Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-100
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 850mm 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
- Stroke850 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-100
The AirTAC SAIJ200X850-100 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications requiring exact end-position tuning. Featuring a robust 200mm bore, it delivers a substantial push force of 21991N at 0.7MPa and operates at speeds of 30-500mm/s. The integrated rear adjusting screw allows you to shorten the effective stroke by up to 100mm, creating a precise 750-850mm usable travel window without needing external stops.
This model features a SUS420J2 stainless steel piston rod (code A) paired with a PT tapered port thread, ensuring reliable sealing and corrosion resistance in demanding environments. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. While the rear adjuster and variable air cushions at both ends decelerate the travel ends, note that this cylinder relies on live air to hold its load; for fail-safe load holding without pressure, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-100 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 850 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 SAIJ200AX850-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×850 | 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 SAIJ200AX850-100 Is Used
Heavy Press Tuning
Dial in the exact 750-850mm travel limit on heavy stamping presses during setup, avoiding the need to physically swap cylinders for different material thicknesses.
Product Size Changeovers
Quickly adapt end-of-line packaging or lifting stations to varying large product dimensions by turning the rear stopper to shift the 100mm adjustment window.
Large Assembly Fixturing
Position massive components accurately on automated assembly lines, relying on the 21991N push force at 0.7MPa to move heavy fixtures securely.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-100 the Right Cylinder?
Choose this 200mm bore cylinder when your machinery requires immense thrust—such as 21991N at 0.7MPa—that smaller bores cannot provide. The adjustable stroke is ideal for production lines handling frequent product-size changeovers, allowing operators to dial in the exact 750-850mm travel limit during commissioning rather than swapping out a fixed-stroke SAI cylinder. Because the stroke is 850mm, the 40mm diameter rod is susceptible to side-loading; always use an external guide rail to prevent binding and premature seal wear. The mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 attachments (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 SAIJ200AX850-100 FAQ
At an operating pressure of 0.7MPa, this 200mm bore cylinder provides a push force of 21991N and a pull force of 15080N. It can deliver up to 3204 kgf at its maximum rated pressure of 1.0MPa.
The rear adjuster acts as an external mechanical stop that trims the effective travel back by up to 100mm. For this 850mm nominal stroke model, it creates a usable travel window of 750-850mm, allowing fine-tuning at commissioning without replacing the cylinder.
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