Airtac SAIJ200 Adjustable Cylinder SAIJ200AX100-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX100-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 100mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke100 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX100-40S
The AirTAC SAIJ200X100-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 100 mm nominal stroke that can be dialed back by up to 40 mm, yielding a highly precise 60-100 mm usable travel window for exact end-position tuning during commissioning. In the 200 mm bore class, it delivers substantial thrust, pushing 21991 N and pulling 15080 N at 0.7 MPa.
This variant features an SUS420J2 stainless steel piston rod (code A) for enhanced corrosion resistance compared to standard carbon steel. Because it includes a magnet (-S), it directly supports AirTAC CMSE reed and DMSE solid-state electronic sensors housed within the dual-side sensor grooves of the extruded aluminum barrel. The rear adjuster functions strictly as a travel stop for deceleration, not a lock, meaning live air pressure is required to hold the load.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX100-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX100-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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, 50 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 (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200AX100-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×100 | 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 SAIJ200 Adjustable Cylinder SAIJ200AX100-40S Is Used
Stroke Tuning at Setup
Dial in the exact retract distance within the 60-100 mm window during initial machine commissioning without machining custom spacers.
Product Size Changeover
Quickly adapt the end-stop position on automated lines when processing different product lengths, minimizing downtime.
High-Force Positioning
Leverage the massive 21991 N push force at 0.7 MPa to move heavy assemblies while retaining the ability to trim the final end-position by up to 40 mm.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX100-40S the Right Cylinder?
Selecting this 200 mm bore cylinder makes sense when your application requires the maximum 3204 kgf output at 1.0 MPa combined with variable end-stops. If the full 100 mm stroke is unnecessary, stepping down to a 160 mm bore reduces the footprint and yields 14074 N push force at 0.7 MPa, though you lose the higher thrust. The adjustable rear screw is chosen over a fixed-stroke SAI model when you need to fine-tune the retract position on product changeovers without adding external stops or swapping the cylinder.
For load-holding without continuous live air pressure, this adjuster will not suffice; you must integrate an external pilot-operated check valve or switch to an AirTAC SAIL or BSAI locking cylinder. To ensure a true ISO 15552 replacement match, verify the 100 mm stroke, 40 mm adjustment range, PT tapered port threads, and your required mounting interface from the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (FB, CA, CB, and CR are omitted).
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 SAIJ200 Adjustable Cylinder SAIJ200AX100-40S FAQ
At an operating pressure of 0.7 MPa, this 200 mm bore cylinder provides a push force of 21991 N and a pull force of 15080 N. At its maximum rated pressure of 1.0 MPa, it achieves a peak push force of 28274 N.
The rear adjuster acts as an external stopper that shortens the effective stroke. For this 100 mm nominal stroke model, the -40 adjustment code means you can mechanically trim the usable travel window down to 60 mm, allowing precise end-position tuning without replacing the cylinder.
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