Airtac SAIJ125 Adjustable Cylinder SAIJ125X1000-10S
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X1000-10S 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 SAIJ125 Adjustable Cylinder SAIJ125X1000-10S
The AirTAC SAIJ125X1000-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 6136 N pull force at 0.5 MPa, making it suitable for heavy-duty handling. The integrated -S magnet enables position sensing with CMSE reed or DMSE electronic switches.
This model features a 1000 mm nominal stroke with a 10 mm rear adjustment screw, creating a precise 990-1000 mm usable travel window. Because the stroke exceeds standard ranges, it is built to order. The extruded aluminum barrel includes sensor grooves on both sides, and the carbon steel rod with an M27x2 thread handles high side loads, though a 1000 mm stroke still requires an external guide.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X1000-10S Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X1000-10S |
|---|---|
| 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 SAIJ125 Adjustable Cylinder SAIJ125X1000-10S
| 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 SAIJ125 Adjustable Cylinder SAIJ125X1000-10S Is Used
Long-Stroke Press Feed
Dial in the exact 990-1000 mm material feed position on a large press without machining external stop blocks.
Heavy Pallet Transfer
Adjust the retract end-stop on the fly to accommodate slightly different pallet lengths on a heavy-duty conveyor line.
Automated Assembly Station
Fine-tune the 1000 mm travel end position during machine setup to align large components perfectly before mating.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X1000-10S the Right Cylinder?
Choose this adjustable-stroke variant when you need to fine-tune the retract end position during commissioning or product changeover without swapping the cylinder or adding external stops. If your application requires less force, stepping down to a 100 mm bore yields 3681 N pull at 0.5 MPa. For higher force, a 160 mm bore provides 9425 N.
The rear adjuster acts only as a travel stop and does not hold the load without live air; for fail-safe load holding, consider the SAIL or BSAI series. To replace this cylinder, match the 125 mm bore, 1000 mm stroke, 10 mm adjustment, PT tapered port thread, carbon steel rod, -S magnet, and the SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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 SAIJ125 Adjustable Cylinder SAIJ125X1000-10S FAQ
At 0.5 MPa operating pressure, this 125 mm bore cylinder provides 6136 N of pull force and 8590 N at 0.7 MPa. The maximum allowable operating pressure is 1.0 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 10 mm, providing a usable travel window of 990 to 1000 mm. This stopper only sets the end position and does not lock the load without live air pressure.
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Standard models usually ship in 3-4 days.
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