Airtac SAI125 Standard Air Cylinder SAI125X95S
The AirTAC Airtac SAI125 Standard Air Cylinder SAI125X95S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 95mm 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
- Stroke95 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAI125 Standard Air Cylinder SAI125X95S
The AirTAC SAI125X95-S is a double-acting ISO 15552 profile cylinder built for heavy-duty automation. It generates 6136 N of push force and 5734 N of pull force at 0.5 MPa. The 95 mm stroke is a non-standard made-to-order dimension, tailored for specific mid-stroke machine movements rather than common catalog increments.
This unit includes a piston magnet for CMSE and DMSE reed switches, riding in dual sensor grooves machined into the extruded aluminum barrel. It uses a standard carbon steel rod and PT tapered port threads, ensuring robust performance within the 30-500 mm/s speed range.
Airtac SAI125 Standard Air Cylinder SAI125X95S Technical Specifications
| Model | Airtac SAI125 Standard Air Cylinder SAI125X95S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 95 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 SAI125X95S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×95 | 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 SAI125X95S Is Used
Heavy-Duty Stamping
Provides the robust 6136 N thrust at 0.5 MPa needed to seat bearings or stamp thick-gauge metal plates in automated fabrication cells.
Plastic Injection Unloading
The 95 mm stroke extracts heavy molded parts from large injection machines, utilizing the integrated magnet for precise end-of-stroke position detection.
Pallet Diverting
Actuates high-mass pallet stops and heavy-duty lane diverters in packaging lines, where the 125 mm bore ensures consistent movement under high side-loads.
Is the Airtac SAI125 Standard Air Cylinder SAI125X95S the Right Cylinder?
Select this 125 mm bore when 100 mm (3927 N at 0.5 MPa) lacks the necessary thrust, but you want to avoid the bulk of a 160 mm bore. The 95 mm stroke suits compact heavy press tasks. Because it exceeds standard incremental strokes, verify your machine cadence allows for made-to-order lead times.
For any application requiring dead-stop holding without sustained air pressure, do not rely on the adjustable air cushions, as they only decelerate the piston. Specify an external pilot-operated check valve or the AirTAC SAIL locking variant. This SAI125X95-S is dimensionally interchangeable per ISO 15552, featuring a G1/2 port, TC trunnion compatibility, and an integrated -S magnet.
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 SAI125X95S FAQ
At an operating pressure of 0.5 MPa, this 125 mm bore cylinder provides 6136 N of push force and 5734 N of pull force. It can reach up to 11045 N push force at 0.9 MPa.
No. The adjustable air cushions only decelerate the piston at stroke ends and cannot lock a load. For fail-safe vertical holding without air pressure, use the AirTAC SAIL (air-released lock) variant or an external rod lock.
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