Airtac SAIJ200 Adjustable Cylinder SAIJ200AX325-10
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX325-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 325mm 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
- Stroke325 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX325-10
The AirTAC SAIJ200X325-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 10 mm. This specific SKU provides a usable stroke window of 315-325 mm, giving you precise control over the retract end-position during commissioning without needing external stops. As a large-bore 200 mm cylinder, it delivers immense thrust, pushing with 28274 N at 0.9 MPa and pulling with 15080 N at 0.5 MPa. The piston rod is built from SUS420J2 stainless steel (code A) for high durability, and the body uses an extruded aluminum barrel rather than a tie-rod design.
Because the nominal 325 mm stroke is a non-standard made-to-order length exceeding the 1500 mm standard maximum, this model is engineered for specialized heavy-duty machinery. The PT (tapered) G3/4 port and M36x2 rod thread handle massive air volumes and structural loads. It includes variable air cushions at both ends to manage kinetic energy, but remember the adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX325-10 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX325-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 325 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 SAIJ200AX325-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×325 | 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 SAIJ200AX325-10 Is Used
Heavy Press Tuning
Dial in the exact 315-325 mm retract stop during press setup to accommodate varying material thicknesses without adding external stopper blocks.
Product Changeover
Quickly adjust the end-of-stroke position on automated assembly lines when switching between different large-component product sizes.
Machine Commissioning
Fine-tune the final end-position during initial machine build, compensating for mechanical tolerances by trimming up to 10 mm off the nominal stroke.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX325-10 the Right Cylinder?
Choose this 200 mm bore cylinder when your application requires extreme force in the 28274 N range at 0.9 MPa, stepping up significantly from a 160 mm bore that provides 18095 N. The adjustable 315-325 mm travel window is ideal for product changeovers or fine-tuning machine setup, avoiding the hassle of swapping out a fixed-stroke SAI cylinder. When ordering a replacement, verify the 325 mm stroke, 10 mm adjustment, PT G3/4 port, and SUS420J2 rod material.
Since the 325 mm stroke is relatively long for this massive bore, an external guide is recommended to prevent excessive side-loading on the M36x2 rod thread. If your process requires the load to be held mechanically without continuous air pressure, this standard cylinder will not suffice; you should look at the SAIL (air-released lock) or BSAI (clamp-lock) variants instead. This SAIJ model uses the reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, 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 SAIJ200AX325-10 FAQ
At 0.9 MPa, the push force is 28274 N, and the pull force is 21991 N. At 0.5 MPa, it delivers 15708 N push and 15080 N pull.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from 325 mm down to 315 mm. It sets the end-position but does not lock the load without live air pressure.
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