8048149 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F0710
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mounting position
  Any
• 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
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Torque at nominal operating pressure and 90° swivel angle
  57.6 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  11 l
• Pneumatic connection
  G1/4
• Cover material
  Die-cast aluminum, coated
• Material of piston
  Die-cast aluminum
• Shaft material
  High-alloy stainless steel
• Size of valve actuator
  300
• PFH
  1.01E-7
• Standard connection for valve
  ISO 5211
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• Ambient temperature
  -20 °C ... 80 °C
• 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
12052 g
Note on materials
RoHS-compliant
Material of spring
Spring 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
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Symbol
00991266
Design
Gear rack/pinion
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Storage temperature
-20 °C ... 60 °C
PFD
7.8E-4
Material of sub-base
Wrought aluminum alloy, anodized
Cam material
Steel
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Depth shaft connection
24 mm
Mode of operation
Single-acting
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
Type of ignition protection for gas
Ex h IIC T4 Gb X
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 0° swivel angle
110.5 Nm
Spring return torque at 0° swivel angle
54.2 Nm
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
Nominal operating pressure
3 bar
Maritime classification
See certificate
Type code
DFPD
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
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 with 90° swivel angle
107 Nm
Shaft connection
T22
Seals material
NBR
Material of bearing
POM

Related documents 8048149 Specs