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Festo DFPI-250- –
Mounting interfaces to ISO 15552 on bearing and end caps , Sturdy tie rod design , Integrated air supply , Optionally with integrated displacement encoder or fully integrated positioner , IP65, IP67,…
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Description
Mounting interfaces to ISO 15552 on bearing and end caps , Sturdy tie rod design , Integrated air supply , Optionally with integrated displacement encoder or fully integrated positioner , IP65, IP67, IP69K, NEMA4 , To EU Explosion Protection Directive (ATEX)
Specification
| Size of valve actuator |
250 |
|---|---|
| Stroke |
40, 990 mm |
| Piston diameter |
250 mm |
| Based on standard |
ISO 15552 |
| Cushioning |
No cushioning |
| Mounting position |
optional |
| Mode of operation |
Double-acting |
| Design |
Piston, Piston rod, Tie rod, Cylinder barrel |
| Position detection |
With integrated displacement encoder |
| Symbol |
00992807 |
| Functional principle of measuring system |
Potentiometer |
| Reverse polarity protection |
yes |
| Operating pressure |
43.5, 116 psi |
| Nominal operating pressure |
6 bar |
| Analogue output |
4 – 20 mA |
| Operational voltage range DC |
9, 30 V |
| Recommended wiper current |
0.1 µA |
| Max. wiper current, short-time |
10000 µA |
| Power supply |
2-wire |
| Approval |
RCM trademark |
| KC mark |
KC-EMV |
| CE mark (see declaration of conformity) |
To EU EMC Directive, To EU Explosion Protection Directive (ATEX), In accordance with EU RoHS Directive |
| UKCA marking (see declaration of conformity) |
To UK instructions for EMC, To UK EX instructions, To UK RoHS instructions |
| Explosion protection |
Zone 1 (ATEX), Zone 2 (ATEX), Zone 21 (ATEX), Zone 22 (ATEX) |
| ATEX category gas |
II 2G |
| ATEX category dust |
II 2D |
| Explosion ignition protection type for gas |
Ex h IIC T4 Gb |
| Explosion ignition protection type for dust |
Ex h IIIC T120°C Db |
| Explosion ambient temperature |
-20°C <= Ta <= +60°C |
| Operating medium |
Compressed air to ISO 8573-1:2010 [7:4:4] |
| Note on operating and pilot medium |
Lubricated operation possible (in which case lubricated operation will always be required) |
| Continuous shock resistance to DIN/IEC 68 Part 2-82 |
Tested to severity level 2 |
| LABS (PWIS) conformity |
VDMA24364 zone III |
| Storage temperature |
-20, 80 °C |
| Relative air humidity |
5 – 100%, Condensing, Non-condensing |
| Degree of protection |
IP65, IP67, IP69K, NEMA 4 |
| Vibration resistance to DIN/IEC 68 Part 2-6 |
Tested to severity level 2 |
| Ambient temperature |
-20, 80 °C |
| Impact energy in end positions |
1.9 J |
| Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke |
28274 N |
| Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke |
29452 N |
| Air consumption on return stroke per 10 mm |
3.299 l |
| Air consumption on advance stroke per 10 mm |
3.436 l |
| Moving mass for 0 mm stroke |
9300 g |
| Additional moving mass per 10 mm stroke |
134 g |
| Basic weight for 0 mm stroke |
31100, 32800 g |
| Additional weight per 10 mm stroke |
358 g |
| Hysteresis |
0.4 mm |
| Non-dependent linearity |
±0.05% |
| Repetition accuracy in ± %FS |
1 %FS |
| Repetition accuracy in ± mm |
0.7 mm |
| Electrical connection |
2-pin, 3-pin, 4-pin, 5-pin, A-coded, Cable connector M16x1.5, M12x1, Straight plug connector/screw terminal, Straight plug, With specific accessories |
| Pneumatic connection |
G3/8, G1/2, For tubing O.D. 8 mm, With specific accessories |
| Note on materials |
RoHS-compliant |
| Material end cap |
Coated wrought aluminium alloy |
| Material underneath cover |
Die-cast aluminium, coated |
| Material electrical connection |
Nickel-plated brass, High-alloy stainless steel |
| Material piston rod |
High-alloy stainless steel |
| Material piston rod wiper |
NBR |
| Pipe material |
High-alloy stainless steel |
| Material tubing |
PE |
| Material screws |
Coated steel, High-alloy stainless steel |
| Material static seals |
NBR |
| Material fitting |
Nickel-plated brass, High-alloy stainless steel |
| Material tie rod |
High-alloy stainless steel |
| Material cylinder barrel |
Smooth-anodised wrought aluminium alloy |
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