8047629 Festo Quarter Turn Actuators

Product Details

• Swivel angle
  90 deg
• Standard connection for valve
  ISO 5211
• Closing direction
  Clockwise closing
• 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
• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Size of valve actuator
  40
• 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
• Mode of operation
  Single-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• PFD
  7.8E-4
• Shaft connection
  T14
• Housing material
  Wrought aluminum alloy, anodized
Nominal operating pressure
3 bar
PFH
1.01E-7
Depth shaft connection
16 mm
Design
Gear rack/pinion
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque at 0° swivel angle
6.9 Nm
Product weight
2087 g
Pneumatic connection
G1/8
Cam material
Cast stainless steel
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Flange hole pattern
F0507
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Symbol
00991266
ATEX category gas
II 2G
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
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°
1.5 l
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Shaft material
High-alloy stainless steel
Mounting position
Any
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)
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
13.6 Nm
Note on materials
RoHS-compliant
Material of spring
Spring steel
Material of piston
Die-cast aluminum
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 90° swivel angle
7.3 Nm
Torque at nominal operating pressure and 0° swivel angle
14 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Seals material
NBR
Material of screws
High-alloy stainless steel

Related documents 8047629 Specs