8048137 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 2
• 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.
• Product weight
  9442 g
• Seals material
  NBR
• Cam material
  Steel
• Nominal operating pressure
  3 bar
• Maritime classification
  See certificate
• Standard connection for valve
  ISO 5211
• 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
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  85.8 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  8.6 l
• Material of sub-base
  Wrought aluminum alloy, anodized
• Material of spring
  Spring steel
Material of bearing
POM
Operating pressure
2 bar ... 8 bar
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Type code
DFPD
Symbol
00991266
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque at 0° swivel angle
42 Nm
Pneumatic connection
G1/4
Size of valve actuator
240
MTTFd
1126 years
Swivel angle
90 deg
Depth shaft connection
24 mm
Closing direction
Clockwise closing
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Type of ignition protection for gas
Ex h IIC T4 Gb X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Storage temperature
-20 °C ... 60 °C
PFD
7.8E-4
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Shaft material
Steel, nickel-plated
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.
Flange hole pattern
F0710
Mounting position
Any
Design
Gear rack/pinion
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
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)
Torque at nominal operating pressure and 90° swivel angle
44.8 Nm
Spring return torque with 90° swivel angle
83 Nm
Shaft connection
T22
Note on materials
RoHS-compliant
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel

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