Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-30S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 240mm 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
- Stroke240 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-30S
The AirTAC SAIJ200X240-30-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 to heavy-duty industrial handling. By turning the rear screw, you can trim the effective stroke by up to 30 mm, establishing a precise 210-240 mm usable travel window without changing the cylinder or adding external stops.
This variant features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and includes a magnet (-S) for position sensing. It uses PT tapered ports sized G3/4 and operates at speeds of 30-500 mm/s. The extruded aluminum barrel incorporates sensor grooves on both sides, allowing you to mount AirTAC CMSE reed or DMSE electronic switches directly along the body.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-30S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 240 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 SAIJ200AX240-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×240 | 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 SAIJ200AX240-30S Is Used
Heavy Press Tuning
Dial in the exact 210-240 mm end-of-stroke position during heavy press setup to accommodate different material thicknesses without repositioning the cylinder.
Product Changeover
Adjust the rear stopper on the fly for varying package sizes on a high-thrust conveyor diverter, avoiding the need to swap out the entire actuator.
Large Assembly Jigs
Use the massive 15708 N push force to seat heavy components, relying on the fine adjustment to perfect the final clamping distance.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-30S the Right Cylinder?
Choose this 200 mm bore when a 160 mm bore (providing 10053 N push force at 0.5 MPa) cannot meet your load requirements. The adjustable stroke is ideal for heavy machinery commissioning, allowing you to fine-tune the 210-240 mm end position during product changeovers rather than machining hard stops. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true pneumatic locking, consider the SAIL or BSAI series.
To match this ISO 15552 interchangeable cylinder exactly, specify the 200 mm bore, 240 mm nominal stroke, 30 mm adjustment, PT G3/4 ports, and the -S magnet. It supports the SAIJ mounting subset (Basic, FA, LB, TC, FTC, TCM1, TCM2) but omits FB, CA, CB, and CR brackets. Because the 240 mm stroke is well below the 1500 mm maximum, side-load stress is moderate, but the 40 mm rod diameter still requires proper external guiding for heavy lateral loads.
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 SAIJ200AX240-30S 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 shorten the 240 mm nominal stroke by up to 30 mm, creating a 210-240 mm usable travel window. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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