Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-100
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 120mm 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.
- BoreØ100 mm
- Stroke120 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-100
The AirTAC SAIJ100X120-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel down from 120 mm to a minimum of 20 mm. This exceptionally wide 20-120 mm usable window is ideal for prototyping and highly variable product lines, giving you on-the-fly end-position tuning without swapping out the barrel or bolting on external stops. It delivers robust thrust, pushing 5497 N at 0.7 MPa and pulling 3681 N at 0.5 MPa.
This specific configuration is built with a SUS420J2 stainless steel rod (material code A) for enhanced resistance to corrosion and wear. It utilizes PT tapered port threads (G1/2) and excludes a magnet; if position sensing is later required, adding an -S magnet variant enables the use of AirTAC CMSE reed or DMSE solid-state switches in the dual-side sensor grooves. The rear adjuster acts purely as a mechanical stop to set deceleration and end limits, meaning it will not hold a load safely without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-100 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 120 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×120 | 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 SAIJ100 Adjustable Cylinder SAIJ100AX120-100 Is Used
Variable Product Changeovers
Dial in the exact end-stop for different package lengths on a single machine without physically swapping cylinders during format changeovers.
Prototype End-Stop Tuning
Perfect for R&D and prototype tooling where the exact required stroke is unknown, allowing safe travel limits from 20 to 120 mm during testing.
Adjustable Pressing Stations
Provides a 5497 N pressing force at 0.7 MPa with the flexibility to back off the stroke by up to 100 mm for varying material thicknesses.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-100 the Right Cylinder?
Choose this 100 mm bore when your application requires significantly more force than a 80 mm bore cylinder (which provides 3518 N push at 0.7 MPa), but you want to avoid the heavier footprint and higher air consumption of a 125 mm bore (8590 N push at 0.7 MPa). The massive 100 mm adjustment range on a 120 mm nominal stroke is perfect for machine setups requiring frequent changeovers between drastically different product sizes, replacing the need to stock multiple fixed-stroke SAI cylinders. Because the stroke can be dialed back so far, you can fine-tune the exact end-stop during commissioning. Remember that the rear adjuster only sets the travel end; for fail-safe load holding without live air, you should specify a SAIL pneumatic lock, a BSAI clamp-lock cylinder, or an external rod lock. When replacing an ISO 15552 cylinder, match the 100 mm bore, 120 mm stroke, 100 mm adjustment, PT G1/2 ports, and the SUS420J2 rod material.
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 SAIJ100 Adjustable Cylinder SAIJ100AX120-100 FAQ
At 0.5 MPa, it provides 3927 N of push force and 3681 N of pull force. If you increase the operating pressure to 0.7 MPa, the push force rises to 5497 N.
The rear adjuster allows you to mechanically shorten the 120 mm nominal stroke by up to 100 mm, creating a usable travel window of 20 to 120 mm. The adjuster acts as a travel stop and does not lock the load without continuous air pressure.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SAI Cylinders
Request a Quote for Airtac SAIJ100 Adjustable Cylinder SAIJ100AX120-100
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.