8047636 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• 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
• Mounting position
  Any
• Symbol
  00991266
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• 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
  2180 g
• Pneumatic connection
  G1/8
• Material of spring
  Spring steel
• Material of bearing
  POM
• Material of screws
  High-alloy stainless steel
• Nominal operating pressure
  6 bar
• PFH
  1.01E-7
• Type code
  DFPD
• Design
  Gear rack/pinion
• 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
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
14.5 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
1.5 l
Cover material
Die-cast aluminum, coated
Cam material
Cast stainless steel
Size of valve actuator
40
MTTFd
1126 years
End-position adjusting range at 0°
-5 deg ... 5 deg
Mode of operation
Single-acting
Type of ignition protection for gas
Ex h IIC T4 Gb X
ATEX category for dust
II 2D
Storage temperature
-20 °C ... 60 °C
Spring return torque at 0° swivel angle
13.8 Nm
Shaft connection
T11
Housing material
Wrought aluminum alloy, anodized
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Depth shaft connection
12 mm
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
Ambient temperature
-20 °C ... 80 °C
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)
Spring return torque with 90° swivel angle
27.2 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Seals material
NBR
Shaft material
Steel, nickel-plated
Devices type according to VDMA 66413
Safety device
Flange hole pattern
F04
Standard connection for valve
ISO 5211
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]
Torque at nominal operating pressure and 0° swivel angle
28 Nm
PFD
7.8E-4
Note on materials
RoHS-compliant
Material of piston
Die-cast aluminum

Related documents 8047636 Specs