Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 260mm 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
- Stroke260 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30S
The AirTAC SAIJ200X260-30-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 230-260 mm usable travel window, allowing you to dial back the nominal 260 mm stroke by up to 30 mm during commissioning without adding external stops. In the 200 mm bore class, it generates a substantial 15708 N push force at 0.5 MPa and 21991 N at 0.7 MPa.
This variant includes a magnet for CMSE reed and DMSE electronic sensors, and uses a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance. Fluid ports are PT tapered threads sized at G3/4. The extruded aluminum barrel integrates sensor grooves on both sides, and mounting options span the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 260 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 SAIJ200AX260-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×260 | 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 SAIJ200AX260-30S Is Used
Heavy Press Tuning
Fine-tune the end-stop on large forming presses during setup. The 30 mm adjustment window lets operators compensate for tooling wear without replacing the entire cylinder.
Pallet Diverter Setup
Adjust the retract position of a heavy-duty diverter arm by up to 30 mm to accommodate different pallet sizes on the fly, ensuring precise routing without mechanical modifications.
Automated Assembly Clamping
Dial in the exact clamping travel window between 230 and 260 mm for large component fixtures, providing flexibility during product changeovers while delivering 15708 N of clamping force.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30S the Right Cylinder?
Select this 200 mm bore cylinder when an application requires immense thrust combined with variable end-stop positioning. If your process needs slightly less force, stepping down to a 160 mm bore yields 10053 N push at 0.5 MPa, whereas moving up is impossible as 200 mm is the largest standard SAIJ size. The 30 mm adjustment range is ideal for product changeovers on heavy machinery, letting you fine-tune the retract position on the fly instead of swapping out a fixed-stroke SAI cylinder.
Because the 260 mm stroke exceeds 300 mm? No, but even at 260 mm, the 40 mm rod diameter and M36x2 thread provide excellent rigidity, though an external guide is still recommended for heavy lateral loads. Remember that the rear adjuster acts only as a travel stop, not a lock; the SAIJ cannot hold a load without live air pressure, so for fail-safe holding you need a SAIL pneumatic lock, a BSAI clamp-lock, or an external rod lock. To match this ISO 15552 footprint exactly, specify the 200 mm bore, 260 mm stroke, 30 mm adjustment, PT G3/4 ports, and the -S magnet.
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 SAIJ200AX260-30S FAQ
At a 0.5 MPa operating pressure, this 200 mm bore cylinder generates 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N.
The rear adjuster screw acts as a mechanical stop that allows you to shorten the effective stroke from the nominal 260 mm down to 230 mm. It fine-tunes the retract end-position at commissioning, but it does not lock the load without live air pressure.
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