Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-40S 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 SAIJ32BX165-40S
The AirTAC SAIJ32X165-40-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 125 to 165 mm, allowing you to dial back the stroke by up to 40 mm during commissioning. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The extruded aluminum barrel includes sensor grooves on both sides for straightforward switch placement.
This unit is configured with a SUS304 stainless steel rod for corrosion resistance and a -S magnet for position sensing. It supports AirTAC CMSE reed and DMSE solid-state switches. The rear adjuster acts purely as a mechanical stop to fine-tune the end position; it does not lock or hold the load without live air pressure. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-40S |
|---|---|
| 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 SAIJ32BX165-40S
| 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 SAIJ32BX165-40S Is Used
Stroke Tuning at Commissioning
Dial in the exact end-position within a 125-165 mm window without adding external stops or swapping cylinders during machine setup.
Product Changeover
Quickly adjust the retract distance on packaging lines when handling different product sizes, saving retooling time.
Corrosive Environment Testing
The SUS304 stainless steel rod withstands moisture and mild chemicals in testing labs while providing precise position feedback.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-40S the Right Cylinder?
Choose this 32 mm bore if your application requires 402 N of thrust at 0.5 MPa; stepping down to a 25 mm bore drops thrust significantly, while moving up to a 40 mm bore yields 628 N. An adjustable stroke is ideal when you need a variable end-stop for product changeovers instead of swapping a fixed-stroke SAI cylinder. For load-holding without continuous air pressure, consider an external rod lock or the SAIL series, as the SAIJ adjuster is not a brake.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 165 mm nominal stroke, 40 mm adjustment range, PT tapered port thread, and the -S magnet requirement. Because the nominal stroke is 165 mm, side-loading is minimal, but always ensure the M10x1.25 rod thread is aligned with your load 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 SAIJ32BX165-40S FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It operates at speeds between 30 and 800 mm/s, driven by a G1/8 port.
The rear adjusting screw acts as a mechanical stop, allowing you to shorten the effective stroke from 165 mm down to 125 mm. It decelerates the travel end but does not hold the load without live air pressure.
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