Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-20
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-20 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
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-20
The AirTAC SAIJ200X290-20 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 270-290 mm, allowing you to dial in the exact retract position without adding external stops. Built with a robust 40 mm piston rod and a PT G3/4 port, it delivers massive thrust up to 15708 N at 0.5 MPa push and 15080 N pull.
This unit features an SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-20 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-20 |
|---|---|
| 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 SAIJ200AX290-20
| 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 SAIJ200AX290-20 Is Used
Heavy Press Fine-Tuning
Dial in the exact 270-290 mm retract position during heavy press commissioning without swapping cylinders or bolting on external stops.
Product Size Changeover
Quickly adjust the retract end-stop to accommodate different product lengths on a heavy-duty conveyor line.
Machine Setup Optimization
Use the 20 mm adjustment window to perfectly set the stroke end position during initial machine build and setup.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX290-20 the Right Cylinder?
Choose this 200 mm bore when you need extreme force that smaller bores cannot provide, such as stepping up from a 160 mm bore that yields 9425 N pull at 0.5 MPa. The adjustable stroke is ideal for machine setup and product changeover, letting you fine-tune the end position at commissioning rather than swapping a fixed-stroke SAI cylinder.
Because the stroke is 290 mm, the long unsupported rod requires an external guide to prevent excessive side-loading. Remember that the rear adjuster and air cushions only decelerate the travel end; for true load-holding without live pressure, select a SAIL air-released lock or BSAI clamp-lock cylinder instead.
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 SAIJ200AX290-20 FAQ
At 0.5 MPa, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. It can reach a maximum of 3204 kgf at 1.0 MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the 290 mm nominal stroke by up to 20 mm, giving a usable travel window of 270-290 mm. It only sets the travel end and does not lock or hold the load without live air pressure.
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