Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 135mm 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
- Stroke135 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-30S
The AirTAC SAIJ32X135-30-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 402N push force at 0.5 MPa and allows you to dial back the 135mm nominal stroke by up to 30mm, creating a precise 105-135mm usable travel window for commissioning without external stops.
This variant includes a -S magnet for CMSE reed and DMSE electronic sensors, and uses a SUS304 stainless steel rod for corrosion resistance. The extruded aluminum barrel keeps the ISO 15552 mounting footprint, and the rear screw acts purely as a travel stop, not a lock, so live air is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 135 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 SAIJ32BX135-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×135 | 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 SAIJ32BX135-30S Is Used
Machine Changeover
Dial in the 105-135mm travel window during product size changes to set exact retract positions without reinstalling fixed stops.
End-Position Tuning
Fine-tune the final retract point at commissioning to absorb mechanical tolerances and achieve precise 32mm bore positioning.
Assembly Stations
Use the SUS304 rod and adjustable stop to vary the pressing depth of small components on the fly without adding external hardware.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX135-30S the Right Cylinder?
Choose this 32mm bore when you need 402N push force at 0.5 MPa and a variable end-stop for product changeovers. If your application requires less force, the smaller 32mm bore is the baseline here; stepping up to a 40mm bore yields 628N push force at 0.5 MPa. Select this adjustable SAIJ over a fixed SAI when you need to fine-tune the end-of-stroke position on the machine without swapping cylinders. The PT tapered port thread is standard for this bore.
To replace an ISO 15552 cylinder, match the 32mm bore, 135mm stroke, 30mm adjustment, PT port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For load-holding without live air pressure, use an external rod lock or pilot-operated check valve, or look to the SAIL or BSAI series instead.
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 SAIJ32BX135-30S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 30mm. This creates a usable travel window of 105-135mm, allowing you to fine-tune the retract end-position at commissioning. The adjuster acts as a mechanical stop and does not lock the load without live air.
At 0.5 MPa operating pressure, this 32mm bore cylinder provides a push force of 402N and a pull force of 345N. At 0.7 MPa, the push force increases to 563N.
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