8102819 Festo Quarter Turn Actuators

Product Details

• 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.
• Flange hole pattern
  F07
• Standard connection for valve
  ISO 5211
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• 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
  62.5 Nm
• MTTFd
  1126 years
• Swivel angle
  90 deg
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mounting position
  Any
• Closing direction
  Clockwise closing
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Storage temperature
  -20 °C ... 60 °C
• Product weight
  5590 g
Housing material
Wrought aluminum alloy, anodized
Cam material
Cast stainless steel
Nominal operating pressure
4.5 bar
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
Type code
DFPD
Symbol
00991266
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
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Ambient temperature
-20 °C ... 80 °C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 0° swivel angle
64.5 Nm
Spring return torque at 0° swivel angle
31.6 Nm
Pneumatic connection
G1/4
Shaft connection
T17
Material of piston
Die-cast aluminum
Size of valve actuator
120
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
4.3 l
Material of sub-base
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
Maritime classification
See certificate
Depth shaft connection
19 mm
Design
Gear rack/pinion
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
ATEX category for dust
II 2D
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 90° swivel angle
33.6 Nm
PFD
7.8E-4
Note on materials
RoHS-compliant
Seals material
NBR
Material of bearing
POM
Material of spring
Spring steel
Cover material
Die-cast aluminum, coated
Material of screws
High-alloy stainless steel

Related documents 8102819 Specs