Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 165mm 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
- Stroke165 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-50
The AirTAC SAIJ32X165-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 165 mm stroke that can be fine-tuned down by up to 50 mm, yielding a usable travel window of 115 to 165 mm. Delivering 402 N of push force at 0.5 MPa, it suits light-duty positioning tasks requiring exact end-stop control.
This unit is configured with a SUS304 stainless steel rod for superior corrosion resistance and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for CMSE or DMSE switches, though this specific SKU is supplied without a magnet. The rear adjuster acts purely as a travel stop and does not lock the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 165 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 SAIJ32BX165-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×165 | 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 SAIJ32BX165-50 Is Used
Variable End-Stop Positioning
Dial in the retract stroke from 115 to 165 mm to accommodate varying material lengths without changing out the physical cylinder.
Machine Changeover Setup
Quickly reset the rear stopper during product line transitions to achieve precise end-of-stroke tuning at the commissioning stage.
Light-Duty Clamping
Utilize the 402 N push force at 0.5 MPa for holding delicate components, relying on the SUS304 rod in mildly corrosive environments.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-50 the Right Cylinder?
Choose this 32 mm bore when an application requires precise end-position tuning during commissioning or product changeover, avoiding the need to swap cylinders or add external stops. If your setup needs slightly less thrust, stepping down is not an option as 32 mm is the smallest standard SAIJ bore; stepping up to a 40 mm bore yields 628 N push at 0.5 MPa. Because the stroke is 165 mm, side-load risks are manageable, but an external guide remains recommended for optimal seal longevity.
The rear adjuster screw sets the retract end position but does not function as a lock or brake. If the machinery requires position holding without continuous air pressure, use an SAIL pneumatic lock cylinder, a BSAI clamp-lock model, or an external pilot-operated check valve. For a direct ISO 15552 replacement, match the 32 mm bore, 165 mm stroke, 50 mm adjustment, PT ports, SUS304 rod, and the SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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 SAIJ32BX165-50 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 82 kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 50 mm. This creates a usable travel window of 115 to 165 mm, enabling fine-tuning of the end position without external stops.
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