8048135 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  3 bar
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mounting position
  Any
• Symbol
  00991266
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Size of valve actuator
  160
• 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
• Standard connection for valve
  ISO 5211
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• ATEX category for dust
  II 2D
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Storage temperature
  -20 °C ... 60 °C
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  5.9 l
• Material of sub-base
  Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized
Shaft material
Steel, nickel-plated
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Closing direction
Clockwise closing
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque with 90° swivel angle
57.1 Nm
Pneumatic connection
G1/4
Material of spring
Spring steel
Cam material
Cast stainless steel
Operating pressure
2 bar ... 8 bar
Maritime classification
See certificate
Depth shaft connection
24 mm
Type code
DFPD
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
30.7 Nm
Shaft connection
T22
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Devices type according to VDMA 66413
Safety device
Swivel angle
90 deg
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
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
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
59 Nm
PFD
7.8E-4
Product weight
6767 g
Note on materials
RoHS-compliant
Material of bearing
POM
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.
Spring return torque at 0° swivel angle
28.9 Nm
Seals material
NBR
Material of screws
High-alloy stainless steel

Related documents 8048135 Specs