8047624 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Depth shaft connection
  16 mm
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  28 Nm
• Shaft connection
  T14
• Seals material
  NBR
• Material of piston
  Die-cast aluminum
• Maritime classification
  See certificate
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mode of operation
  Single-acting
• Symbol
  00991266
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• 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.
• Spring return torque with 90° swivel angle
  27.2 Nm
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Shaft material
Steel, nickel-plated
Nominal operating pressure
6 bar
PFH
1.01E-7
Mounting position
Any
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category for dust
II 2D
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)
Torque at nominal operating pressure and 90° swivel angle
14.5 Nm
PFD
7.8E-4
Note on materials
RoHS-compliant
Pneumatic connection
G1/8
Cam material
Cast stainless steel
Size of valve actuator
40
Devices type according to VDMA 66413
Safety device
Flange hole pattern
F0507
Type code
DFPD
Closing direction
Clockwise closing
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
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Spring return torque at 0° swivel angle
13.8 Nm
Product weight
2180 g
Material of bearing
POM
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
Standard connection for valve
ISO 5211
Design
Gear rack/pinion
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]
Storage temperature
-20 °C ... 60 °C
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
1.5 l
Material of sub-base
Wrought aluminum alloy, anodized
Material of spring
Spring steel
Material of screws
High-alloy stainless steel

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