8047622 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  20
• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• Depth shaft connection
  12 mm
• Mounting position
  Any
• Symbol
  00991266
• 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
• Storage temperature
  -20 °C ... 60 °C
• Spring return torque at 0° swivel angle
  7.2 Nm
• Shaft connection
  T11
• Material of sub-base
  Wrought aluminum alloy, anodized
• Material of bearing
  POM
• Maritime classification
  See certificate
• Standard connection for valve
  ISO 5211
• Closing direction
  Clockwise closing
• ATEX category for dust
  II 2D
• 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 90° swivel angle
  7.6 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
0.8 l
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Nominal operating pressure
6 bar
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Design
Gear rack/pinion
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
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.
Product weight
1419 g
Note on materials
RoHS-compliant
Cam material
Cast stainless steel
Devices type according to VDMA 66413
Safety device
Flange hole pattern
F04
End-position adjusting range at 0°
-5 deg ... 5 deg
Mode of operation
Single-acting
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 0° swivel angle
14.7 Nm
Pneumatic connection
G1/8
Seals material
NBR
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
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
Type code
DFPD
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
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
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)
Spring return torque with 90° swivel angle
14.3 Nm
PFD
7.8E-4
Material of spring
Spring steel
Shaft material
Steel, nickel-plated

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