Airtac SE50 Standard Cylinder SE50AX275
The AirTAC Airtac SE50 Standard Cylinder SE50AX275 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 275mm stroke, PT1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ50 mm
- Stroke275 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50AX275
The AirTAC SE50AX275 is a double-acting single-rod profile cylinder built to the ISO 15552 standard, delivering a push force of 982 N at 0.5 MPa and a pull force of 825 N. It features a square extruded aluminum barrel without external tie rods, yielding a compact, corrosion-resistant body that mounts flush on machinery while eliminating protruding hardware that can snag or trap debris.
This specific SKU is configured with a SUS420J2 stainless steel piston rod (material code A) for corrosive or washdown environments, and a 275 mm stroke. The end caps integrate field-adjustable air cushioning at both ends, allowing you to tune the deceleration screws to soften hard end stops at operating speeds up to 800 mm/s. Note that this unit lacks a built-in magnet (-S), so it is not ready for CMSE or DMSE position sensors without modification.
Airtac SE50 Standard Cylinder SE50AX275 Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50AX275 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 275 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C (0–150 °C with FKM seals) |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SE series datasheet and ISO 15552 / VDMA 24562 dimensions. Confirm against the product label before installation. Port options: PT (standard) / G (BSPP).
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SE50 Standard Cylinder SE50AX275
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×275 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensor sensing. |
Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B). Seals: TPU (blank) / FKM high-temp (H) / NBR (N). Thread: PT (blank) / G. Mounting: Basic, LB, FA, FB, CA, CB, CR, TC, FTC, TCM1, TCM2. Related SE-family variants: SED (double rod), SEJ (adjustable stroke), BSE (rod lock), BSED (double-rod rod lock).
Where the Airtac SE50 Standard Cylinder SE50AX275 Is Used
Flow Wrapper End-Seal Jaw
Drives the cutting and sealing jaw on a continuous motion flow wrapper, using the 982 N push force to cleanly crimp packaging film at high cycle rates.
Bottling Line Divert Gate
Actuates a diverting gate arm to route bottles between filling lanes, where the SUS420J2 stainless rod withstands routine washdown chemicals and moisture.
Lab Centrifuge Access Hatch
Locks and opens the safety access cover on a high-speed laboratory centrifuge, benefiting from the compact tie-rod-free profile to fit within tight enclosure panels.
Is the Airtac SE50 Standard Cylinder SE50AX275 the Right Cylinder?
When sizing this 50 mm bore actuator, compare its 982 N push at 0.5 MPa against the 628 N push of the 40 mm bore or the 1559 N push of the 63 mm bore to step up or down in force. Because this is a standard 275 mm stroke, it drops directly into existing ISO 15552 footprints using standard LB or FA mounts with a PT1/4 port. Remember that a plain SE cylinder cannot hold a load if air pressure is lost or the valve is centered; the piston will drift, requiring a BSE rod lock variant for secure positioning. Additionally, at 275 mm of stroke, the 20 mm rod and bearing face bending stresses under heavy side loads, so an external guide rail is recommended to prevent premature seal wear.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/G)
- ✓ Magnet (-S) for CMSE/DMSE sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB/FA/FB/CA/CB/CR/TC/FTC/TCM1/TCM2).
- check Installation by qualified personnel per AirTAC docs.
Airtac SE50 Standard Cylinder SE50AX275 FAQ
The SE50AX275 generates a push force of 982 N and a pull force of 825 N at 0.5 MPa. At 0.7 MPa, the push force is 1374 N. The maximum push force is 200 kgf at the maximum operating pressure of 1.0 MPa.
Yes, the SE50AX275 is dimensionally interchangeable per ISO 15552 and VDMA 24562 standards, meaning it shares the exact mounting hole patterns and envelope dimensions for a drop-in replacement of other ISO 15552 profile cylinders.
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