8048136 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  6 bar
• MTTFd
  1126 years
• Maritime classification
  See certificate
• Mounting position
  Any
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• 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)
• 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.
• Swivel angle
  90 deg
• Depth shaft connection
  24 mm
• Closing direction
  Clockwise closing
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• ATEX category for dust
  II 2D
• Ambient temperature
  -20 °C ... 80 °C
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Spring return torque with 90° swivel angle
  114.2 Nm
• Material of sub-base
  Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized
Material of bearing
POM
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Design
Gear rack/pinion
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque at 0° swivel angle
57.7 Nm
Shaft connection
T22
Seals material
NBR
Shaft material
Steel, nickel-plated
Devices type according to VDMA 66413
Safety device
PFH
1.01E-7
Flange hole pattern
F0710
Standard connection for valve
ISO 5211
Symbol
00991266
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)
Torque at nominal operating pressure and 90° swivel angle
61.4 Nm
PFD
7.8E-4
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Operating pressure
2 bar ... 8 bar
End-position adjusting range at 0°
-5 deg ... 5 deg
Type code
DFPD
Mode of operation
Single-acting
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Storage temperature
-20 °C ... 60 °C
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°
5.9 l
Product weight
7179 g
Pneumatic connection
G1/4
Material of screws
High-alloy stainless steel
Torque at nominal operating pressure and 0° swivel angle
117.9 Nm
Note on materials
RoHS-compliant
Material of spring
Spring steel
Cam material
Cast stainless steel

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