Airtac Adjustable Cylinder SAIJ32 SAIJ32AX30-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX30-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 30mm 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
- Stroke30 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX30-20
The AirTAC SAIJ32X30-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 30 mm nominal stroke by up to 20 mm for a usable travel window of 10-30 mm. It delivers 402 N of push force at 0.5 MPa and features a PT tapered port thread with a G1/8 connection. The piston rod is constructed from SUS420J2 stainless steel (code A), offering solid corrosion resistance for demanding environments.
Because the rear screw acts as a mechanical stop rather than a lock, it requires live air to maintain its position. This model shares the standard extruded aluminum barrel with dual sensor grooves, but it omits the FB, CA, CB, and CR mounting options, utilizing a reduced set of Basic, FA, LB, TC, FTC, TCM1, and TCM2 interfaces.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX30-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX30-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 30 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 SAIJ32AX30-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×30 | 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 SAIJ32AX30-20 Is Used
Precision End-Stop Tuning
Dial in the exact 10-30 mm travel distance during machine commissioning to perfect component seating without machining external spacers.
Product Size Changeover
Quickly adjust the cylinder's extended position on packaging lines when switching between different product formats.
Short-Stroke Clamping
Securely clamp delicate workpieces with a fine-tuned retraction point, using the 402 N force without over-traveling.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX30-20 the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning during commissioning without swapping cylinders or adding external stops. If your application requires less force, stepping down is not an option below 32 mm, but stepping up to a 40 mm bore yields 628 N of push force at 0.5 MPa. An adjustable stroke is preferred over a fixed SAI cylinder when machine setups involve frequent product-size changeovers.
When matching ISO 15552 replacements, confirm the 30 mm stroke, 20 mm adjustment range, PT port thread, and mounting style. Since this configuration lacks a magnet (-S), it cannot host CMSE reed or DMSE electronic sensors without changing the piston. For load-holding without live pressure, consider the SAIL or BSAI series instead of relying on the adjuster.
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 SAIJ32AX30-20 FAQ
At an operating pressure of 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw allows you to trim the effective stroke by up to 20 mm, creating a usable travel window of 10 to 30 mm. This screw functions as a travel stop and does not lock the load without continuous air pressure.
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Standard models usually ship in 3-4 days.
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