8048148 Festo Quarter Turn Actuators

8048148 Product Details

• Size of valve actuator
  240
• MTTFd
  1126 years
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• 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
• Torque at nominal operating pressure and 90° swivel angle
  89.5 Nm
• PFD
  7.8E-4
• Pneumatic connection
  G1/4
• Material of spring
  Spring steel
• Cam material
  Steel
• 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.
• Maritime classification
  See certificate
• Type code
  DFPD
• ATEX category gas
  II 2G
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• 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)
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°
8.6 l
Seals material
NBR
Material of bearing
POM
Devices type according to VDMA 66413
Safety device
PFH
1.01E-7
Swivel angle
90 deg
Mounting position
Any
Mode of operation
Single-acting
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
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque at 0° swivel angle
84 Nm
Product weight
10036 g
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Nominal operating pressure
6 bar
Flange hole pattern
F0710
End-position adjusting range at 0°
-5 deg ... 5 deg
Closing direction
Clockwise closing
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
ATEX category for dust
II 2D
Explosive ambient temperature
-20°C <= Ta <= +80°C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque with 90° swivel angle
166.1 Nm
Shaft connection
T22
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel
Depth shaft connection
24 mm
Design
Gear rack/pinion
Symbol
00991266
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Storage temperature
-20 °C ... 60 °C
Torque at nominal operating pressure and 0° swivel angle
171.6 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Note on materials
RoHS-compliant
Material of screws
High-alloy stainless steel

Product condition

Related documents 8048148 Specs