Airtac SE125 Standard Cylinder SE125X930S
The AirTAC Airtac SE125 Standard Cylinder SE125X930S is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø125mm bore and 930mm stroke, PT1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ125 mm
- Stroke930 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SE125 Standard Cylinder SE125X930S
The AirTAC SE125X930S is a double-acting, single-rod ISO 15552 profile cylinder engineered for heavy-duty linear motion. It features a robust 125 mm bore and a 930 mm stroke, yielding a substantial 6136 N push force at 0.5 MPa and an 8590 N push at 0.7 MPa. The extruded aluminum barrel omits external tie rods, presenting a clean, corrosion-resistant exterior that mounts flush against machine frames while resisting debris buildup.
Equipped with a built-in magnet (-S), this unit seamlessly interfaces with AirTAC CMSE reed and DMSE electronic sensors for precise end-of-stroke detection. The field-adjustable pneumatic cushioning at both ends allows technicians to tune end-stop deceleration via a set screw, absorbing the high kinetic energy generated by moving a large load over 930 mm at speeds up to 500 mm/s.
Airtac SE125 Standard Cylinder SE125X930S Technical Specifications
| Model | Airtac SE125 Standard Cylinder SE125X930S |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 930 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M27×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 40 mm |
| Max stroke | Up to 1500 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SE125 Standard Cylinder SE125X930S
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 125 | Bore size in mm. |
| ×930 | 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 SE125 Standard Cylinder SE125X930S Is Used
Automotive Stamping Press Transfer
Utilizes the 6136 N push force to shuttle heavy sheet metal panels between die stations, relying on the 930 mm stroke to clear wide press beds.
Large Injection Mold Ejection
Deploys the full 930 mm travel to push bulky molded plastic parts out of deep-cavity tools, using adjustable cushioning to soften the ejection impact.
Palletizer Strapping Head
Actuates heavy-duty strapping and sealing mechanisms on automated palletizing lines, where the built-in magnet triggers DMSE sensors to confirm cycle completion.
Is the Airtac SE125 Standard Cylinder SE125X930S the Right Cylinder?
When sizing this 125 mm bore model, evaluate your exact pressure requirements against its neighbors. If 6136 N of push at 0.5 MPa is excessive, stepping down to the 100 mm bore yields 3927 N, optimizing energy use and footprint. Conversely, if you need to exceed the 1252 kgf maximum thrust, you must step up to a larger non-standard bore or parallel cylinder arrangement. Because the 930 mm stroke is a non-standard made-to-order length, expect extended lead times.
This cylinder utilizes a PT1/2 port and an M27x2 rod thread. Note that a plain SE cylinder cannot hold a load if air pressure is lost or the valve is centered; the piston will drift, so a BSE rod lock variant is required for fail-safe holding. Furthermore, at 930 mm of unsupported extension, the Ø32 mm rod and bearing are subjected to significant bending moments—an external guide is strongly recommended to prevent premature side-load wear. As a true ISO 15552 profile cylinder, it serves as a drop-in replacement for other ISO 15552 cylinders, sharing standardized mounting hardware like TC trunnion or LB foot brackets.
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 SE125 Standard Cylinder SE125X930S FAQ
At 0.5 MPa, this 125 mm bore cylinder provides 6136 N of push force and 5734 N of pull force. At 0.7 MPa, the push force reaches 8590 N, with a maximum push capacity of 1252 kgf at 1.0 MPa. It operates at speeds between 30-500 mm/s.
No, the SE125X930S is a standard double-acting cylinder and cannot hold a load if air is lost or the valve is centered; the piston will drift. The adjustable air cushion only decelerates the piston near the stroke ends and does not act as a brake. For true load holding, use a BSE rod lock variant or an external pilot-operated check valve.
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