Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 185mm 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
- Stroke185 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20S
The AirTAC SAIJ32X185-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 165-185 mm. Delivering 402 N of push force at 0.5 MPa, it suits light-duty positioning tasks. The integrated -S magnet supports position detection via CMSE reed or DMSE electronic sensors.
Unlike a fixed-stroke SAI, this variant lets you dial in the retract end-position at commissioning without adding external stops. The SUS420J2 stainless rod (option A) provides corrosion resistance, while the extruded aluminum barrel features sensor grooves on both sides. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 185 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 SAIJ32AX185-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×185 | 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 SAIJ32AX185-20S Is Used
End-Position Tuning
Fine-tune the 165-185 mm travel window during commissioning to dial in exact retract distances without swapping cylinders.
Product Changeover
Quickly adapt the stroke end-stop on packaging lines when switching between different product sizes or formats.
Light-Duty Positioning
Leverage 402 N of push force for precise, light-load component placement and handling tasks in automated machinery.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20S the Right Cylinder?
Choose this 32 mm bore when 402 N (0.5 MPa) is sufficient; step up to a 40 mm bore if you need 628 N. Select the SAIJ32X185-20-S when a 165-185 mm adjustable window is required for machine setup or product changeover. The PT tapered port and G1/8 thread size match standard ISO 15552 plumbing.
For load-holding without live pressure, use a SAIL or BSAI cylinder instead, as the rear adjuster is only a stop. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Since the 185 mm stroke is under 300 mm, side-load risks are minimal, but external guides are recommended for heavy lateral loads.
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 SAIJ32AX185-20S FAQ
The rear adjuster screw allows you to shorten the nominal 185 mm stroke by up to 20 mm, creating a 165-185 mm travel window. It acts as a mechanical stop and does not lock the load without live air.
It provides 402 N push and 345 N pull force at 0.5 MPa. The -S option includes a magnet for CMSE reed or DMSE electronic sensors mounted in the dual-side barrel grooves.
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