8048144 Festo Quarter Turn Actuators

8048144 Product Details

• Devices type according to VDMA 66413
  Safety device
• Maritime classification
  See certificate
• Depth shaft connection
  19 mm
• Closing direction
  Clockwise closing
• 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)
• Storage temperature
  -20 °C ... 60 °C
• PFD
  7.8E-4
• Pneumatic connection
  G1/4
• Cover material
  Die-cast aluminum, coated
• Material of screws
  High-alloy stainless steel
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mode of operation
  Single-acting
• Symbol
  00991266
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Ambient temperature
  -20 °C ... 80 °C
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• 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.
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
4.3 l
Note on materials
RoHS-compliant
Material of sub-base
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel
Nominal operating pressure
6 bar
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Type code
DFPD
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque at 0° swivel angle
42.1 Nm
Seals material
NBR
Material of piston
Die-cast aluminum
Product weight
5736 g
Size of valve actuator
120
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
Mounting position
Any
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
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
44.8 Nm
Material of spring
Spring steel
Material of bearing
POM
Operating pressure
2 bar ... 8 bar
Flange hole pattern
F0507
Standard connection for valve
ISO 5211
Design
Gear rack/pinion
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
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 0° swivel angle
86 Nm
Spring return torque with 90° swivel angle
83.3 Nm
Shaft connection
T17
Housing material
Wrought aluminum alloy, anodized
Cam material
Cast stainless steel

Product condition

Related documents 8048144 Specs