8102867 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• Maritime classification
  See certificate
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mode of operation
  Single-acting
• Symbol
  00991266
• 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)
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Spring return torque with 90° swivel angle
  252.1 Nm
• Product weight
  17892 g
• Material of piston
  Die-cast aluminum
• Cam material
  Steel
• Nominal operating pressure
  4.5 bar
• MTTFd
  1126 years
• Depth shaft connection
  29 mm
• Design
  Gear rack/pinion
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Storage temperature
  -20 °C ... 60 °C
Spring return torque at 0° swivel angle
127.5 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM
Size of valve actuator
480
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
Mounting position
Any
Closing direction
Clockwise closing
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]
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
T27
PFD
7.8E-4
Seals material
NBR
Shaft material
High-alloy stainless steel
Flange hole pattern
F12
Swivel angle
90 deg
Type code
DFPD
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category for dust
II 2D
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
135.7 Nm
Pneumatic connection
G1/4
Cover material
Die-cast aluminum, coated
Material of spring
Spring steel
Devices type according to VDMA 66413
Safety device
PFH
1.01E-7
Standard connection for valve
ISO 5211
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
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
260.3 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
17.2 l
Note on materials
RoHS-compliant
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel

Related documents 8102867 Specs