Airtac SE50 Standard Cylinder SE50AX40
The AirTAC Airtac SE50 Standard Cylinder SE50AX40 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 40mm 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
- Stroke40 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50AX40
The AirTAC SE50AX40 is a double-acting, single-rod ISO 15552 profile cylinder engineered for a 50 mm bore and a 40 mm stroke. It leverages a square extruded aluminum barrel that completely eliminates external tie rods, yielding a compact, corrosion-resistant body that mounts flush against machine frames. Equipped with a SUS420J2 stainless steel rod, this variant is specifically built for corrosive environments or washdown duty.\n\nOperating at 0.15-1.0 MPa, it generates 982 N of push force and 825 N of pull force at 0.5 MPa. The end caps integrate field-adjustable pneumatic cushioning at both ends, allowing technicians to tune the deceleration screw to soften hard end stops at speed. This unit lacks a built-in magnet, meaning it does not support CMSE or DMSE position sensors out of the box.
Airtac SE50 Standard Cylinder SE50AX40 Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50AX40 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 40 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 SE50AX40
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×40 | 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 SE50AX40 Is Used
Flow Wrapper End-Seal Jaw
Drives the 40 mm stroke end-seal jaw mechanism on continuous-motion flow wrappers, using the 982 N push force to crimp packaging film cleanly in washdown food environments.
Lab Sample Dispenser
Actuates a 40 mm stroke pipetting or reagent dispensing head in chemical analysis equipment, where the SUS420J2 stainless rod resists aggressive solvent splashes.
Bottle Divert Gate
Pushes a 40 mm lane-diverter gate on a packaging conveyor to sort bottles, relying on the compact tie-rod-free profile to fit within tight transfer station clearances.
Is the Airtac SE50 Standard Cylinder SE50AX40 the Right Cylinder?
Stepping down to a 40 mm bore drops the 0.5 MPa push force to 628 N, while stepping up to a 63 mm bore increases it to 1559 N, giving you clear sizing boundaries for this 982 N class. Because this is a double-acting cylinder, it relies on live air pressure to move; if air is lost or the valve is centered, the piston will drift and cannot hold a load. For position holding without live pressure, consider the BSE rod lock variant or an external pilot-operated check valve. Furthermore, its standardized ISO 15552 mounting interface makes it a drop-in dimensional replacement for other ISO 15552 cylinders, sharing standard mounting accessories like FA front flanges or LB foot brackets. The PT1/4 port and M16x1.5 rod thread match the 50 mm bore standard.
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 SE50AX40 FAQ
The SE50AX40 generates 982 N push and 825 N pull at 0.5 MPa, 1374 N push at 0.7 MPa, and a maximum of 200 kgf at 1.0 MPa. It uses a PT1/4 port, a 20 mm rod, and has a 30 mm cushion length.
No to both. The plain SE cylinder relies on live air to move; if air is lost, the piston drifts, as the adjustable air cushion only decelerates near stroke end and acts as no brake. Additionally, this specific SKU lacks the -S magnet, so it cannot trigger CMSE or DMSE sensors without changing the piston assembly.
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