Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 135mm 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
- Stroke135 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-30
The AirTAC SAIJ200X135-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust with a 15708N push force at 0.5 MPa. Its 135 mm nominal stroke can be dialed back by up to 30 mm, creating a precise 105-135 mm usable travel window for exact end-position tuning during commissioning. This model features a SUS420J2 stainless steel rod for enhanced corrosion resistance and PT tapered port threads.
Because the adjuster acts purely as a mechanical stop on the retract end, it cannot hold a load without continuous live air pressure. For load-holding requirements, an external pilot-operated check valve or an AirTAC BSAI clamp-lock cylinder is required. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE electronic switches if a magnet is added later.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 135 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 SAIJ200AX135-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×135 | 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 SAIJ200AX135-30 Is Used
Heavy Press Tuning
Dial in the exact 105-135 mm end-stop during heavy press commissioning to accommodate material thickness variations without swapping cylinders.
Product Changeover
Adjust the retract position on the fly for different product sizes on a high-force assembly line, minimizing downtime.
Rigid Clamping Setup
Fine-tune the clamping depth of large components using the rear stopper, relying on the 40 mm rod to handle substantial side loads.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-30 the Right Cylinder?
Select this 200 mm bore cylinder when an application demands extreme force, as stepping down to a 160 mm bore drops the 0.5 MPa push force to 10053N. Choose the SAIJ adjustable-stroke format over a fixed SAI when you need variable end-stops or fine-tuning during machine setup without adding external stops. When replacing an ISO 15552 cylinder, match the 135 mm stroke, 30 mm adjustment, G3/4 PT port, and desired mounting from the SAIJ subset (Basic, FA, LB, TC, FTC, TCM1, TCM2).
Although the 40 mm rod and M36x2 thread provide excellent rigidity, an unsupported 135 mm stroke on a heavy load still necessitates an external guide to prevent side-loading damage. Note that the rear screw adjuster only sets the travel end and does not function as a lock.
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 SAIJ200AX135-30 FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides a push force of 15708N and a pull force of 15080N. At 0.7 MPa, the push force increases to 21991N.
The rear adjuster screw allows you to shorten the 135 mm nominal stroke by up to 30 mm, providing a usable travel window of 105-135 mm. This mechanical stop fine-tunes the end position but does not lock the load without live air pressure.
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