Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 135mm 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
- Stroke135 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-40
The AirTAC SAIJ200X135-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down to a 95-135 mm window. Delivering 15708 N of push force at 0.5 MPa, this 200 mm bore actuator handles heavy-duty positioning. The extruded aluminum barrel includes sensor grooves on both sides, and the SUS420J2 stainless steel rod provides robust corrosion resistance for demanding environments.
The integrated rear stopper lets you dial in the exact end position during commissioning without adding external stops or swapping the cylinder. It uses a PT tapered port and supports speeds of 30-500 mm/s. Remember that the adjuster acts as a travel stop and relies on the variable air cushions for deceleration; it does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 135 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 SAIJ200AX135-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×135 | 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 SAIJ200AX135-40 Is Used
Heavy Press Tuning
Dial in the exact 95-135 mm compression distance during heavy press commissioning without machining new spacers.
Product Changeovers
Quickly adjust the end-stop position on automated lines when switching between product sizes or formats.
Heavy-Duty Alignment
Position large heavy components precisely, using the 15708 N thrust to push parts into alignment.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-40 the Right Cylinder?
Choose this 200 mm bore unit when your application requires maximum thrust, as it yields 15708 N at 0.5 MPa. If you need less force, stepping down to a 160 mm bore provides 10053 N, while moving up is impossible within this standard range. The 40 mm adjustment range is perfect for machinery requiring variable end-stops during product changeovers, replacing the need for fixed-stroke SAI cylinders when setup flexibility is paramount. Because the stroke is 135 mm, external guiding is recommended to manage side loads on the 40 mm rod.
To match this ISO 15552 cylinder for a replacement, specify a 200 mm bore, 135 mm stroke, 40 mm adjustment range, PT G3/4 port, and no magnet. The available mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For applications requiring true load-holding without continuous air pressure, consider the SAIL or BSAI series instead of relying on the rear adjuster.
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 SAIJ200AX135-40 FAQ
At 0.5 MPa it provides 15708 N of push force and 15080 N of pull force. At the maximum operating pressure of 1.0 MPa, the push force reaches 3204 kgf. The operational speed range is 30-500 mm/s.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 135 mm nominal stroke by up to 40 mm, creating a usable travel window of 95-135 mm. It sets the end position and relies on the air cushion for deceleration, but it does not lock or hold the load without live air pressure.
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