8047625 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  3 bar
• PFH
  1.01E-7
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• 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
• ATEX category for dust
  II 2D
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Torque at nominal operating pressure and 90° swivel angle
  15.7 Nm
• PFD
  7.8E-4
• Shaft connection
  T17
• Material of piston
  Die-cast aluminum
• Flange hole pattern
  F0507
• Type code
  DFPD
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  30.1 Nm
• 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°
  3.1 l
Material of sub-base
Wrought aluminum alloy, anodized
Material of spring
Spring steel
Material of bearing
POM
Shaft material
Steel, nickel-plated
Operating pressure
2 bar ... 8 bar
Devices type according to VDMA 66413
Safety device
Maritime classification
See certificate
Depth shaft connection
19 mm
Mounting position
Any
Closing direction
Clockwise closing
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Product weight
3746 g
Material of screws
High-alloy stainless steel
Size of valve actuator
80
MTTFd
1126 years
Swivel angle
90 deg
Mode of operation
Single-acting
Symbol
00991266
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque at 0° swivel angle
14.8 Nm
Note on materials
RoHS-compliant
Seals material
NBR
Housing material
Wrought aluminum alloy, anodized
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.
End-position adjusting range at 0°
-5 deg ... 5 deg
Design
Gear rack/pinion
ATEX category gas
II 2G
Ambient temperature
-20 °C ... 80 °C
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)
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
29.2 Nm
Pneumatic connection
G1/8
Cover material
Die-cast aluminum, coated
Cam material
Cast stainless steel

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