Airtac SAIJ40 Adjustable Cylinder SAIJ40BX60-40S
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX60-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 60mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ40 mm
- Stroke60 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX60-40S
The AirTAC SAIJ40X60-40-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers 628N of push force at 0.5 MPa and provides a usable travel window of 20 to 60mm, letting you dial in the exact end position without swapping hardware. The PT threaded G1/4 port and M12x1.25 rod thread ensure robust pneumatic connections.
Equipped with a SUS304 stainless steel rod (code B) and an integrated magnet (-S), this unit supports AirTAC CMSE reed and DMSE electronic sensors via the dual-side barrel grooves. The rear stopper acts purely as a travel limit and does not hold the load without live air; for position holding, consider SAIL or BSAI variants.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX60-40S Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX60-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 60 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ40 Adjustable Cylinder SAIJ40BX60-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×60 | 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 SAIJ40 Adjustable Cylinder SAIJ40BX60-40S Is Used
Product Changeovers
Quickly adjust the 20-60mm travel window to accommodate varying package sizes on a packaging line without changing the cylinder.
Machine Setup
Fine-tune the retract end-position during initial commissioning to perfectly align stops without adding external spacers.
Variable End Stops
Use the rear screw to set precise lower-limit positions for light clamping tasks within the 628N thrust capacity.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX60-40S the Right Cylinder?
Choose this 40mm bore when an application requires precise end-position tuning during commissioning or frequent product-size changeovers, stepping up from a 32mm bore (402N push at 0.5MPa) when more thrust is needed. The generous 40mm adjustment range on a 60mm nominal stroke offers exceptional flexibility for short-stroke setups. Because the stroke is under 300mm, external side-load guides are less critical, though the sturdy 16mm SUS304 rod handles standard loads well.
To match this ISO 15552 dimensionally interchangeable cylinder, verify the 60mm stroke, 40mm adjustment, PT port, and -S magnet. Note that SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR. If the machine requires true load holding without continuous air pressure, select a SAIL 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 SAIJ40 Adjustable Cylinder SAIJ40BX60-40S FAQ
At 0.5 MPa, this 40mm bore cylinder provides 628N of push force and 528N of pull force. At 0.7 MPa, the push force increases to 879N.
The rear adjuster allows you to trim the effective travel by up to 40mm, creating a usable stroke window of 20 to 60mm. This stopper limits travel but does not lock the load without live air.
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