Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 260mm 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
- Stroke260 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30
The AirTAC SAIJ200X260-30 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications requiring exact end-position tuning. It delivers 15708N of thrust at 0.5 MPa and features a 260mm nominal stroke that can be dialed back by up to 30mm, providing a usable travel window of 230-260mm. This built-in rear adjuster allows you to fine-tune the retract position at commissioning without swapping the cylinder or adding external stops.
Equipped with a robust 40mm piston rod and M36x2 rod thread, this unit handles significant side loads, though long unsupported strokes still require an external guide. The barrel is extruded aluminum with sensor grooves on both sides, and the rod is constructed from SUS420J2 stainless steel (code A) for enhanced corrosion resistance. It operates at speeds of 30-500mm/s and uses PT tapered G3/4 ports.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 260 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 SAIJ200AX260-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×260 | 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 SAIJ200AX260-30 Is Used
Heavy Machinery Setup
Dial in the exact 230-260mm retract position during heavy machinery commissioning without machining new stop blocks.
Product Size Changeover
Quickly adjust the stroke window on packaging lines to accommodate different pallet or product sizes on the fly.
Assembly Line Tuning
Fine-tune the end-of-stroke deceleration point on assembly stations to prevent impact damage to delicate components.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX260-30 the Right Cylinder?
Select this 200mm bore cylinder when your application demands substantial force, such as 15708N push at 0.5 MPa, and requires variable end-stops for product-size changeovers. If your setup only requires 10053N of push force at 0.5 MPa, stepping down to a 160mm bore saves space and air consumption. Choose the SAIJ adjustable-stroke format over a fixed SAI cylinder when you need on-the-fly commissioning adjustments rather than a rigid final position.
For ISO 15552 replacement matching, ensure you specify the 200mm bore, 260mm stroke, 30mm adjustment, PT G3/4 port, and SUS420J2 rod material. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding without pressure, consider an AirTAC SAIL or BSAI cylinder. Since the stroke is under 300mm, side-load risks are moderate but manageable with proper alignment.
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 SAIJ200AX260-30 FAQ
At 0.5 MPa operating pressure, this 200mm bore cylinder provides a push force of 15708N and a pull force of 15080N. At 0.7 MPa, the push force increases to 21991N.
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the 260mm nominal stroke by up to 30mm. This creates a usable travel window of 230-260mm for fine-tuning the end position without moving the cylinder.
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