materials
RoHS-compliant
Material of bearing
POM
Material of piston
Die-cast aluminum
Devices type according to VDMA 66413
Safety device
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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
ATEX category for dust
II 2D
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
608.6 Nm
Spring return torque at 0° swivel angle
348.2 Nm
Pneumatic connection
G1/4
Cover material
Die-cast aluminum, coated
Material of screws
High-alloy stainless steel
Nominal operating pressure
4.5 bar
Flange hole pattern
F14
Mode of operation
Single-acting
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)
Storage temperature
-20 °C ... 60 °C
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
43.5 l
Material of sub-base
Wrought aluminum alloy, anodized
Cam material
Steel
Housing material
Wrought aluminum alloy, anodized
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Depth shaft connection
38 mm
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 3
Ambient temperature
-20 °C ... 80 °C
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
376.8 Nm
Shaft connection
T36
Seals material
NBR

Related documents 8102904 Specs