Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30S 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 SAIJ200AX210-30S
The AirTAC SAIJ200X210-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers substantial thrust, pushing with 15708N and pulling with 15080N at 0.5 MPa. The integrated -30 adjustment code allows you to trim the nominal 210mm stroke back by up to 30mm, providing a usable travel window of 180-210mm to perfectly dial in end positions during commissioning.
This variant features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. Fluid is filtered air, operating pressure ranges from 0.15 to 1.0 MPa, and the extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch mounting.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30S |
|---|---|
| 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 SAIJ200AX210-30S
| 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 SAIJ200AX210-30S Is Used
Heavy Machinery Setup
Fine-tune the 180-210mm travel window during heavy machinery commissioning to achieve precise end-stops without machining external spacers.
Product Size Changeover
Quickly adjust the rear stopper by up to 30mm on automated lines to accommodate varying product lengths without changing the cylinder.
High-Force Positioning
Leverage the 15708N push force at 0.5 MPa for positioning heavy workpieces, relying on the SUS420J2 rod for durability in harsh environments.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX210-30S the Right Cylinder?
Choose this 200mm bore cylinder when an application demands maximum force—delivering 15708N of push at just 0.5 MPa. If your process requires less thrust, stepping down to the 160mm bore yields 10053N of push force at the same pressure. The adjustable stroke is ideal for product changeovers or fine-tuning machine setup without swapping hardware, whereas a fixed SAI cylinder locks you into a single dimension. The rear adjuster acts purely as a travel stop and does not hold the load without live air; for true pneumatic locking without pressure, consider the SAIL or BSAI series.
With a 210mm stroke, the robust 40mm rod and M36x2 thread handle significant side loads, though an external guide is still recommended for unsupported loads. This model is dimensionally interchangeable per ISO 15552 and uses PT tapered ports. Mounting options include 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 SAIJ200AX210-30S FAQ
At 0.5 MPa operating pressure, this 200mm bore cylinder provides a push force of 15708N and a pull force of 15080N. At the maximum rated pressure of 1.0 MPa, it can deliver up to 3204 kgf.
The rear adjuster screw allows you to shorten the effective travel from the nominal 210mm down to 180mm, creating a 180-210mm usable window. It functions as a mechanical stop to decelerate the piston and set the exact end position, but it is not a locking device and cannot hold the load without continuous air pressure.
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