Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 210mm 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
- Stroke210 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30
The AirTAC SAIJ200X210-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 180 to 210 mm, allowing you to dial back the nominal 210 mm stroke by up to 30 mm during commissioning. This built-in stopper eliminates the need to swap cylinders or add external shims to achieve precise end-position tuning.
Delivering 15708 N of push force and 15080 N of pull force at 0.5 MPa, this massive bore handles heavy industrial loads. The piston rod uses SUS420J2 stainless steel for superior corrosion resistance, and the extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE electronic sensors.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 210 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 SAIJ200AX210-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×210 | 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 SAIJ200AX210-30 Is Used
Heavy Press Tuning
Fine-tune the 180 to 210 mm travel window during heavy press commissioning to achieve exact bottom-dead-center positioning without machining external spacers.
Product Changeover
Quickly adjust the retract end-stop by up to 30 mm when switching between product sizes on a high-force assembly line, minimizing machine downtime.
Robotic Material Handling
Provides 15708 N of push force at 0.5 MPa for moving heavy pallets or metal blanks, with the rear stopper allowing precise positioning matches for robotic pick-up.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30 the Right Cylinder?
Choose this 200 mm bore when your application requires maximum thrust up to 15708 N at 0.5 MPa, stepping up significantly from a 160 mm bore that provides 10053 N. The adjustable stroke is ideal for product-size changeovers on a line, letting operators fine-tune the retract end-stop without changing the mounting footprint. Note that the rear adjuster functions purely as a travel stop and does not hold the load without live air pressure; for true load-holding without continuous air, consider an AirTAC SAIL or BSAI cylinder.
Because the 210 mm stroke is relatively short for this large bore, side-loading is less severe than with longer strokes, but the substantial 40 mm rod diameter still handles high eccentric loads well. To replace this unit with another ISO 15552 dimensionally interchangeable cylinder, match the 200 mm bore, 210 mm stroke, 30 mm adjustment, PT tapered port threads, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, 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 SAIJ200AX210-30 FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. The operational speed range is 30 to 500 mm/s.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from 210 mm down to as little as 180 mm. It sets the travel end and relies on the air cushion for deceleration, but it does not lock or hold the load without continuous air pressure.
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