Airtac SE50 Standard Cylinder SE50AX20
The AirTAC Airtac SE50 Standard Cylinder SE50AX20 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 20mm 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
- Stroke20 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50AX20
The AirTAC SE50AX20 is a double-acting single-rod profile cylinder built to ISO 15552 dimensions, delivering a push force of 982 N at 0.5 MPa and a maximum output of 200 kgf. Its square extruded aluminum barrel eliminates external tie rods, yielding a compact, corrosion-resistant body that mounts flush against machine frames.
This specific SKU features a SUS420J2 stainless steel rod (option A) for corrosive or washdown environments, and operates at speeds of 30-800 mm/s. Note that this base configuration omits the position-sensing magnet, so it does not directly support AirTAC CMSE or DMSE electronic switches without modification.
Airtac SE50 Standard Cylinder SE50AX20 Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50AX20 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 20 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 SE50AX20
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×20 | 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 SE50AX20 Is Used
Flow Wrapper End-Seal Jaw
Drives the rotary-to-linear jaw motion on horizontal flow wrappers, using the 982 N push force to cleanly crimp and seal packaging film in washdown food zones.
Lab Dispenser Diverter
Actuates a short 20 mm stroke routing gate on automated chemical analyzers, relying on the SUS420J2 stainless rod to resist aggressive solvent vapors.
PCB Edge-Guide Clamp
Provides low-friction lateral clamping on conveyorized electronics assembly lines, where the compact tie-rod-free profile saves critical vertical clearance.
Is the Airtac SE50 Standard Cylinder SE50AX20 the Right Cylinder?
When sizing this actuator, compare its 982 N push at 0.5 MPa against your load requirements: stepping down to a 40 mm bore yields 628 N, while stepping up to a 63 mm bore provides 1559 N. Because this is a standard double-acting cylinder, it will drift if air pressure is lost or the valve centers; applications requiring strict load holding without live pressure need a BSE rod lock variant or external pilot-operated check valve. For ISO 15552 dimensional interchangeability, match the 50 mm bore, 20 mm stroke, PT1/4 port, and your specific mounting accessory.
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 SE50AX20 FAQ
At 0.5 MPa, this 50 mm bore cylinder provides 982 N of push force and 825 N of pull force. At 0.7 MPa, the push force is 1374 N, and the maximum push capacity is 200 kgf at 1.0 MPa. The operational speed range is 30-800 mm/s.
Yes. The SE50AX20 is dimensionally interchangeable per ISO 15552, meaning it shares the same mounting footprint, 50 mm bore, 20 mm stroke, and PT1/4 port locations for direct retrofitting. It is a profile cylinder with an extruded aluminum barrel and no external tie rods.
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