Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-75S 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 SAIJ200AX135-75S
The AirTAC SAIJ200X135-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to dial back the nominal 135 mm stroke by up to 75 mm, creating a precise 60-135 mm usable travel window. It delivers immense thrust, generating 15708 N of push force and 15080 N of pull force at 0.5 MPa. The extruded aluminum barrel includes sensor grooves on both sides to accommodate position feedback.
This specific SKU is configured with a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and PT tapered port threads. The rear adjuster acts purely as a mechanical stop to fine-tune the end position during commissioning; it does not lock the load. For applications requiring position holding without live air pressure, an external pilot-operated check valve or a related SAIL lock cylinder is required.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-75S |
|---|---|
| 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 SAIJ200AX135-75S
| 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 SAIJ200AX135-75S Is Used
Heavy Press Tuning
Fine-tune the exact bottoming position of a heavy press during initial commissioning, trimming the stroke within the 60-135 mm window to accommodate different material thicknesses without mechanical rework.
Product Changeover
Rapidly adjust the retract end-stop on a packaging line when switching to a new product size, using the 75 mm adjustment range to set new positions quickly.
High-Force Positioning
Drive heavy industrial doors or large machine guards that require over 15000 N of push force at 0.5 MPa, while retaining the ability to tweak the closed position.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX135-75S the Right Cylinder?
Choose this 200 mm bore cylinder when your application requires extreme force up to 15708 N at 0.5 MPa, but you need the flexibility to trim the retract end-position by up to 75 mm without swapping the cylinder or adding external stops. If your setup only requires a fixed 135 mm stroke without the need for product changeover adjustments, the standard SAI fixed-stroke cylinder is a simpler alternative. Because the stroke is 135 mm, an external guide rail is recommended to handle any side-load and prevent excessive wear on the M36x2 rod thread.
This model is dimensionally interchangeable per ISO 15552 mounting-interface dimensions. To match this exact configuration, specify: 200 mm bore, 135 mm stroke, 75 mm adjustment range, PT port thread, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting options, and a magnet for CMSE or DMSE sensors. The -S magnet works with AirTAC CMSE reed switches and DMSE solid-state electronic sensors.
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 SAIJ200AX135-75S FAQ
At an operating pressure of 0.5 MPa, this 200 mm bore cylinder provides a push force of 15708 N and a pull force of 15080 N. At the maximum operating pressure of 1.0 MPa, it can deliver up to 3204 kgf.
The rear adjuster screw allows you to mechanically shorten the effective stroke from the nominal 135 mm down to as little as 60 mm. This creates a 60-135 mm adjustable travel window for fine-tuning the end position at commissioning, but it functions only as a stop and does not lock the load without live air.
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