10
Maintenance
When used as intended, the product is maintenance-free.
Festo recommends the following periodic inspections:
Interval
Test
Annually
Correct function of the semi-rotary drive by repeatedly opening
and closing the valve fully (rotation angle = 90°)
Every six months
Visual inspection (during operation)
Quarterly
Correct function of the semi-rotary drive during operation
Tab. 4
11
Malfunctions
•
In case of malfunctions, consult your regional Festo contact.
12
Disassembly
WARNING!
Danger of crushing.
Body parts can be crushed if the product falls.
•
Use appropriate load handling equipment.
•
Lift the semi-rotary drive using the transport lugs.
•
Before transporting: detach the semi-rotary drive from the process valve.
WARNING!
Risk of injury due to uncontrolled movement.
•
Before disassembling the semi-rotary drive: Depressurise the pipeline.
1. Disconnect the semi-rotary drive from the compressed air supply.
2. Release the pneumatic ports.
3. Unscrew the retaining screws on the semi-rotary drive.
4. Lift the semi-rotary drive off the process valve.
13
Disposal
ENVIRONMENT!
Send the packaging and product for environmentally sound recycling in accord-
ance with the current regulations
è
14
Technical data
DFPD
Operating medium
Compressed air in accordance with ISO 8573-1:2010
[7:4:4]
1)
Note on the operating medi-
um
lubricated operation possible
(in which case lubricated operation will always be
required)
Ambient temperature
[°C]
–20 … +80
Rotation angle
[°]
0 … 90
Mounting position
parallel to the line axis (DFPD-HD-...-HP horizontal only)
Pneumatic port
G
½
, G1 (depending on cylinder size)
Standard connection to valve
body
ISO 5211
CE marking (declaration of conformity
è
www.festo.com/sp)
in accordance with EU Explosion Protection Directive
(ATEX)
in accordance with EU Machinery Directive
Degree of protection
IP66M, IP67M
Operating conditions
Operating pressure
2)
[MPa]
0.3 … 0.85
Nominal operating pressure
[MPa]
0.5
_
0.1
End-position adjustment
range 0°
[°]
_
5
End-position adjustment
range 90°
[°]
_
5
Material
Housing
Steel
Cover
Steel
Pneumatic cylinder
Steel (nickel-plated)
Piston rod
Steel (chrome-plated)
Piston
Steel
Tie rod
Steel
Stop cap
Steel
Stop adjusting screw
Steel
Seal
NBR, polyurethane
Topcoat
Polyurethane
1) Pressure dew point at least 10 °C below the outside temperature
2) dependent on the spring force, see product labelling
Tab. 5
