Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40S 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 SAIJ32BX65-40S
The AirTAC SAIJ32X65-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window between 25 and 65 mm without adding external stops. Equipped with a SUS304 stainless steel rod, it provides 563 N of push force and 345 N of pull force at 0.7 MPa. The PT tapered ports ensure a tight pneumatic seal during high-speed operations.
This 32 mm bore variant includes a built-in magnet for position sensing with CMSE reed or DMSE solid-state switches. It utilizes a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options. The rear adjuster acts purely as a travel stop for end-position tuning, not a lock, meaning live air is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40S |
|---|---|
| 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 SAIJ32BX65-40S
| 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 SAIJ32BX65-40S Is Used
Machine Setup Calibration
Dial in the exact 25 to 65 mm travel window during initial machine commissioning to perfectly align picking heads without swapping hardware.
Product Size Changeover
Quickly shorten the effective stroke on a packaging line when switching to a smaller product size, using the 40 mm rear adjustment range.
Variable End-Stop Positioning
Establish a precise, repeatable retract end-stop for a light-load assembly press, utilizing the 345 N pull force at 0.7 MPa.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-40S the Right Cylinder?
Choose this 32 mm bore model when an application requires precise end-position tuning during commissioning or product changeover, offering a 25-65 mm adjustable travel window. If your setup needs higher force, stepping up to the 40 mm bore yields 879 N of push force at 0.7 MPa. Conversely, if lower force is acceptable, the 32 mm provides a compact footprint.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 65 mm nominal stroke, 40 mm adjustment range, PT port threads, and the -S magnet requirement. Remember that the rear adjuster and air cushions only set the travel end and decelerate the piston; they do not hold the load without live air. For true load-holding without continuous pressure, consider 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 SAIJ32BX65-40S FAQ
At 0.7 MPa operating pressure, this 32 mm bore cylinder provides a push force of 563 N and a pull force of 345 N. It can deliver a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw allows you to mechanically shorten the 65 mm nominal stroke by up to 40 mm, creating a usable travel window of 25 to 65 mm. This stopper only sets the end position and does not lock the load without live air.
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