Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 240mm 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
- Stroke240 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-75S
The AirTAC SAIJ200X240-75-S is a double-acting, single-rod ISO 15552 profile cylinder engineered for heavy-duty applications. It features a robust 200 mm bore generating 15708 N of push force at 0.5 MPa and a 240 mm nominal stroke. Equipped with a rear adjusting screw, this model provides a usable travel window of 165-240 mm, allowing you to dial back the extension by up to 75 mm during commissioning without adding external stops.
This specific SKU includes an SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and ships with a magnet (-S) for solid-state DMSE or reed CMSE sensor integration along the dual-sided extruded aluminum barrel grooves. It utilizes PT tapered G3/4 ports and achieves a standard operating speed of 30-500 mm/s, supported by 50 mm variable air cushions at both ends to manage high kinetic energy.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 240 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 SAIJ200AX240-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×240 | 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 SAIJ200AX240-75S Is Used
Heavy Pressing Operations
Delivers up to 28274 N of push force at 0.9 MPa for forming and stamping tasks, with the 75 mm rear adjuster allowing precise tuning of the bottom dead center.
Product Size Changeovers
Ideal for automated lines processing large varied parts, utilizing the 165-240 mm adjustable travel window to rapidly reconfigure end stops without swapping hardware.
Heavy-Duty Positioning
Moves substantial loads along a conveyor or lift station, relying on the 40 mm rod and M36x2 thread to handle high mechanical stress during transfer.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX240-75S the Right Cylinder?
Select this 200 mm bore cylinder when an application demands extreme thrust, such as 21991 N push at 0.7 MPa, alongside precise end-position tuning. If your setup requires less force, stepping down to a 160 mm bore yields 10053 N at 0.5 MPa, but the SAIJ200X240-75-S is necessary for heavy pressing or clamping. The 75 mm adjustment window is ideal for product-size changeovers on a line, functioning as a travel stop rather than a load lock; for holding loads without live air pressure, consider an AirTAC SAIL or BSAI series cylinder.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 240 mm stroke, 75 mm adjustment, PT G3/4 port, and -S magnet. Because the 240 mm stroke exceeds 300 mm in total extended length, ensure adequate external guiding to prevent excessive side-loading on the 40 mm rod. This profile cylinder supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, deliberately omitting FB, CA, CB, and CR options.
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 SAIJ200AX240-75S FAQ
At 0.5 MPa, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At its maximum operating pressure of 1.0 MPa, it achieves a peak push force of 3204 kgf.
The rear adjuster acts as a mechanical stop that trims the effective extension back from the 240 mm nominal stroke, creating a 165-240 mm usable travel window. It only sets the end position and does not lock the load without continuous air pressure.
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