Airtac SAIJ200 Adjustable Cylinder SAIJ200X95-40
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X95-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 95mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ200 mm
- Stroke95 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200X95-40
The AirTAC SAIJ200X95-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust for heavy-duty pneumatics. The integrated rear adjusting screw allows you to trim the 95 mm nominal stroke back by up to 40 mm, creating a precise 55-95 mm usable travel window without changing the cylinder body.
This adjustable feature is invaluable during machine commissioning or product changeovers, letting you fine-tune the retract end position on the fly instead of adding external stops. The extruded aluminum barrel includes sensor grooves on both sides, and while this unit uses a standard carbon steel rod with PT tapered ports, you can specify an -S variant if you need DMSE solid-state or CMSE reed sensors. Remember that the rear adjuster acts purely as a travel stop to set deceleration alongside the air cushions; it does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X95-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X95-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 95 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 | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | — |
| Max (@1.0 MPa) | 3075 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200X95-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | 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 SAIJ200 Adjustable Cylinder SAIJ200X95-40 Is Used
Heavy Machinery Positioning
Dials in the exact retract distance for large metalforming presses, utilizing the 55-95 mm travel window to accommodate different die heights during product changeovers.
Automated Assembly Tuning
Allows operators to fine-tune the end-stop of heavy clamping fixtures at commissioning without swapping out the entire cylinder or fabricating custom spacer blocks.
Variable Stop Actuation
Provides adjustable end-positioning for large robotic welding guns, ensuring precise electrode alignment across varying workpiece sizes.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X95-40 the Right Cylinder?
The adjustable stroke is ideal for variable end-stop positioning, whereas a fixed-stroke SAI cylinder is better suited for repetitive, single-depth operations. If your setup demands load-holding without continuous air pressure, you must integrate an external rod lock or look at the SAIL or BSAI series, as the SAIJ adjuster is not a locking mechanism.
For an exact ISO 15552 replacement, match the 200 mm bore, 95 mm stroke, 40 mm adjustment range, PT port thread, and standard carbon steel rod without a magnet. Because this cylinder produces very high kinetic energy, ensure your mounting configuration—whether Basic, FA, LB, TC, FTC, TCM1, or TCM2—is rigidly secured. Furthermore, the 40 mm rod diameter and M36x2 rod thread provide excellent resistance to bending, but any application approaching the maximum stroke limits should still use an external guide to prevent excessive side-loading.
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 SAIJ200X95-40 FAQ
At its maximum operating pressure of 1.0 MPa, it delivers up to 3204 kgf of push force.
The rear adjusting screw acts as a mechanical stop that trims the effective travel. For this SAIJ200X95-40 model, you can shorten the 95 mm nominal stroke by up to 40 mm, resulting in a usable travel window of 55 to 95 mm. Note that this stopper only sets the end position; it does not lock the load.
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