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"Excellent service partially from Mark who stayed late to ensure the part arrived with me same day as this was a critical part for me even though this was my first time using Marvo. I will defiantly be using again."
Festo part 532317 is a DFM-25- -B guided pneumatic cylinder designed to deliver stable, precise linear motion where side loads and high repeatability matter. With a 25 mm piston diameter and stroke options from 20 mm to 400 mm, this double-acting actuator combines a compact body with an integrated guidance system to help minimise play and resist twisting during operation. It features adjustable pneumatic cushioning at both ends, alongside elastic end stops/plates and a smooth characteristic shock profile to reduce impact energy at end positions.
This unit supports proximity sensor position detection, offers flexible mounting in any orientation, and uses G1/8 pneumatic ports. It is specified for 1.5 to 10 bar operating pressure using compressed air to ISO 8573-1:2010 [7:4:4], and operates from -20 °C to +120 °C (Ex ambient -20 °C to +70 °C). The construction includes a forged aluminium body and cover, NBR seals, and a high-alloy stainless-steel piston rod, with RoHS compliance. The DFM-25- -B variant is also rated for ATEX Zone 1 and Zone 2 gas environments (Category II 2G, protection type Ex h IIC T4 Gb).
| Specification | Description |
|---|---|
| Manufacturer | Festo |
| Manufacturer Part Number | 532317 |
| Product Type | Guided cylinder (guided drive) |
| Series / Type | DFM-25- -B |
| Part Description | Festo DFM-25- -B guided cylinder (part number 532317) designed for accurate, stable linear motion with integrated guidance, suitable for compact handling and positioning tasks where resistance to side loads and precise travel are required. |
| Piston Diameter | 25 mm |
| Stroke Range | 20 mm to 400 mm |
| Acting Type | Double-acting |
| Operating Pressure Range | 0.15 MPa to 1 MPa (1.5 bar to 10 bar) |
| Theoretical Force at 6 bar (Advance) | 295 N |
| Theoretical Force at 6 bar (Retract) | 247 N |
| End-Position Impact Energy | 0.15 J to 0.3 J |
| Cushioning | Elastic cushioning rings/plates at both ends; adjustable pneumatic cushioning at both ends; shock absorber with flat characteristic curve |
| Mounting Position | Any |
| Guide Type | Plain-bearing guidance; ball-bearing recirculating guidance |
| Position Sensing | Provision for proximity sensor |
| Pneumatic Connection | G1/8 |
| Operating Medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Lubrication | Lubricated operation possible (if used, continued lubricated operation is required) |
| Ambient Temperature Range | -20 °C to +120 °C |
| Explosion Protection Marking (Gas) | Ex h IIC T4 Gb |
| ATEX Gas Category | II 2G |
| ATEX Zones (Gas) | Zone 1 and Zone 2 |
| Ex Ambient Temperature | -20 °C to +70 °C |
| Materials (Body) | Forged aluminium alloy |
| Materials (Cover) | Forged aluminium alloy |
| Materials (Piston Rod) | High-alloy stainless steel |
| Seal Material | NBR |
| RoHS | Compliant |
| Corrosion Resistance Class (CRC) | 0 (no corrosion stress) to 2 (moderate corrosion stress) |
| PWIS Conformity | VDMA24364-B1/B2-L |
Thumbs up to Rob for helping out with an urgent requirement we had on a Friday afternoon. The part we wanted was over in Europe and Rob went out of his way to get it ordered and on site here for the following Tuesday.City Bearings
Found the component i was looking for ad a great price. Great support from the staff as I was paying using a wire transfer. - Quick delivery and very good packaging.Adriano Tiberi
Extremely Helpful. Shipped me a replacement unit next day and i was up and running within 24 hours. Replacement new from machinery manufacturers was on a 7 day lead time.Sean Conlin
Found the part we needed at the best price. Spoke to Rob to make sure the part was actually in stock, as many companies don't actually have the part available to ship. It was in stock ready and the part was checked and shipped and received within a couple of days from their German stock. Would definitely use again and recommend.Chris Sentance
FIRST TIME WORKING WITH MARVO. THEY HAD WHAT I NEEDED AND TOOK GREAT CARE OF ME AND GOT MY ORDER OUT IMMEDITELY. WAS VERY IMPRESSED WITH THE SERVICE AND THE PERSON I SPOKE WITH. I WILL DEFINITELY WORK WITH THEM QGAIN IN THE FUTURE.Robert Cohen
After ordering an urgent part from Marvo i received a great level of customer service and Rob was very helpful.Claire Hinchliff
Found the component i was looking for ad a great price. Great support from the staff as I was paying using a wire transfer. - Quick delivery and very good packaging.Adriano Tiberi
Found the part we needed at the best price. Spoke to Rob to make sure the part was actually in stock, as many companies don't actually have the part available to ship. It was in stock ready and the part was checked and shipped and received within a couple of days from their German stock. Would definitely use again and recommend.Chris Sentance
Excellent service partially from Mark who stayed late to ensure the part arrived with me same day as this was a critical part for me even though this was my first time using Marvo. I will defiantly be using again.Josh Holt
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