8047614 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  20
• PFH
  1.01E-7
• Safety function
  The fundamental safety function is the execution of a complete working stroke (opening and closing of the process valve) within a defined time.
• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Nominal operating pressure
  5.5 bar
• Maritime classification
  See certificate
• Depth shaft connection
  12 mm
• Type code
  DFPD
• Closing direction
  Clockwise closing
• ATEX category for dust
  II 2D
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (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.
• Shaft connection
  T11
• Note on materials
  RoHS-compliant
• Seals material
  NBR
• Flange hole pattern
  F04
• 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
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Storage temperature
-20 °C ... 60 °C
Pneumatic connection
G1/8
Housing material
Wrought aluminum alloy, anodized
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Swivel angle
90 deg
Mounting position
Any
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
ATEX category gas
II 2G
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Torque at nominal operating pressure and 0° swivel angle
20.1 Nm
PFD
0.00142
Product weight
1275 g
Material of bearing
POM
Shaft material
Steel, nickel-plated
End-position adjusting range at 0°
-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
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
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)
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
1.8 l
Cover material
Die-cast aluminum, coated
Mode of operation
Double-acting
Symbol
00991265
Type of ignition protection for gas
Ex h IIC T4 Gb X
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 90° swivel angle
20.1 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
Cam material
Cast stainless steel

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