Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20S 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 SAIJ32BX65-20S
The AirTAC SAIJ32X65-20-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 45 to 65 mm, allowing you to dial back the nominal stroke by up to 20 mm during commissioning without adding external stops. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This adjustable-stroke model uses a PT tapered port (G1/8) and includes a magnet for position sensing. The standard extruded aluminum barrel features sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic solid-state switches. The piston rod is made of SUS304 stainless steel for corrosion resistance, and the mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20S |
|---|---|
| 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 SAIJ32BX65-20S
| 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 SAIJ32BX65-20S Is Used
Machine Setup Tuning
Dial in the exact 45 to 65 mm travel end during initial commissioning to perfect the stroke without swapping cylinders or adding external stoppers.
Product Changeover
Quickly shorten the effective stroke by up to 20 mm on packaging lines when handling a slightly smaller product size.
End-Position Trimming
Use the rear adjuster to fine-tune the retract position, ensuring precise mechanical alignment without reprogramming the pneumatic controls.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-20S the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires fine end-position tuning at setup or during product changeover. If you need more thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. Unlike a fixed-stroke SAI cylinder, the SAIJ rear screw lets you adjust the travel end directly. The adjuster acts only as a travel stop and does not hold the load without live air; for fail-safe load holding, consider the SAIL or BSAI series. To match this ISO 15552 replacement, specify a 32 mm bore, 65 mm stroke, 20 mm adjustment, PT port, and the -S magnet option.
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 SAIJ32BX65-20S FAQ
At 0.5 MPa, 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 operational speed range is 30 to 800 mm/s.
The rear adjuster screw allows you to shorten the effective travel from the 65 mm nominal stroke down to 45 mm, creating a 45 to 65 mm usable window. This stopper only sets the end position; it does not lock or hold the load without continuous air pressure.
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