Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-20S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 190mm 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
- Stroke190 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-20S
The AirTAC SAIJ200X190-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the retract end-position during commissioning. It provides a usable travel window of 170-190 mm from its 190 mm nominal stroke. Built to handle heavy loads, it delivers 15708 N of push force and 15080 N of pull force at 0.5 MPa. The piston rod uses SUS420J2 stainless steel for superior corrosion resistance, and the integrated magnet supports CMSE reed and DMSE electronic sensors.
This adjustable-stroke design eliminates the need to swap cylinders or bolt on external stops when dialing in final positions. The rear adjuster acts purely as a travel stop to set deceleration, not as a lock, so it will not hold the load without live air. For load-holding without pressure, consider the SAIL or BSAI series instead.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-20S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 190 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 SAIJ200AX190-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×190 | 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 SAIJ200AX190-20S Is Used
Heavy Press Tuning
Dial in the exact 170-190 mm retract position during machine commissioning to perfect heavy pressing operations without external stops.
Product Changeover
Adjust the end-stop on the fly when switching product sizes on the line, saving downtime by using the built-in 20 mm trim window.
High-Force Positioning
Move large masses with up to 15708 N of thrust at 0.5 MPa while relying on the rear screw to set the precise deceleration point.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-20S the Right Cylinder?
Choose this 200 mm bore when your application requires maximum thrust, such as 21991 N at 0.7 MPa. If you need less force, stepping down to a 160 mm bore yields 10053 N at 0.5 MPa. The adjustable 170-190 mm window is ideal for product changeovers where exact end-stops vary. Because the stroke is under 300 mm, side-load is manageable, but long unsupported loads still need an external guide. This configuration uses PT tapered ports, a G3/4 thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR mounts.
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 SAIJ200AX190-20S FAQ
At 0.5 MPa, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N.
The rear adjuster allows you to trim the effective stroke by up to 20 mm, creating a usable travel window of 170-190 mm from the 190 mm nominal stroke. It functions as a stop to tune end positions, not as a lock to hold the load.
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