Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 90mm 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
- Stroke90 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75S
The AirTAC SAIJ200X90-75-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications requiring exact end-position tuning. It features a robust 200 mm bore generating 15708 N of push force at 0.5 MPa, paired with a nominal 90 mm stroke that can be precisely dialed back by up to 75 mm. This yields a highly versatile usable travel window of 15 to 90 mm, allowing operators to fine-tune retract distances on the fly without swapping out hardware.
Equipped with a SUS420J2 stainless steel rod (code A) for superior corrosion resistance, this model includes a magnet (-S) for direct compatibility with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel integrates sensor grooves on both sides, and fluid control is managed via a G3/4 PT tapered port. Adjustment is achieved mechanically at the rear; the external stopper simply trims the travel end, while the built-in air cushions handle deceleration.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 90 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 SAIJ200AX90-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×90 | 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 SAIJ200AX90-75S Is Used
Heavy Press Tuning
Dial in the exact 15-90 mm pressing depth for heavy industrial stamping or forming operations without changing the cylinder.
Product Changeovers
Quickly adjust the retract end-stop by up to 75 mm to accommodate varying part heights on a high-force assembly line.
Variable End Stops
Use the rear mechanical stopper to set precise retraction limits for heavy material handling, ensuring repeatable machine setup.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX90-75S the Right Cylinder?
Selecting this 200 mm bore cylinder is appropriate when your process demands substantial thrust, such as 15708 N push or 15080 N pull at 0.5 MPa. If your load requirements are lower, stepping down to a 160 mm bore yields 10053 N of push force, which may better suit medium-heavy assemblies without oversizing. The SAIJ200X90-75-S is specifically chosen over a fixed-stroke SAI cylinder when a machine handles multiple product sizes, as the 75 mm adjustment range allows rapid changeovers via the rear screw rather than reinstalling the entire actuator.
Because the nominal stroke is 90 mm, an external guide is not strictly mandated for side-load support, though the 40 mm rod and M36x2 thread provide excellent rigidity. Remember that the rear adjuster acts only as a travel stop, not a load lock; this plain SAIJ cannot hold position without live air. For pneumatic load-holding, consider an AirTAC SAIL or BSAI cylinder. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets.
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 SAIJ200AX90-75S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa pressure, it delivers a maximum push force of 3204 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 90 mm nominal stroke by up to 75 mm. This creates a usable travel window of 15 to 90 mm, enabling fine-tuning of the end position at commissioning without adding external stops.
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