8102801 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  20
• PFH
  1.01E-7
• Swivel angle
  90 deg
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• 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
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Storage temperature
  -20 °C ... 60 °C
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  0.8 l
• Seals material
  NBR
• 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
• Standard connection for valve
  ISO 5211
• Mounting position
  Any
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Ambient temperature
  -20 °C ... 80 °C
Torque at nominal operating pressure and 90° swivel angle
7.6 Nm
Spring return torque with 90° swivel angle
14.3 Nm
Pneumatic connection
1/8 NPT
Material of spring
Spring steel
Material of bearing
POM
Devices type according to VDMA 66413
Safety device
MTTFd
1126 years
Design
Gear rack/pinion
ATEX category gas
II 2G
Type of ignition protection for gas
Ex h IIC T4 Gb X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
PFD
7.8E-4
Product weight
1423 g
Cover material
Die-cast aluminum, coated
Cam material
Cast stainless 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.
Type code
DFPD
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
ATEX category for dust
II 2D
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 0° swivel angle
14.7 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 piston
Die-cast aluminum
Flange hole pattern
F05
Depth shaft connection
12 mm
Mode of operation
Single-acting
Symbol
00991266
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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)
Spring return torque at 0° swivel angle
7.2 Nm
Shaft connection
T11
Material of sub-base
Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel

Related documents 8102801 Specs