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
Dismounting
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. Loosen the pneumatic connections.
3. Undo the retaining screws on the semi-rotary drive.
4. Lift the semi-rotary drive off the process valve.
13
Disposal
•
Observe the local regulations for environmentally friendly disposal.
•
Dispose of the product in an environmentally friendly manner. When doing
this, also take residual media into account (recycling of hazardous waste
where appropriate).
14
Technical data
DFPD
Operating medium
Compressed air to 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
Installation position
Parallel to line axis (DFPD-HD-...-HW horizontal only)
Pneumatic connection
G
½
, G1 (depending on cylinder size)
Standards-based connection
to fitting
ISO 5211
CE marking (see declaration of conformity
è
www.festo.com/sp)
To EU Explosion Protection Directive (ATEX)
To EU Machinery Directive
Degree of protection
IP66M, IP67M
Operating conditions
Operating pressure
[bar]
3 … 8.5
Nominal operating pressure
[bar]
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
Top coat
Polyurethane
1) Pressure dew point at least 10°C below the outside temperature
Tab. 5