Airtac SAIJ200 Adjustable Cylinder SAIJ200AX140-100
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX140-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 140mm 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
- Stroke140 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX140-100
The AirTAC SAIJ200X140-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits a usable travel window of 40-140 mm from its 140 mm nominal stroke. Delivering a robust 21991 N push force at 0.7 MPa, it excels in heavy-duty positioning. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This variant uses an SUS420J2 stainless steel rod for enhanced corrosion resistance and PT tapered ports. The rear adjuster functions purely as a mechanical stop to fine-tune end positions during commissioning; it does not hold the load without live air pressure. For load-holding requirements, explore the SAIL or BSAI series instead.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX140-100 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX140-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 140 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 SAIJ200AX140-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×140 | 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 SAIJ200AX140-100 Is Used
Heavy Press Tuning
Dial in the exact 40-140 mm travel window during heavy press commissioning to accommodate varying material thicknesses without adding external stops.
Product Size Changeover
Rapidly adjust the retract end-position on a packaging line when switching between large and small product formats using the 100 mm trim screw.
Variable End-Stop Assembly
Set precise lower end-positions for heavy automotive component placement, leveraging the 28274 N push force at 0.9 MPa for secure seating.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX140-100 the Right Cylinder?
Selecting this 200 mm bore model provides a maximum pull force of 15080 N at 0.5 MPa, making it suitable for moving heavy assemblies. If your application requires less force, stepping down to a 160 mm bore yields 14074 N at 0.7 MPa, which might better suit lighter frames. The SAIJ200X140-100 is chosen specifically when you need an adjustable end-stop for variable product sizes without swapping the entire cylinder.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 140 mm stroke, 100 mm adjustment range, PT G3/4 port, and the desired mounting style from the available Basic, FA, LB, TC, FTC, TCM1, and TCM2 set. Note that this series omits FB, CA, CB, and CR mounts. Because the stroke is 140 mm, side-load risks are minimal, but external guides are recommended for heavy 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 SAIJ200AX140-100 FAQ
At 0.7 MPa, this 200 mm bore cylinder provides a push force of 21991 N and a pull force of 19791 N. At 0.9 MPa, the push force increases to 28274 N.
The rear adjuster acts as a mechanical stop, allowing you to trim the 140 mm nominal stroke back by up to 100 mm, creating a usable travel window of 40-140 mm. It only sets the end position and does not lock the load.
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