8048124 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  160
• 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.
• Flange hole pattern
  F0710
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mode of operation
  Double-acting
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mounting position
  Any
• 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
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Storage temperature
  -20 °C ... 60 °C
• Pneumatic connection
  G1/4
• Housing material
  Wrought aluminum alloy, anodized
• Maritime classification
  See certificate
• Type code
  DFPD
• Symbol
  00991265
• Type of ignition protection for gas
  Ex h IIC T4 Gb 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)
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.
Note on materials
RoHS-compliant
Shaft material
Steel, nickel-plated
Operating pressure
2 bar ... 8 bar
PFH
1.01E-7
Standard connection for valve
ISO 5211
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
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
PFD
0.00142
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Material of bearing
POM
Nominal operating pressure
5.5 bar
MTTFd
1126 years
Swivel angle
90 deg
Depth shaft connection
24 mm
Design
Gear rack/pinion
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
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]
Torque at nominal operating pressure and 0° swivel angle
161 Nm
Product weight
6082 g
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
14 l
Cover material
Die-cast aluminum, coated
Cam material
Cast stainless steel
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 90° swivel angle
161 Nm
Shaft connection
T22
Seals material
NBR
Material of screws
High-alloy stainless steel

Related documents 8048124 Specs