8102834 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mounting position
  Any
• 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
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• 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
  117.9 Nm
• Note on materials
  RoHS-compliant
• Housing material
  Wrought aluminum alloy, anodized
• Nominal operating pressure
  6 bar
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Depth shaft connection
  24 mm
• 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)
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Spring return torque at 0° swivel angle
  57.7 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  5.9 l
• Material of sub-base
  Wrought aluminum alloy, anodized
Seals material
NBR
Shaft material
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
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
Flange hole pattern
F07
Design
Gear rack/pinion
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Type of ignition protection for gas
Ex h IIC T4 Gb X
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
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.
Storage temperature
-20 °C ... 60 °C
Product weight
7206 g
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
MTTFd
1126 years
Maritime classification
See certificate
Standard connection for valve
ISO 5211
Closing direction
Clockwise closing
Symbol
00991266
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
PFD
7.8E-4
Pneumatic connection
G1/4
Material of bearing
POM
Size of valve actuator
160
Swivel angle
90 deg
Type code
DFPD
Mode of operation
Single-acting
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
Torque at nominal operating pressure and 90° swivel angle
61.4 Nm
Spring return torque with 90° swivel angle
114.2 Nm
Shaft connection
T22
Material of spring
Spring steel
Cam material
Cast stainless steel

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