Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75
The AirTAC SAIJ200X230-75 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust up to 15708N at 0.5MPa. It features a SUS420J2 stainless steel rod and PT tapered port threads. The built-in adjustment mechanism allows you to dial back the 230mm nominal stroke by up to 75mm, creating a precise 155-230mm usable travel window for exact positioning.
This heavy-duty actuator utilizes an extruded aluminum barrel with sensor grooves on both sides, strictly avoiding tie-rod construction. The rear stopper enables fine end-position tuning at commissioning without swapping the cylinder or adding external stops. Remember that this adjuster acts purely as a travel stop and provides no load-holding capability without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 230 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 SAIJ200AX230-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×230 | 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 SAIJ200AX230-75 Is Used
Heavy Press Tuning
Fine-tune the exact bottom-out position of a 15708N press without machining new spacers.
Product Changeover
Rapidly adjust the 155-230mm travel window to accommodate different heights of incoming workpieces.
Machine Commissioning
Dial in the precise end-stop during setup using the rear screw, avoiding complete cylinder replacement.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-75 the Right Cylinder?
Selecting this 200mm bore model provides a maximum push force of 3204kgf at 1.0MPa, making it ideal for heavy pressing and forming tasks. If your application requires less force, stepping down to a 160mm bore yields 10053N at 0.5MPa, which might better suit mid-range loads. The 75mm adjustment range is particularly useful for accommodating multiple product sizes on a single production line without mechanical rebuilds.
Because the 230mm stroke exceeds 300mm? No, but at this massive 200mm bore, the 40mm rod diameter and M36x2 thread handle substantial side loads, though any long unsupported travel still necessitates an external guide. To replace an ISO 15552 cylinder, match the 200mm bore, 230mm stroke, PT port, and mounting choice from the SAIJ subset (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that the SAIJ set deliberately omits FB, CA, CB, and CR mounts. For true load-holding without continuous 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 SAIJ200AX230-75 FAQ
At 0.5MPa operating pressure, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. At its maximum 1.0MPa operating pressure, it delivers a peak push force of 3204kgf.
The rear adjuster acts as a mechanical stop that lets you shorten the effective travel from the 230mm nominal stroke down to as little as 155mm. This creates a 155-230mm usable window for fine-tuning end positions, but it does not lock or hold the load without live air pressure.
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