8102898 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  4.5 bar
• Maritime classification
  See certificate
• Mode of operation
  Single-acting
• Closing direction
  Clockwise closing
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• 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
• Housing material
  Wrought aluminum alloy, anodized
• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F14
• Type code
  DFPD
• Standard connection for valve
  ISO 5211
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 3
• ATEX category for dust
  II 2D
• Ambient temperature
  -20 °C ... 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)
• Storage temperature
  -20 °C ... 60 °C
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  43.5 l
• Cover material
  Die-cast aluminum, coated
Pneumatic connection
G1/4
Seals material
NBR
Material of screws
High-alloy stainless steel
Size of valve actuator
1200
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 0° swivel angle
608.6 Nm
Spring return torque with 90° swivel angle
580 Nm
Shaft connection
T36
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
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
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
376.8 Nm
Product weight
41240 g
Material of piston
Die-cast aluminum
Shaft material
High-alloy stainless steel
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.
Swivel angle
90 deg
Depth shaft connection
38 mm
Design
Gear rack/pinion
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
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]
Spring return torque at 0° swivel angle
348.2 Nm
PFD
7.8E-4
Material of spring
Spring steel
Cam material
Steel

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