Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 65mm 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
- Stroke65 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40
The AirTAC SAIJ32X65-40 is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, allowing you to dial back the nominal 65 mm stroke by up to 40 mm. This yields a usable travel window of 25-65 mm, providing exact end-position tuning at commissioning without swapping the cylinder or adding external stops. It delivers 402 N of push force at 0.5 MPa and 724 N at 0.9 MPa.
This model features a SUS304 stainless steel rod for corrosion resistance and uses a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides. Remember the rear adjuster acts as a travel stop, not a lock; it cannot hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 65 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 SAIJ32BX65-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×65 | 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 SAIJ32BX65-40 Is Used
Variable End Stops
Dial in the exact retract position from 25 to 65 mm during machine commissioning to accommodate varying product sizes without external stopper blocks.
Machine Changeover
Quickly reconfigure the cylinder's effective stroke on the fly during product line changeovers, saving setup time and eliminating the need to swap cylinders.
Positioning Accuracy
Leverage the rear screw adjustment for precise end-position tuning in light-duty assembly tasks, utilizing the 724 N force available at 0.9 MPa.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40 the Right Cylinder?
Choose this 32 mm bore when you need precise variable end-stops for product changeovers, stepping up to a 40 mm bore (628 N at 0.5 MPa) if your thrust requirements increase. The adjustable stroke is preferred over a fixed SAI cylinder when machine setup requires fine-tuning the retract position. To match this ISO 15552 footprint, specify the 32 bore, 65 stroke, 40 adjustment, PT port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting.
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 SAIJ32BX65-40 FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 40 mm from the nominal 65 mm, creating a usable travel window of 25-65 mm for fine-tuning at commissioning.
It provides 402 N of push force and 345 N of pull force at 0.5 MPa. At 0.9 MPa, the push force increases to 724 N.
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