Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-40S 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 a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke95 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-40S
The AirTAC SAIJ200X95-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end-of-travel position. With a 95 mm nominal stroke and a 40 mm adjustment range, you get a usable travel window of 55 to 95 mm. This enables precise end-position tuning at commissioning or during product changeovers without swapping the cylinder or adding external stops. As a profile cylinder, it uses an extruded aluminum barrel with sensor grooves on both sides.
In the 200 mm bore class, this model provides massive thrust, delivering 15708 N of push force and 15080 N of pull force at 0.5 MPa, peaking at 3204 kgf at 1.0 MPa. It features a SUS420J2 stainless steel rod (code A) for improved corrosion resistance, a heavy M36x2 rod thread, and PT tapered port threads. The integrated magnet (-S) supports position sensing using AirTAC CMSE reed switches or DMSE solid-state electronic sensors.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-40S |
|---|---|
| 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 | 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 SAIJ200AX95-40S
| 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 SAIJ200AX95-40S Is Used
Heavy Press Tuning
Dial in the exact 55-95 mm pressing distance during setup, using the rear stopper to fine-tune the end position for different material thicknesses without changing the cylinder.
Product Changeover
Adjust the effective stroke on the fly when switching the production line to a new item size, relying on the 40 mm adjustment window to set new physical boundaries.
Assembly Station Stops
Utilize the massive 15708 N push force at 0.5 MPa to drive heavy assembly tooling, setting precise end-of-travel limits via the rear screw rather than external hard stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-40S the Right Cylinder?
When specifying this cylinder, the 40 mm adjustment window is ideal for machines requiring variable end-stops or frequent product-size changeovers, avoiding the need to stock multiple fixed-stroke SAI units. If you need to step the bore down to reduce physical size and cycle speed, a 160 mm bore neighbor yields 10053 N push force at 0.5 MPa. Conversely, stepping up is not available beyond 200 mm in this range.
For any application, remember the rear adjuster acts as a mechanical stop to set deceleration and travel ends; it does not hold the load without live air. If your process requires true load-holding without continuous pneumatic pressure, you must use an external rod lock, a pilot-operated check valve, or switch to related types like the SAIL (air-released lock) or BSAI (clamp-lock). The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR.
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 SAIJ200AX95-40S FAQ
At 0.5 MPa, this 200 mm bore cylinder generates 15708 N of push force and 15080 N of pull force. At its maximum operating pressure of 1.0 MPa, it can deliver up to 3204 kgf.
The rear adjuster screw lets you shorten the 95 mm nominal stroke by up to 40 mm, providing a usable travel window of 55 to 95 mm. This allows you to set the exact end position at commissioning without adding external stops.
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