8084145 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  1200
• 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
• Type code
  DFPD
• Symbol
  00991266
• ATEX category gas
  II 2G
• 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)
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Spring return torque at 0° swivel angle
  479.4 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  43.5 l
• Material of spring
  Spring steel
• Material of bearing
  POM
• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• 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
• ATEX category for dust
  II 2D
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
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.
Pneumatic connection
G1/4
Material of piston
Die-cast aluminum
Cam material
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
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 3
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
Ambient temperature
-20 °C ... 80 °C
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
798.6 Nm
Shaft connection
T27
Cover material
Die-cast aluminum, coated
Shaft material
High-alloy stainless steel
PFH
1.01E-7
Depth shaft connection
29 mm
Design
Gear rack/pinion
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 0° swivel angle
796.3 Nm
Product weight
43022 g
Note on materials
RoHS-compliant
Housing material
Wrought aluminum alloy, anodized
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Flange hole pattern
F1012
Mode of operation
Single-acting
Torque at nominal operating pressure and 90° swivel angle
477.2 Nm
PFD
7.8E-4
Material of sub-base
Wrought aluminum alloy, anodized
Seals material
NBR
Material of screws
High-alloy stainless steel

Related documents 8084145 Specs