Airtac SAI125 Standard Air Cylinder SAI125X1000
The AirTAC Airtac SAI125 Standard Air Cylinder SAI125X1000 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 1000mm stroke, G1/2 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
- Stroke1000 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAI125 Standard Air Cylinder SAI125X1000
The AirTAC SAI125X1000 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. It delivers a substantial push force of 8590 N at 0.7 MPa, utilizing a 125 mm bore and a 1000 mm stroke to move massive loads across long distances. This extruded aluminum barrel design omits tie-rods, providing a clean exterior that drops directly into standardized ISO 15552 mounting footprints.
Equipped with PT tapered port threads and a robust carbon steel piston rod, this model handles rigorous cycling. While the standard configuration lacks a magnet, the barrel features dual sensor grooves ready for CMSE or DMSE switches if you later require position detection. For environments exceeding standard thermal limits, Viton (H) seals can be specified to withstand higher temperatures.
Airtac SAI125 Standard Air Cylinder SAI125X1000 Technical Specifications
| Model | Airtac SAI125 Standard Air Cylinder SAI125X1000 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 1000 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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 |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 40 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
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 SAI125 Standard Air Cylinder SAI125X1000
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×1000 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAI125 Standard Air Cylinder SAI125X1000 Is Used
Heavy Stamping Presses
Provides the 8590 N force at 0.7 MPa required to actuate large forming dies and heavy-duty stamping assemblies over a 1000 mm reach.
Large Material Lifts
Raises substantial platforms or heavy pallets in automated warehousing, relying on the 1000 mm stroke to achieve significant vertical displacement.
Bulk Product Diverters
Shifts massive packages or bulk material flows on wide conveyor lines, utilizing the robust 125 mm bore to push heavy items without stalling.
Is the Airtac SAI125 Standard Air Cylinder SAI125X1000 the Right Cylinder?
Selecting this 125 mm bore cylinder is appropriate when your application requires pushing forces between 6136 N at 0.5 MPa and 11045 N at 0.9 MPa. If your load requirements are lower, stepping down to a 100 mm bore reduces both air consumption and physical footprint, whereas a 160 mm bore offers up to 14074 N at 0.7 MPa for heavier demands. The G1/2 port ensures adequate airflow to maintain operational velocities within the 30-500 mm/s range specific to this larger bore class.
Because this model features a 1000 mm stroke, the extended carbon steel rod is highly susceptible to bending under side loads. Implement an external guide rail or utilize a guided cylinder variant to prevent premature rod-bearing wear. Furthermore, standard adjustable air cushions only decelerate the piston at end-of-stroke; they do not brake or hold the load mid-stroke. If your system must maintain position upon loss of air pressure, integrate an external pilot-operated check valve or specify the SAIL locking variant.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for 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 (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAI125 Standard Air Cylinder SAI125X1000 FAQ
This 125 mm bore cylinder generates a push force of 6136 N at 0.5 MPa, 8590 N at 0.7 MPa, and 11045 N at 0.9 MPa. The pull force at 0.5 MPa is 5734 N.
Yes, the SAI125X1000 is dimensionally interchangeable per ISO 15552. You can drop it into existing ISO 15552 mounting accessories like FA flanges or TC trunnions, provided you match the G1/2 port and 1000 mm stroke.
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