Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 145mm 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
- Stroke145 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-30
The AirTAC SAIJ200X145-30 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty tasks, delivering 15708N of push force at 0.5MPa. It features an external rear adjusting screw that allows you to fine-tune the effective travel window down from 145mm to a minimum of 115mm. This 30mm adjustment range lets you dial in exact end positions at commissioning without adding external stops.
Built for demanding environments, this unit utilizes a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides, and fluid is supplied via PT tapered G3/4 ports. The rear adjuster acts purely as a mechanical stop to set the retract position; it does not lock or hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 145 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 SAIJ200AX145-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×145 | 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 SAIJ200AX145-30 Is Used
Heavy Press Tuning
Dial in the exact 115-145mm contact position for a large assembly press during setup, absorbing heavy impact forces with the 40mm cushion.
Product Size Changeover
Quickly adapt the retract end-stop on a packaging line when switching between different large product sizes without swapping the cylinder.
High-Force End Stop
Use the 15708N push force to securely form or stamp parts, relying on the rear screw to set the precise final position.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-30 the Right Cylinder?
Select this 200mm bore cylinder when your application requires substantial pull force (15080N at 0.5MPa) alongside precise end-position tuning. If you need to step down the force, the 160mm bore offers 10053N push at 0.5MPa, whereas stepping up is not an option as this is the largest standard SAIJ size. Choose this adjustable-stroke model over a fixed SAI when you anticipate product changeovers requiring varied end-stops. To match this ISO 15552 replacement exactly, specify: 200mm bore, 145mm stroke, 30mm adjustment, PT G3/4 port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, no magnet, and SUS420J2 rod.
Because the stroke is 145mm, side-loading is less of a concern than with longer strokes, but the heavy 40mm rod and M36x2 thread handle significant offset loads. If your process requires holding the load without continuous air pressure, this cylinder is not a lock; you must use an external rod lock, a pilot-operated check valve, or switch to an AirTAC SAIL or BSAI model. The operating speed is 30-500mm/s.
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 SAIJ200AX145-30 FAQ
At 0.5MPa operating pressure, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. It can deliver a maximum of 3204 kgf at 1.0MPa.
The rear adjusting screw acts as a mechanical stop that lets you shorten the nominal 145mm stroke by up to 30mm, creating a usable travel window of 115-145mm. It sets the end position but does not lock the load without live air pressure.
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