8102891 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mounting position
  Any
• ATEX category gas
  II 2G
• ATEX category for dust
  II 2D
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• MTTFd
  1126 years
• Standard connection for valve
  ISO 5211
• Closing direction
  Clockwise closing
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• 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°
  31.5 l
• Note on materials
  RoHS-compliant
• Cover material
  Die-cast aluminum, coated
• Cam material
  Steel
• Size of valve actuator
  900
• 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
Depth shaft connection
38 mm
Design
Gear rack/pinion
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
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 3
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)
Torque at nominal operating pressure and 0° swivel angle
356.2 Nm
PFD
7.8E-4
Pneumatic connection
1/4 NPT
Material of bearing
POM
Nominal operating pressure
3.5 bar
End-position adjusting range at 0°
-5 deg ... 5 deg
Type code
DFPD
Symbol
00991266
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Shaft connection
T36
Housing material
Wrought aluminum alloy, anodized
Devices type according to VDMA 66413
Safety device
Maritime classification
See certificate
Flange hole pattern
F14
Mode of operation
Single-acting
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
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
328.8 Nm
Spring return torque at 0° swivel angle
179.6 Nm
Seals material
NBR
Material of sub-base
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel
Torque at nominal operating pressure and 90° swivel angle
207 Nm
Product weight
28395 g
Material of spring
Spring steel
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel

Related documents 8102891 Specs