Airtac Adjustable Cylinder SAIJ32 SAIJ32BX160-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX160-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 160mm 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
- Stroke160 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX160-20S
The AirTAC SAIJ32X160-20-S is a double-acting ISO 15552 profile cylinder with a 32mm bore and a 160mm nominal stroke. An external rear adjusting screw allows you to trim the effective stroke by up to 20mm, creating a precise 140-160mm usable travel window for fine end-position tuning at commissioning. In the 32mm bore class, it delivers 402N of push force and 345N of pull force at 0.5 MPa.
This variant features a SUS304 stainless steel rod (option B) for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and because this is an -S model, it includes a magnet for use with AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts purely as a mechanical stop to set deceleration and travel endpoints, meaning it does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX160-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX160-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 160 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 SAIJ32BX160-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×160 | 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 SAIJ32BX160-20S Is Used
Commissioning End-Stop Tuning
Dial in the exact 140-160mm travel distance during machine setup without physically swapping cylinders or shimming external stops.
Product Size Changeover
Quickly adjust the retract end-position on a packaging line when switching to a different product size or format.
Light Force Positioning
Leverage the 402N push force for precise, low-impact positioning of smaller components and fixtures in clean environments.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX160-20S the Right Cylinder?
Choose this 32mm bore adjustable-stroke cylinder when your application requires exact end-position tuning or frequent product changeovers without swapping the cylinder or adding external stops. If you need higher thrust, stepping up to the 40mm bore yields 628N of push force at 0.5 MPa, but for lighter duty, the 32mm provides a compact footprint. For load-holding without continuous air pressure, note that this adjuster is not a lock; you would need to look at the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 32mm bore, 160mm stroke, 20mm adjustment range, PT G1/8 port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the 12mm rod and M10x1.25 thread carry limited side load, and the stroke is under 300mm, ensure your load is guided externally if side forces are present.
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 SAIJ32BX160-20S FAQ
The rear adjuster screw lets you shorten the nominal 160mm stroke by up to 20mm, providing a usable travel window of 140-160mm. It acts as a mechanical stop to fine-tune the endpoint; it is not a lock and will not hold the load without live air pressure.
At 0.5 MPa it provides 402N of push force and 345N of pull force. Because it is an -S model with a magnet, it works directly with AirTAC CMSE reed switches and DMSE electronic solid-state sensors in the dual-side barrel grooves.
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