Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75S
The AirTAC SAIJ200X230-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 200 mm bore generating 15708 N push force at 0.5 MPa, paired with a 230 mm nominal stroke that can be dialed back by up to 75 mm. This yields a usable travel window of 155-230 mm, allowing precise end-position tuning at commissioning without swapping the barrel or adding external stops. The PT tapered port threads and SUS420J2 stainless steel rod (code A) enhance corrosion resistance.
Because the -S magnet option is present, this unit directly supports AirTAC CMSE reed and DMSE electronic solid-state sensors via the dual-side extruded aluminum barrel grooves. The rear adjuster acts purely as a mechanical travel stop for end-position deceleration, not as a load-holding lock. For applications requiring the cylinder to hold a load without live air pressure, an external pilot-operated check valve or a related AirTAC BSAI clamp-lock cylinder is required.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 230 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 SAIJ200AX230-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×230 | 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 SAIJ200AX230-75S Is Used
Heavy Press Tuning
Dial in the exact 155-230 mm travel window on a large metal forming press to accommodate varying material thicknesses without changing the cylinder.
Product Changeover Stops
Rapidly adjust the retract end-position on a heavy conveyor diverter by up to 75 mm during packaging format changes, eliminating mechanical shims.
Large Assembly Positioning
Fine-tune the end-stop on heavy automotive assembly lines where the 200 mm bore provides 15708 N of thrust but precise final positioning varies per part.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75S the Right Cylinder?
Select this 200 mm bore model when your machinery requires heavy thrust up to 15708 N at 0.5 MPa (or 21991 N at 0.7 MPa) alongside variable end-stops for rapid product changeover. If you need slightly less force, stepping down to a 160 mm bore yields 10053 N at 0.5 MPa. The 75 mm adjustment window is ideal for accommodating multiple product sizes on one line. To match this exact unit for an ISO 15552 replacement, specify: 200 mm bore, 230 mm stroke, 75 mm adjustment, PT G3/4 ports, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and the -S magnet.
With a 230 mm stroke and a 40 mm rod diameter, the unsupported piston rod is highly susceptible to side loads and sagging. Even though the SUS420J2 rod and M36x2 thread are robust, you must use an external guide rail to prevent premature seal wear and binding. The standard speed range for this large bore is 30-500 mm/s.
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 SAIJ200AX230-75S FAQ
The rear adjuster is a mechanical stopper that lets you shorten the effective stroke by up to 75 mm, providing a usable travel window of 155-230 mm. It allows fine end-position tuning at commissioning without external stops, but it does not lock or hold the load without live air pressure.
At 0.5 MPa operating pressure, it provides 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N.
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