Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20 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 SAIJ32AX185-20
The AirTAC SAIJ32X185-20 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 165-185 mm, allowing you to dial back the 185 mm nominal stroke by up to 20 mm during commissioning. Delivering 402 N of push force at 0.5 MPa, it suits lighter-duty tasks. The extruded aluminum barrel includes sensor grooves on both sides for straightforward positioning feedback.
This model features a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance over standard carbon steel. It uses PT tapered port threads (G1/8) and operates at speeds of 30-800 mm/s. The rear adjuster acts purely as a mechanical stop to set the end position, so it does not hold the load dynamically without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20 |
|---|---|
| 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 SAIJ32AX185-20
| 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 SAIJ32AX185-20 Is Used
End-Position Tuning
Dial in the exact 165-185 mm travel distance during machine commissioning to perfect positioning without adding external mechanical stops.
Product Changeover
Quickly adjust the retract stop on packaging lines when handling slightly different package sizes that require varied stroke endings.
Light-Duty Clamping
Apply 402 N of precise clamping force at 0.5 MPa, fine-tuning the travel to accommodate varying part thicknesses on the fly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-20 the Right Cylinder?
Choose this 32 mm bore when an application requires precise end-position tuning without swapping components, delivering 402 N push and 345 N pull at 0.5 MPa. If your process needs greater thrust, stepping up to a 40 mm bore yields 628 N push force. The adjustable 165-185 mm travel window is perfect for product changeovers on a line, replacing fixed-stroke SAI cylinders when exact end-stops vary.
For ISO 15552 replacement matching, verify the 185 mm stroke, 20 mm adjustment range, G1/8 PT ports, and the SUS420J2 rod material. Note that SAIJ supports a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets. Because the rear adjuster is a travel stop and not a lock, use an SAIL or BSAI cylinder if the load must be held without continuous air pressure.
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 SAIJ32AX185-20 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It operates at speeds ranging from 30 to 800 mm/s.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 185 mm nominal stroke by up to 20 mm, creating a usable 165-185 mm travel window. It sets the end position but does not lock or hold the load without live air pressure.
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