Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 290mm 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
- Stroke290 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 SAIJ200BX290-40S
The AirTAC SAIJ200X290-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 290 mm nominal stroke by up to 40 mm. This yields a usable travel window of 250 to 290 mm, which is ideal for fine-tuning the retract end-position during commissioning without swapping out the cylinder or adding external stops. Built to deliver massive thrust, it generates 28274N of pull force at 0.9 MPa.
This pneumatic actuator features a robust 40 mm SUS304 stainless steel rod and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed and DMSE electronic switches. The rear adjuster acts purely as a mechanical stop for deceleration and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 290 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 SAIJ200BX290-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×290 | 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 SAIJ200BX290-40S Is Used
Heavy Machinery Changeover
Dial in the 250-290 mm retract position instantly when switching between heavy product variants on the assembly line.
End-Stop Tuning
Fine-tune the mechanical stop during commissioning to absorb 3204 kgf of kinetic energy without adding external shock absorbers.
Press Positioning
Achieve precise end-position tuning on large metalworking presses where a fixed 290 mm stroke would overshoot the target.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40S the Right Cylinder?
Choose this 200 mm bore cylinder when your application requires peak thrust, such as 21991N push at 0.7 MPa, and you need the flexibility to adjust the end-stop on the fly. If your force requirements are lower, stepping down to the 160 mm bore yields 14074N push at 0.7 MPa, which might better suit lighter duty cycles. The adjustable stroke is specifically beneficial for product-size changeovers on a line, providing a variable end-stop that fixed-stroke SAI cylinders cannot match.
When replacing an ISO 15552 cylinder, verify the 200 mm bore, 290 mm stroke, 40 mm adjustment range, PT port thread, and the -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the stroke is 290 mm, ensure an external guide supports any heavy lateral loads, as even the 40 mm rod cannot compensate for high side-load forces over this travel distance.
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 SAIJ200BX290-40S FAQ
At 0.9 MPa, this 200 mm bore cylinder provides 28274N of pull force and 3204 kgf maximum holding force at 1.0 MPa.
The rear adjuster screw lets you shorten the 290 mm nominal stroke by up to 40 mm, creating a 250-290 mm travel window. It acts as a stop, not a lock.
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