Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-75
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-75 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 SAIJ200AX190-75
The AirTAC SAIJ200X190-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits on-the-fly end-position tuning. Its 190 mm nominal stroke can be dialed back by up to 75 mm, providing a highly flexible 115-190 mm usable travel window for exact product changeovers without swapping hardware. As a large-bore actuator, it delivers massive thrust, generating 15708 N of push force and 15080 N of pull force at 0.5 MPa.
This unit is configured with a SUS420J2 stainless steel rod for enhanced corrosion resistance and uses PT tapered port threads (G3/4). The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE electronic switches if needed later. The rear adjustment screw acts purely as a travel stop to set deceleration limits, not as a load-holding lock.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-75 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-75 |
|---|---|
| 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 SAIJ200AX190-75
| 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 SAIJ200AX190-75 Is Used
Heavy Press Tuning
Dial in the exact 115-190 mm end-stop during heavy press commissioning to accommodate varying material thicknesses without adding external spacers.
Product Size Changeovers
Quickly adjust the retract position on packaging lines handling different large-format product sizes, utilizing the 75 mm trim range for rapid format resets.
Large Assembly Diverter
Act as a heavy-duty diverter on automated assembly lines, using the fine rear adjustment to perfectly position large components at the end of travel.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-75 the Right Cylinder?
Selecting this 200 mm bore actuator is ideal when your application requires the absolute maximum thrust class, pushing 21991 N at 0.7 MPa, and you need to trim the travel window down to 115 mm during commissioning. If you need less force, stepping down to a 160 mm bore yields 10053 N at 0.5 MPa, which may better suit medium-duty tasks. The SAIJ series uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and intentionally omits FB, CA, CB, and CR mounts.
Because the 190 mm stroke is substantial, the M36x2 rod thread and 40 mm rod diameter must bear significant side loads; always use an external guide rail to prevent rod binding. Remember that the rear stopper and air cushions do not hold the load without live air pressure. For true pneumatic locking without air, consider the SAIL or BSAI series instead.
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 SAIJ200AX190-75 FAQ
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from 190 mm down to a minimum of 115 mm. This provides a 75 mm adjustable window for fine-tuning the end position at commissioning, but it does not lock the load without live air pressure.
At a 0.5 MPa operating pressure, the SAIJ200X190-75 provides 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N, with a maximum rated thrust of 3204 kgf at 1.0 MPa.
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