8102850 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  240
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Design
  Gear rack/pinion
• ATEX category gas
  II 2G
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  171.6 Nm
• 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.
• Note on materials
  RoHS-compliant
• Material of bearing
  POM
• Shaft material
  High-alloy stainless steel
• Swivel angle
  90 deg
• Type code
  DFPD
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 2
• ATEX category for dust
  II 2D
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• PFD
  7.8E-4
• Pneumatic connection
  G1/4
• Cam material
  Steel
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.
PFH
1.01E-7
Mode of operation
Single-acting
Symbol
00991266
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Explosive ambient temperature
-20°C <= Ta <= +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)
Torque at nominal operating pressure and 90° swivel angle
89.5 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
8.6 l
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
Nominal operating pressure
6 bar
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
Closing direction
Clockwise closing
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
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Storage temperature
-20 °C ... 60 °C
Spring return torque at 0° swivel angle
84 Nm
Product weight
10034 g
Seals material
NBR
Material of sub-base
Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized
Devices type according to VDMA 66413
Safety device
Flange hole pattern
F10
Depth shaft connection
24 mm
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
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque with 90° swivel angle
166.1 Nm
Shaft connection
T22
Material of spring
Spring steel

Related documents 8102850 Specs