8102893 Festo Quarter Turn Actuators

Product Details

• Swivel angle
  90 deg
• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• MTTFd
  1126 years
• Flange hole pattern
  F14
• Depth shaft connection
  38 mm
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Size of valve actuator
  900
• 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.
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Closing direction
  Clockwise closing
• 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
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Nominal operating pressure
  6 bar
• Maritime classification
  See certificate
• Type code
  DFPD
Mode of operation
Single-acting
Devices type according to VDMA 66413
Safety device
Standard connection for valve
ISO 5211
Symbol
00991266
ATEX category gas
II 2G
Ambient temperature
-20 °C ... 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)
Storage temperature
-20 °C ... 60 °C
Spring return torque at 0° swivel angle
325.1 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
31.5 l
Note on materials
RoHS-compliant
Shaft material
High-alloy stainless steel
Mounting position
Any
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 3
Type of ignition protection for gas
Ex h IIC T4 Gb X
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
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.
Pneumatic connection
1/4 NPT
Cover material
Die-cast aluminum, coated
Material of screws
High-alloy stainless steel
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
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 0° swivel angle
593.5 Nm
PFD
7.8E-4
Shaft connection
T36
Seals material
NBR
Housing material
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
323.6 Nm
Spring return torque with 90° swivel angle
595 Nm
Product weight
30405 g
Material of sub-base
Wrought aluminum alloy, anodized
Material of spring
Spring steel
Material of bearing
POM
Cam material
Steel

Related documents 8102893 Specs