Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-30S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 900mm 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
- Stroke900 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-30S
The AirTAC SAIJ200X900-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa, making it suited for heavy-duty industrial handling. By turning the rear screw, you achieve an 870-900 mm usable travel window to perfectly dial in the retract end position without swapping out the entire unit.
This variant features a SUS420J2 stainless steel rod (code A) for enhanced durability against moisture and a built-in magnet (-S) for position detection. It operates at 30-500 mm/s and uses PT tapered ports sized G3/4. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches exactly where needed for automated feedback.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-30S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 900 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 SAIJ200AX900-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×900 | 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 SAIJ200AX900-30S Is Used
Heavy Press Tuning
Dial in the exact 870-900 mm retract position on large forming presses during setup, ensuring precise contact without adding external mechanical stops.
Large Product Changeover
Adjust the end-of-stroke position on heavy conveyor diverters to accommodate different pallet sizes quickly during production line changeovers.
Heavy-Duty Indexing
Index large industrial components with up to 15708 N of push force at 0.5 MPa, relying on the adjustable stop to fine-tune the resting position.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-30S the Right Cylinder?
Selecting this 200 mm bore cylinder is appropriate when your application requires extremely high force, stepping up from a 160 mm bore that provides 10053 N push at 0.5 MPa. The adjustable stroke is chosen over a fixed SAI cylinder when you need variable end-stops for product changeovers or fine-tuning during machine commissioning. Because the rear adjuster acts only as a travel stop and the air cushion handles deceleration, neither will hold a load without live air; for true load-holding, consider an external rod lock or the SAIL series.
For a seamless ISO 15552 replacement match, verify the 200 mm bore, 900 mm stroke, 30 mm adjustment, G3/4 PT ports, and the -S magnet requirement. Since the stroke is 900 mm, the 40 mm rod and M36x2 thread provide substantial rigidity, but long unsupported strokes still require an external guide to prevent excessive side-loading. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ200AX900-30S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster screw allows you to trim the effective stroke by up to 30 mm, creating an 870-900 mm usable travel window. This stopper fine-tunes the end position at commissioning but does not lock the load without continuous air pressure.
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