Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 180mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke180 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50
The AirTAC SAIJ32X180-50 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 180 mm stroke with an adjustment range of up to 50 mm, creating a 130-180 mm usable travel window for precise end-position tuning during commissioning. In this configuration, the piston rod uses SUS420J2 stainless steel (code A) for improved corrosion resistance, and ports feature PT tapered threads.
Delivering 402 N of push force and 345 N of pull force at 0.5 MPa, this compact 32 mm bore unit operates at speeds from 30 to 800 mm/s. The rear adjuster acts strictly as a travel stop for deceleration and positioning; it is not a lock. For applications requiring load-holding without live air pressure, consider the SAIL or BSAI series, or an external pilot-operated check valve.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 180 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×180 | 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 Adjustable Cylinder SAIJ32 SAIJ32AX180-50 Is Used
Machine Setup & Changeover
Dial in the exact retract position within the 130-180 mm window during product line changeovers without installing external physical stops or swapping cylinders.
Variable End-Stop Positioning
Ideal for assembly stations where the end-of-stroke position needs precise mechanical tuning to accommodate varying component heights or sensor targets.
Light-Duty Clamping
Provides 402 N of clamping thrust at 0.5 MPa, with the rear stopper allowing operators to set the exact clamping travel distance to prevent over-travel.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50 the Right Cylinder?
Choose this 32 mm bore model when your application requires 402 N of push force at 0.5 MPa and variable end-stops. If you need to step up to a higher force class, the 40 mm bore provides 628 N of push force at the same pressure. Conversely, if you require less force, you would step down to a smaller bore. The SAIJ32X180-50 is selected over a fixed-stroke SAI cylinder when machine setups require frequent product changeovers or fine-tuning of the retract position without swapping out the physical actuator.
When replacing an ISO 15552 cylinder, verify the 32 mm bore, 180 mm stroke, 50 mm adjustment range, PT port threads, and the SUS420J2 stainless steel rod material. The SAIJ mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets, omitting FB, CA, CB, and CR options. Because the stroke is under 300 mm, side-load concerns are minimal, but ensure the 12 mm rod and M10x1.25 thread are aligned to prevent premature seal wear.
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 Adjustable Cylinder SAIJ32 SAIJ32AX180-50 FAQ
The rear adjusting screw acts as an external stopper that shortens the effective stroke by up to 50 mm. For this model, it creates a usable travel window of 130 to 180 mm, allowing you to fine-tune the retract end-position at commissioning without changing the cylinder itself.
At an operating pressure of 0.5 MPa, the SAIJ32X180-50 provides a push force of 402 N and a pull force of 345 N. At the maximum pressure of 1.0 MPa, it can deliver up to 82 kgf of push force.
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