Airtac SE50 Standard Cylinder SE50AX400
The AirTAC Airtac SE50 Standard Cylinder SE50AX400 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 400mm 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
- Stroke400 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50AX400
The AirTAC SE50AX400 is a double-acting single-rod ISO 15552 profile cylinder engineered for a 400 mm stroke. It features a SUS420J2 stainless steel rod (code A) tailored for corrosive or washdown environments. Operating at 0.5 MPa, it generates 982 N of push force and 825 N of pull force, peaking at a 200 kgf maximum push at 1.0 MPa.
Its square extruded aluminum barrel eliminates external tie rods, yielding a compact, flush-mounting body that resists corrosion and simplifies bracket installation. The cylinder relies on field-adjustable pneumatic cushioning at both ends to decelerate the piston near the stroke limits, allowing you to tune out hard end-stop impacts at speed. Note this specific SKU lacks a built-in position-sensing magnet.
Airtac SE50 Standard Cylinder SE50AX400 Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50AX400 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 400 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 SE50AX400
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×400 | 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 SE50AX400 Is Used
Bottling Line Diverters
Utilizes the 982 N push force and SUS420J2 rod to reliably push containers between conveyor lanes during high-speed washdown cycles.
Carton Flap Folders
Leverages the 400 mm stroke to fold large corrugated carton flaps, relying on adjustable end cushions to soften impacts at high cycling speeds.
Lab Sample Indexing
Moves test tube racks across testing stations where the stainless steel rod prevents corrosion from chemical exposure and ambient humidity.
Is the Airtac SE50 Standard Cylinder SE50AX400 the Right Cylinder?
When sizing this actuator, compare its 982 N push at 0.5 MPa against the adjacent bores: stepping down to a 40 mm bore yields 628 N, while stepping up to a 63 mm bore provides 1559 N. Because this SKU has no -S magnet, adding position feedback requires a different variant equipped for CMSE reed or DMSE electronic sensors. As a true ISO 15552 profile cylinder, it serves as a drop-in dimensional replacement for any standard ISO 15552 mounting interface using PT1/4 ports and M16x1.5 rod threads.
Driving a 400 mm stroke introduces rod-bearing bending under side loads. To prevent premature seal wear, mount an external guide to support the load and avoid cantilevered forces on the piston rod.
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 SE50AX400 FAQ
At 0.5 MPa, the push force is 982 N and the pull force is 825 N. At 0.7 MPa, the push force is 1374 N. The maximum push is 200 kgf at 1.0 MPa. The operating speed ranges from 30-800 mm/s.
No, the adjustable air cushion only decelerates the piston near stroke end and does not act as a brake. If air is lost, the piston will drift. For position holding, you need a BSE rod lock variant or an external pilot-operated check valve.
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