Airtac SAIJ200 Adjustable Cylinder SAIJ200AX55-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX55-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 55mm 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
- Stroke55 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX55-40
The AirTAC SAIJ200X55-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 15 to 55 mm, letting you dial back the 55 mm nominal stroke by up to 40 mm during machine setup. This 200 mm bore delivers massive thrust, pushing 15708 N at 0.5 MPa and reaching 28274 N at 0.9 MPa. A 40 mm rod thread and 40 mm cushion length manage heavy kinetic energy effectively.
This SKU uses a SUS420J2 stainless steel rod (option A) for improved corrosion resistance over standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE solid-state switches, though this specific configuration omits the internal magnet. It features PT tapered port threads and operates at speeds between 30 and 500 mm/s.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX55-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX55-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 55 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 SAIJ200AX55-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×55 | 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 SAIJ200AX55-40 Is Used
Heavy Press Tuning
Fine-tune the 15 to 55 mm travel window on heavy press operations to accommodate varying material thicknesses without physical hardware changes.
Product Changeover
Quickly adjust the end-stop position during production line changeovers, using the 40 mm rear screw to adapt the 55 mm stroke to new package sizes.
Massive Force Positioning
Leverage the 28274 N push force at 0.9 MPa for moving heavy assemblies, using the PT-ported cylinder to dial in the exact retraction point.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX55-40 the Right Cylinder?
Choose this 200 mm bore when an application requires extreme force, such as 15708 N push at 0.5 MPa, which far exceeds the 10053 N available from the neighbouring 160 mm bore. The adjustable stroke is ideal for fine-tuning end positions at commissioning or during product changeover without swapping the cylinder or adding external stops. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding without pressure, select a SAIL or BSAI cylinder. Mounting options include 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 SAIJ200AX55-40 FAQ
It features a rear adjusting screw that lets you shorten the effective stroke by up to 40 mm. This creates a usable travel window of 15 to 55 mm, allowing precise end-position tuning without adding external stops.
At 0.5 MPa, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At 0.9 MPa, the push force increases to 28274 N.
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