Airtac Adjustable Cylinder SAIJ32 SAIJ32BX650-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX650-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 650mm 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
- Stroke650 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX650-100
The AirTAC SAIJ32X650-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 100 mm, creating a precise 550-650 mm usable window. This bore delivers 402 N of push force at 0.5 MPa and uses a PT G1/8 port.
Equipped with a SUS304 stainless steel rod (code B) for superior corrosion resistance, this unit omits the FB, CA, CB, and CR mounting options, utilizing a reduced set of Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets. The rear adjuster acts purely as a travel stop for end-position tuning and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX650-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX650-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 650 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 SAIJ32BX650-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×650 | 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 SAIJ32BX650-100 Is Used
Machine Changeover
Dial in the 550-650 mm travel window during format changes on packaging lines, using the rear screw to set exact retract distances without changing hardware.
Variable End Stops
Adjust the stroke on the fly for sorting diverter arms that handle different package sizes, ensuring precise positioning at the end of travel.
Setup Calibration
Fine-tune the final resting position of a tooling head during initial commissioning, absorbing mechanical tolerances by trimming up to 100 mm off the nominal stroke.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX650-100 the Right Cylinder?
Choose this 32 mm bore when an application requires fine-tuning the retract end-point during commissioning or product changeovers, avoiding the need to swap out a fixed-stroke SAI cylinder or bolt on external stops. If your process needs more thrust, stepping up to the 40 mm bore yields 628 N at 0.5 MPa.
Because the 650 mm stroke is relatively long for this bore size, the 12 mm rod should be guided externally to prevent excessive side-loading and premature seal wear. To replace an ISO 15552 cylinder, match the 32 mm bore, 650 mm stroke, 100 mm adjustment, PT G1/8 port, and your required mounting bracket. For load-holding without continuous air pressure, consider an external rod lock or the SAIL/BSAI series instead of relying on this 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 SAIJ32BX650-100 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw lets you shorten the 650 mm nominal stroke by up to 100 mm, providing a usable travel range of 550 to 650 mm. This stopper sets the end position but does not lock or hold the load without continuous air pressure.
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