Festo DFPD-Series User manual

Translation of the original instructions
© 2020 all rights reserved to Festo SE & Co. KG
1 About this document
1.1 Purpose of the document
This document describes the use of the above-mentioned product.
1.2 Applicable documents
All available documents for the product èwww.festo.com/pk.
1.3 Target group
The document is targeted towards individuals who mount and operate the
product.
2 Safety
2.1 General safety instructions
– Only use the product in original status without unauthorised modifications.
– Only use the product if it is in perfect technical condition.
– Take into consideration the ambient conditions at the location of use. Corros-
ive environments reduce the service life of the product.
– Observe labelling on the product.
– Prior to mounting, installation and maintenance work: Switch off compressed
air supply and secure it from being switched back on.
– Exhaust drive prior to assembly, installation and dismounting.
– Protect the device from pressure fluctuations. Use overpressure valves and
pressure regulators.
Operating medium
– Only use compressed air in accordance with the specifications
è14 Technical data.
– Use only unlubricated compressed air under normal conditions. Once the
product has been used with lubricated compressed air, it must continue to be
operated with lubricated compressed air only.
Return to Festo
Hazardous substances can endanger the health and safety of personnel and
cause damage to the environment. To prevent hazards, the product should only
be returned upon explicit request by Festo.
– Consult your regional Festo contact.
– Complete the declaration of contamination and attach it to the outside of the
packaging.
– Comply with all legal requirements for the handling of hazardous substances
and the transport of dangerous goods.
2.2 Intended use
The DFPD semi-rotary drive is intended to actuate process valves, such as ball
valves and butterfly valves with a rotation angle from 0° (valve closed) to 180°
(depending on design).
NOTICE!
The operating torque of the drive must not be greater than the maximum permiss-
ible torque listed in ISO5211 in relation to the size of the mounting flange and of
the coupling.
2.3 Training of qualified personnel
Installation, commissioning, maintenance and disassembly should only be con-
ducted by qualified personnel. The skilled personnel must be familiar with the
installation of pneumatic control systems and trained in how to work with the
media used.
3 Additional information
– Accessoriesèwww.festo.com/catalogue.
– Spare partsèwww.festo.com/spareparts.
4 Service
Contact your regional Festo contact person if you have technical questions
èwww.festo.com.
5 Product overview
5.1 Configuration
5.1.1 Product design
1Mounting thread for limit switch or
position sensor
2Transmission shaft (shaft groove
shows the process valve position –
here closed)
3Mounting thread for pneumatic
NAMUR switching valve
4Mounting thread for coding pin
5Compressed air supply port (4)
6Mounting thread for pneumatic
NAMUR switching valve
7Mounting thread for coding pin
8Compressed air supply port (2)
9Mounting thread adapter accord-
ing to VDI 3847-2 (only -VDE2)
10 End position adjustment on both
sides
11 Mounting thread for process valve
according to ISO 5211
12 Coupling for process valve
13 Centring ring for mounting on
adapter bridge (only -C-...)
14 Leakage slot
15 Supply port (2) (only -VDE2)
16 Supply port (4) (only -VDE2)
Fig. 1 Product design DFPD
A shaft is guided outward on both sides through the housing. Through this, the
reaction torque is transmitted to a process valve aB and, if applicable, a limit
switch or position sensor 2. The end stops can be adjusted in the range ±5°
using the end position adjustment on both sides aJ.
5.2 Function
The piston movement of the DPFD is transformed using rack & pinion kinematics
(rack and pinion principle) into a swivel motion of the transmission shaft.
Double-acting semi-rotary drives
Fig. 2 Symbol for double-acting semi-rotary drive
The pressurisation and exhausting of the cylinder chamber leads to an opening /
closing movement of the drive.
Single-acting semi-rotary drives
Fig. 3 Symbol for single-acting semi-rotary drive
Return is through spring force.
8118809
DFPD-...-C
Semi-rotary drive
8118809
2019-09
[8118811]
Instructions| Operating
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
[phone]
www.festo.com

Symbol on the rating plate
DFPD-... Mode of operation Symbol
-RD-...
-LD-...
Double-acting, closes to the right / left
-RS-... Single-acting (spring return), closes to the right
-LS-... Single-acting (spring return), closes to the left
Tab. 1 Symbols for mode of operation
6 Transport and storage
WARNING!
Danger of crushing. Danger of shearing.
Body parts can be crushed or severed if the product falls.
• Use appropriate load handling equipment.
– When dispatching used products: Comply with all legal requirements for the
handling of hazardous substances and the transport of dangerous goods. For
return to Festo è 2.1 General safety instructions.
– Remove all attachments.
– Store the product in a cool, dry, UV-protected and corrosion-protected envir-
onment. Ensure that storage times are kept to a minimum.
7 Assembly and installation
7.1 Assembly without adapter bridge
Fig. 4 Assembly without adapter bridge
1. Prepare process valve.
Adjust the control shaft of the process valve so that the desired operating
method for opening and closing is implemented.
2. Place the semi-rotary drive on the control shaft of the process valve. The con-
trol shaft must sit in the coupling of the semi-rotary drive (è Fig.1,aB)
without tilting.
3. Mount the semi-rotary drive on the connecting flange of the process valve
using 4 corrosion-resistant screws and retaining rings (material: CI).
4. Tighten the screws crosswise è Tab. 8 Tightening torque for flange.
7.2 Assembly with adapter bridge
1Adapter bridge
2Coupling
Fig. 5 Assembly with adapter bridge
1. Have adapter bridge and coupling ready.
– Accessories è 3 Additional information
2. Mount the adapter bridge 1 on the semi-rotary drive.
– Align studs of the adapter bridge lengthwise to the drive.
– Align open side of the adapter bridge with the process valve.
– Do not jam the centring ring in the drilled hole for the adapter bridge.
– Tighten screws, but not yet fully tight.
3. Prepare process valve.
Adjust the control shaft of the process valve so that the desired operating
method for opening and closing is implemented.
4. Insert the coupling 2. The square of the coupling must sit in the coupling of
the semi-rotary drive without tilting (è Fig.1,aB).
5. Place the semi-rotary drive with adapter bridge and coupling on the control
shaft of the process valve. The square of the process valve must sit in the
coupling without tilting.
6. Mount the adapter bridge on the connecting flange of the process valve using
4 corrosion-resistant screws and retaining rings (material: CI).
7. Tighten the screws at both the drive and process valve crosswise
è Tab. 8 Tightening torque for flange.
7.3 Pneumatic connection
Single-acting semi-rotary drive
1. Prevent corrosive atmosphere in the spring space. If there is a corrosive atmo-
sphere, use a rebreather block.
2. Mount a filter element on the exhaust port 4 (A) to prevent ingress of dirt.
DFPD-... Supply port Effect
2 Air supply; always connected-RS-...
-LS-... 4 Pressurisation of spring space
Tab. 2 Supply port for single-acting semi-rotary drive
Double-acting semi-rotary drive
DFPD-... Supply port Effect1)
2 Air supply direction of rotation anti-clockwise-RD-...
4 Air supply direction of rotation clockwise
2 Air supply direction of rotation clockwise-LD-...
4 Air supply direction of rotation anti-clockwise
1) Viewed from the connection point of the accessory
Tab. 3 Supply port for double-acting semi-rotary drive
8 Commissioning
Requirements
– The drive is fully mounted and connected.
Commissioning the drive
1. Pressurise drive slowly.
2. Check correct function at low travel speed.
– Direction of rotation of drive
– Position of process valve
9 Maintenance
When used as intended, the product is maintenance-free.
10 Malfunctions
NOTICE!
Repairs to the product are not permissible. In the event of malfunctions or failure:
Replace the product and let Festo know about the failure. Return defective
products to Festo.

Fault description Cause Remedy
Drive does not move in the
desired direction
Compressed air connections
connected incorrectly
Correct the tubing connection
Tab. 4
11 Modification
11.1 Replacing the spring package
1Screws
2Washers
3Toothed discs
4Cover
5Seal
6Springs
7End position screws
Fig. 6 Replacing the spring package
WARNING!
Risk of injury from flying objects.
A faulty spring package can result in the cover being ejected during disassembly
and causing injury.
• If the cover is still under spring force when the gap width is reached, do not
proceed with the disassembly.
• Replace the actuator.
Requirements
– Mounting position is vertical. Actuator is secured against tilting.
– Actuator is removed è 12 Dismounting.
1. Unscrew end position screws.
ÄActuator is in neutral position.
2. Loosen screws crosswise until the gap width is reached.
Ä– Cover is no longer under spring force.
– Gap width between cover and actuator: ≤6mm
3. Unscrew screws completely.
4. Remove cover.
ÄSpring package can now be replaced.
5. Remove springs.
6. Insert new springs in the desired configuration.
7. Mount cover. Observe correct position of the seal.
8. Insert the screws and tighten them crosswise
è Tab. 9 Tightening torque for spring package.
11.2 Configuring the spring package
Configuration of the spring package differs, depending on the nominal operating
pressure.
1Links
2Right
3Spring position
Fig. 7 Configuring the spring package
Spring positionSpring configura-
tion Links Right
Number of springs
[–] – – 0
[20] 2-5 2-5 4
[25] 2-5 2-4-6 5
[30] 2-4-6 2-4-6 6
[35] 2-4-6 1-3-4-6 7
[40] 1-3-4-6 1-3-4-6 8
[45] 1-3-4-6 1-3-4-5-6 9
[50] 1-3-4-5-6 1-3-4-5-6 10
[55] 1-3-4-5-6 1-2-3-4-5-6 11
[60] 1-2-3-4-5-6 1-2-3-4-5-6 12
Tab. 5 Spring configuration
12 Dismounting
1. Switch off the energy supply (compressed air, electricity).
2. Loosen the pneumatic connections.
3. Remove external attachments.
4. Undo the retaining screws of the drive at the process valve and remove the
drive.
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
General DFPD-... DFPD-...-T4 DFPD-...-T6
Connection to process valve
to standard
ISO5211
Cushioning None
Mounting position Any
Constructive design Gear rack / pinion
Valve connection conforms to
standard
VDI/VDE3845 (NAMUR)
Operating pressure [bar] 2…8 3…8 3…8
Swivel angle
DFPD-…-90 [°] 0…90
DFPD-…-120 [°] 0…120
DFPD-…-135 [°] 0…135
DFPD-…-180 [°] 0…180
End-position adjustment
range 0°
[°] _5
End-position adjustment
range 90° / 180°
[°] _5
Nominal operating pressure
DFPD-…-RD, DFPD-…-LD [bar] 5.5
DFPD-…-…S-20 [bar] 2.0
DFPD-…-…S-25 [bar] 2.5
DFPD-…-…S-30 [bar] 3.0
DFPD-…-…S-35 [bar] 3.5
DFPD-…-…S-40 [bar] 4.0
DFPD-…-…S-45 [bar] 4.5
DFPD-…-…S-50 [bar] 5.0
DFPD-…-…S-55 [bar] 5.5
DFPD-…-…S-60 [bar] 6.0
Operating medium Compressed air to ISO8573-1:2010 [7:4:4]
Note on the operating medi-
um
Pressure dew point at least 10°C below outside tem-
perature, lubricated operation possible (required in fur-
ther operation)
Ambient temperature [°C] –20…+80 0…+150 –50…+60
Material
Housing Anodised wrought aluminium alloy
Cover Coated die-cast aluminium
Anodised die-cast aluminium (only DFPD-...-C-...)
Shaft Nickel-plated steel
Stainless steel (only DFPD-...-R3-...)
Screws Stainless steel
Seal NBR FKM FVMQ
Tab. 6 Technical data – General

Air consumption
DFPD-... Air consumption per cycle at 6bar operat-
ing pressure1)
-10-RP-90-D [l] 1.0
-20-RP-90-D [l] 1.8
-20-RP-90-S [l] 0.8
-40-RP-90-D [l] 3.4
-40-RP-90-S [l] 1.5
-40-RP-180-D [l] 5.2
-80-RP-90-D [l] 7.4
-80-RP-90-S [l] 3.1
-120-RP-90-D [l] 10.4
-120-RP-90-S [l] 4.3
-120-RP-180-D [l] 12.8
-160-RP-90-D [l] 14.0
-160-RP-90-S [l] 5.9
-240-RP-90-D [l] 20.3
-240-RP-90-S [l] 8.6
-240-RP-180-D [l] 25.5
-300-RP-90-D [l] 26.4
-300-RP-90-S [l] 11.0
-480-RP-90-D [l] 40.5
-480-RP-90-S [l] 17.2
-480-RP-180-D [l] 61.4
-700-RP-90-D [l] 58.8
-700-RP-90-S [l] 24.5
-900-RP-90-D [l] 75.9
-900-RP-90-S [l] 34.5
-1200-RP-90-D [l] 105.0
-1200-RP-90-S [l] 43.5
-2300-RP-90-D [l] 204.0
-2300-RP-90-S [l] 84.4
1) Theoretical value for a complete swivel motion (0° – max. swivel angle – 0°)
Tab. 7 Air consumption per cycle
Tightening torques
Flange type F03 F04 F05 F07 F10 F12 F14 F16
Tightening torque [Nm] 5 … 6 9 …
10
22 …
24
46 …
50
80 …
84
190 …
200
370 …
390
Tab. 8 Tightening torque for flange
DFPD-... Diameter Tightening torque [Nm]
-10/-20 M5 6…8
-40/-80 M6 10…11
-120/-160/-240 M8 22…25
-300/-480/-700 M10 38…43
-900 M12 60…70
-1200 M14 70…80
-2300 M16 115…125
Tab. 9 Tightening torque for spring package