8048138 Festo Quarter Turn Actuators

8048138 Product Details

• Mounting position
  Any
• Operating pressure
  2 bar ... 8 bar
• 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
• Nominal operating pressure
  6 bar
• Maritime classification
  See certificate
• Standard connection for valve
  ISO 5211
• Closing direction
  Clockwise closing
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• 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 0° swivel angle
  171.6 Nm
• Product weight
  10036 g
• Cover material
  Die-cast aluminum, coated
• Material of piston
  Die-cast aluminum
• Shaft material
  Steel, nickel-plated
• Size of valve actuator
  240
• PFH
  1.01E-7
• Depth shaft connection
  24 mm
• 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
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
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque with 90° swivel angle
166.1 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
8.6 l
Shaft connection
T22
Material of spring
Spring steel
Cam material
Steel
Flange hole pattern
F0710
End-position adjusting range at 0°
-5 deg ... 5 deg
Type code
DFPD
Symbol
00991266
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Storage temperature
-20 °C ... 60 °C
PFD
7.8E-4
Note on materials
RoHS-compliant
Material of screws
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mode of operation
Single-acting
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Spring return torque at 0° swivel angle
84 Nm
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
Seals material
NBR
Material of bearing
POM
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
ATEX category for dust
II 2D
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 90° swivel angle
89.5 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized

Product condition

Related documents 8048138 Specs