Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 115mm 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
- Stroke115 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-30S
The AirTAC SAIJ32X115-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 115 mm nominal stroke that can be fine-tuned backward by up to 30 mm, yielding an 85-115 mm usable travel window. This built-in adjustability allows for precise end-position calibration during machine commissioning or product changeovers without swapping out the entire actuator. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This model features a standard carbon steel piston rod and a PT tapered port thread. It includes a built-in magnet for position sensing, functioning seamlessly with AirTAC CMSE reed and DMSE electronic solid-state switches. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch mounting. It uses variable air cushions at both ends to decelerate the load, but note that the rear adjuster acts only as a travel stop, not a load-holding lock.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 115 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 SAIJ32X115-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×115 | 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 SAIJ32X115-30S Is Used
Machine Commissioning
Dial in the exact 85-115 mm end position during initial setup without machining external stopper blocks or changing the cylinder.
Product Changeover
Quickly adjust the retract stop on a packaging line when switching to a different product size that requires a slightly shorter travel distance.
Fixture Alignment
Fine-tune the clamping depth on a machining fixture by trimming up to 30 mm off the nominal stroke to avoid over-travel.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-30S the Right Cylinder?
Choose this 32 mm bore cylinder when an application requires exact end-stop tuning within an 85-115 mm travel range. If your process demands higher thrust, stepping up to the 40 mm bore increases push force to 628 N at 0.5 MPa. Conversely, if your force needs are lower, you can confirm smaller bore options from the datasheet. The SAIJ32X115-30-S is dimensionally interchangeable with ISO 15552 cylinders, utilizing a PT port and supporting mountings from the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR).
Because the stroke is 115 mm, side-load risks are moderate, but always ensure proper external guiding for heavy loads. Remember that this plain SAIJ cylinder does not hold its position or load without live air pressure. For true load-holding without continuous air supply, consider an AirTAC SAIL (air-released lock) or BSAI (clamp-lock) cylinder 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 SAIJ32X115-30S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the 115 mm nominal stroke down to as little as 85 mm. This provides an 85-115 mm adjustable window for fine-tuning the retract end position at commissioning.
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